Update composer dependencies

68 files changed, 4737 insertions, 0 deletions

diff --git a/vendor/symfony/finder/.gitignore b/vendor/symfony/finder/.gitignore
new file mode 100644
index 00000000..c49a5d8d
--- /dev/null
+++ b/vendor/symfony/finder/.gitignore
@@ -0,0 +1,3 @@
+vendor/
+composer.lock
+phpunit.xml
diff --git a/vendor/symfony/finder/CHANGELOG.md b/vendor/symfony/finder/CHANGELOG.md
new file mode 100644
index 00000000..53c34be8
--- /dev/null
+++ b/vendor/symfony/finder/CHANGELOG.md
@@ -0,0 +1,55 @@
+CHANGELOG
+=========
+
+3.4.0
+-----
+
+ * deprecated `Symfony\Component\Finder\Iterator\FilterIterator`
+ * added Finder::hasResults() method to check if any results were found
+
+3.3.0
+-----
+
+ * added double-star matching to Glob::toRegex()
+
+3.0.0
+-----
+
+ * removed deprecated classes
+
+2.8.0
+-----
+
+ * deprecated adapters and related classes
+
+2.5.0
+-----
+ * added support for GLOB_BRACE in the paths passed to Finder::in()
+
+2.3.0
+-----
+
+ * added a way to ignore unreadable directories (via Finder::ignoreUnreadableDirs())
+ * unified the way subfolders that are not executable are handled by always throwing an AccessDeniedException exception
+
+2.2.0
+-----
+
+ * added Finder::path() and Finder::notPath() methods
+ * added finder adapters to improve performance on specific platforms
+ * added support for wildcard characters (glob patterns) in the paths passed
+   to Finder::in()
+
+2.1.0
+-----
+
+ * added Finder::sortByAccessedTime(), Finder::sortByChangedTime(), and
+   Finder::sortByModifiedTime()
+ * added Countable to Finder
+ * added support for an array of directories as an argument to
+   Finder::exclude()
+ * added searching based on the file content via Finder::contains() and
+   Finder::notContains()
+ * added support for the != operator in the Comparator
+ * [BC BREAK] filter expressions (used for file name and content) are no more
+   considered as regexps but glob patterns when they are enclosed in '*' or '?'
diff --git a/vendor/symfony/finder/Comparator/Comparator.php b/vendor/symfony/finder/Comparator/Comparator.php
new file mode 100644
index 00000000..4f5e1ffe
--- /dev/null
+++ b/vendor/symfony/finder/Comparator/Comparator.php
@@ -0,0 +1,98 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Comparator;
+
+/**
+ * Comparator.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Comparator
+{
+    private $target;
+    private $operator = '==';
+
+    /**
+     * Gets the target value.
+     *
+     * @return string The target value
+     */
+    public function getTarget()
+    {
+        return $this->target;
+    }
+
+    /**
+     * Sets the target value.
+     *
+     * @param string $target The target value
+     */
+    public function setTarget($target)
+    {
+        $this->target = $target;
+    }
+
+    /**
+     * Gets the comparison operator.
+     *
+     * @return string The operator
+     */
+    public function getOperator()
+    {
+        return $this->operator;
+    }
+
+    /**
+     * Sets the comparison operator.
+     *
+     * @param string $operator A valid operator
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function setOperator($operator)
+    {
+        if (!$operator) {
+            $operator = '==';
+        }
+
+        if (!in_array($operator, array('>', '<', '>=', '<=', '==', '!='))) {
+            throw new \InvalidArgumentException(sprintf('Invalid operator "%s".', $operator));
+        }
+
+        $this->operator = $operator;
+    }
+
+    /**
+     * Tests against the target.
+     *
+     * @param mixed $test A test value
+     *
+     * @return bool
+     */
+    public function test($test)
+    {
+        switch ($this->operator) {
+            case '>':
+                return $test > $this->target;
+            case '>=':
+                return $test >= $this->target;
+            case '<':
+                return $test < $this->target;
+            case '<=':
+                return $test <= $this->target;
+            case '!=':
+                return $test != $this->target;
+        }
+
+        return $test == $this->target;
+    }
+}
diff --git a/vendor/symfony/finder/Comparator/DateComparator.php b/vendor/symfony/finder/Comparator/DateComparator.php
new file mode 100644
index 00000000..3de43ef4
--- /dev/null
+++ b/vendor/symfony/finder/Comparator/DateComparator.php
@@ -0,0 +1,51 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Comparator;
+
+/**
+ * DateCompare compiles date comparisons.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class DateComparator extends Comparator
+{
+    /**
+     * @param string $test A comparison string
+     *
+     * @throws \InvalidArgumentException If the test is not understood
+     */
+    public function __construct($test)
+    {
+        if (!preg_match('#^\s*(==|!=|[<>]=?|after|since|before|until)?\s*(.+?)\s*$#i', $test, $matches)) {
+            throw new \InvalidArgumentException(sprintf('Don\'t understand "%s" as a date test.', $test));
+        }
+
+        try {
+            $date = new \DateTime($matches[2]);
+            $target = $date->format('U');
+        } catch (\Exception $e) {
+            throw new \InvalidArgumentException(sprintf('"%s" is not a valid date.', $matches[2]));
+        }
+
+        $operator = isset($matches[1]) ? $matches[1] : '==';
+        if ('since' === $operator || 'after' === $operator) {
+            $operator = '>';
+        }
+
+        if ('until' === $operator || 'before' === $operator) {
+            $operator = '<';
+        }
+
+        $this->setOperator($operator);
+        $this->setTarget($target);
+    }
+}
diff --git a/vendor/symfony/finder/Comparator/NumberComparator.php b/vendor/symfony/finder/Comparator/NumberComparator.php
new file mode 100644
index 00000000..f62c0e57
--- /dev/null
+++ b/vendor/symfony/finder/Comparator/NumberComparator.php
@@ -0,0 +1,79 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Comparator;
+
+/**
+ * NumberComparator compiles a simple comparison to an anonymous
+ * subroutine, which you can call with a value to be tested again.
+ *
+ * Now this would be very pointless, if NumberCompare didn't understand
+ * magnitudes.
+ *
+ * The target value may use magnitudes of kilobytes (k, ki),
+ * megabytes (m, mi), or gigabytes (g, gi).  Those suffixed
+ * with an i use the appropriate 2**n version in accordance with the
+ * IEC standard: http://physics.nist.gov/cuu/Units/binary.html
+ *
+ * Based on the Perl Number::Compare module.
+ *
+ * @author    Fabien Potencier <fabien@symfony.com> PHP port
+ * @author    Richard Clamp <richardc@unixbeard.net> Perl version
+ * @copyright 2004-2005 Fabien Potencier <fabien@symfony.com>
+ * @copyright 2002 Richard Clamp <richardc@unixbeard.net>
+ *
+ * @see http://physics.nist.gov/cuu/Units/binary.html
+ */
+class NumberComparator extends Comparator
+{
+    /**
+     * @param string|int $test A comparison string or an integer
+     *
+     * @throws \InvalidArgumentException If the test is not understood
+     */
+    public function __construct($test)
+    {
+        if (!preg_match('#^\s*(==|!=|[<>]=?)?\s*([0-9\.]+)\s*([kmg]i?)?\s*$#i', $test, $matches)) {
+            throw new \InvalidArgumentException(sprintf('Don\'t understand "%s" as a number test.', $test));
+        }
+
+        $target = $matches[2];
+        if (!is_numeric($target)) {
+            throw new \InvalidArgumentException(sprintf('Invalid number "%s".', $target));
+        }
+        if (isset($matches[3])) {
+            // magnitude
+            switch (strtolower($matches[3])) {
+                case 'k':
+                    $target *= 1000;
+                    break;
+                case 'ki':
+                    $target *= 1024;
+                    break;
+                case 'm':
+                    $target *= 1000000;
+                    break;
+                case 'mi':
+                    $target *= 1024 * 1024;
+                    break;
+                case 'g':
+                    $target *= 1000000000;
+                    break;
+                case 'gi':
+                    $target *= 1024 * 1024 * 1024;
+                    break;
+            }
+        }
+
+        $this->setTarget($target);
+        $this->setOperator(isset($matches[1]) ? $matches[1] : '==');
+    }
+}
diff --git a/vendor/symfony/finder/Exception/AccessDeniedException.php b/vendor/symfony/finder/Exception/AccessDeniedException.php
new file mode 100644
index 00000000..ee195ea8
--- /dev/null
+++ b/vendor/symfony/finder/Exception/AccessDeniedException.php
@@ -0,0 +1,19 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Exception;
+
+/**
+ * @author Jean-François Simon <jeanfrancois.simon@sensiolabs.com>
+ */
+class AccessDeniedException extends \UnexpectedValueException
+{
+}
diff --git a/vendor/symfony/finder/Exception/ExceptionInterface.php b/vendor/symfony/finder/Exception/ExceptionInterface.php
new file mode 100644
index 00000000..161e9686
--- /dev/null
+++ b/vendor/symfony/finder/Exception/ExceptionInterface.php
@@ -0,0 +1,25 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Exception;
+
+/**
+ * @author Jean-François Simon <contact@jfsimon.fr>
+ *
+ * @deprecated since 3.3, to be removed in 4.0.
+ */
+interface ExceptionInterface
+{
+    /**
+     * @return \Symfony\Component\Finder\Adapter\AdapterInterface
+     */
+    public function getAdapter();
+}
diff --git a/vendor/symfony/finder/Finder.php b/vendor/symfony/finder/Finder.php
new file mode 100644
index 00000000..07dce771
--- /dev/null
+++ b/vendor/symfony/finder/Finder.php
@@ -0,0 +1,723 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder;
+
+use Symfony\Component\Finder\Comparator\DateComparator;
+use Symfony\Component\Finder\Comparator\NumberComparator;
+use Symfony\Component\Finder\Iterator\CustomFilterIterator;
+use Symfony\Component\Finder\Iterator\DateRangeFilterIterator;
+use Symfony\Component\Finder\Iterator\DepthRangeFilterIterator;
+use Symfony\Component\Finder\Iterator\ExcludeDirectoryFilterIterator;
+use Symfony\Component\Finder\Iterator\FilecontentFilterIterator;
+use Symfony\Component\Finder\Iterator\FilenameFilterIterator;
+use Symfony\Component\Finder\Iterator\SizeRangeFilterIterator;
+use Symfony\Component\Finder\Iterator\SortableIterator;
+
+/**
+ * Finder allows to build rules to find files and directories.
+ *
+ * It is a thin wrapper around several specialized iterator classes.
+ *
+ * All rules may be invoked several times.
+ *
+ * All methods return the current Finder object to allow easy chaining:
+ *
+ * $finder = Finder::create()->files()->name('*.php')->in(__DIR__);
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class Finder implements \IteratorAggregate, \Countable
+{
+    const IGNORE_VCS_FILES = 1;
+    const IGNORE_DOT_FILES = 2;
+
+    private $mode = 0;
+    private $names = array();
+    private $notNames = array();
+    private $exclude = array();
+    private $filters = array();
+    private $depths = array();
+    private $sizes = array();
+    private $followLinks = false;
+    private $sort = false;
+    private $ignore = 0;
+    private $dirs = array();
+    private $dates = array();
+    private $iterators = array();
+    private $contains = array();
+    private $notContains = array();
+    private $paths = array();
+    private $notPaths = array();
+    private $ignoreUnreadableDirs = false;
+
+    private static $vcsPatterns = array('.svn', '_svn', 'CVS', '_darcs', '.arch-params', '.monotone', '.bzr', '.git', '.hg');
+
+    public function __construct()
+    {
+        $this->ignore = static::IGNORE_VCS_FILES | static::IGNORE_DOT_FILES;
+    }
+
+    /**
+     * Creates a new Finder.
+     *
+     * @return static
+     */
+    public static function create()
+    {
+        return new static();
+    }
+
+    /**
+     * Restricts the matching to directories only.
+     *
+     * @return $this
+     */
+    public function directories()
+    {
+        $this->mode = Iterator\FileTypeFilterIterator::ONLY_DIRECTORIES;
+
+        return $this;
+    }
+
+    /**
+     * Restricts the matching to files only.
+     *
+     * @return $this
+     */
+    public function files()
+    {
+        $this->mode = Iterator\FileTypeFilterIterator::ONLY_FILES;
+
+        return $this;
+    }
+
+    /**
+     * Adds tests for the directory depth.
+     *
+     * Usage:
+     *
+     *   $finder->depth('> 1') // the Finder will start matching at level 1.
+     *   $finder->depth('< 3') // the Finder will descend at most 3 levels of directories below the starting point.
+     *
+     * @param string|int $level The depth level expression
+     *
+     * @return $this
+     *
+     * @see DepthRangeFilterIterator
+     * @see NumberComparator
+     */
+    public function depth($level)
+    {
+        $this->depths[] = new Comparator\NumberComparator($level);
+
+        return $this;
+    }
+
+    /**
+     * Adds tests for file dates (last modified).
+     *
+     * The date must be something that strtotime() is able to parse:
+     *
+     *   $finder->date('since yesterday');
+     *   $finder->date('until 2 days ago');
+     *   $finder->date('> now - 2 hours');
+     *   $finder->date('>= 2005-10-15');
+     *
+     * @param string $date A date range string
+     *
+     * @return $this
+     *
+     * @see strtotime
+     * @see DateRangeFilterIterator
+     * @see DateComparator
+     */
+    public function date($date)
+    {
+        $this->dates[] = new Comparator\DateComparator($date);
+
+        return $this;
+    }
+
+    /**
+     * Adds rules that files must match.
+     *
+     * You can use patterns (delimited with / sign), globs or simple strings.
+     *
+     * $finder->name('*.php')
+     * $finder->name('/\.php$/') // same as above
+     * $finder->name('test.php')
+     *
+     * @param string $pattern A pattern (a regexp, a glob, or a string)
+     *
+     * @return $this
+     *
+     * @see FilenameFilterIterator
+     */
+    public function name($pattern)
+    {
+        $this->names[] = $pattern;
+
+        return $this;
+    }
+
+    /**
+     * Adds rules that files must not match.
+     *
+     * @param string $pattern A pattern (a regexp, a glob, or a string)
+     *
+     * @return $this
+     *
+     * @see FilenameFilterIterator
+     */
+    public function notName($pattern)
+    {
+        $this->notNames[] = $pattern;
+
+        return $this;
+    }
+
+    /**
+     * Adds tests that file contents must match.
+     *
+     * Strings or PCRE patterns can be used:
+     *
+     * $finder->contains('Lorem ipsum')
+     * $finder->contains('/Lorem ipsum/i')
+     *
+     * @param string $pattern A pattern (string or regexp)
+     *
+     * @return $this
+     *
+     * @see FilecontentFilterIterator
+     */
+    public function contains($pattern)
+    {
+        $this->contains[] = $pattern;
+
+        return $this;
+    }
+
+    /**
+     * Adds tests that file contents must not match.
+     *
+     * Strings or PCRE patterns can be used:
+     *
+     * $finder->notContains('Lorem ipsum')
+     * $finder->notContains('/Lorem ipsum/i')
+     *
+     * @param string $pattern A pattern (string or regexp)
+     *
+     * @return $this
+     *
+     * @see FilecontentFilterIterator
+     */
+    public function notContains($pattern)
+    {
+        $this->notContains[] = $pattern;
+
+        return $this;
+    }
+
+    /**
+     * Adds rules that filenames must match.
+     *
+     * You can use patterns (delimited with / sign) or simple strings.
+     *
+     * $finder->path('some/special/dir')
+     * $finder->path('/some\/special\/dir/') // same as above
+     *
+     * Use only / as dirname separator.
+     *
+     * @param string $pattern A pattern (a regexp or a string)
+     *
+     * @return $this
+     *
+     * @see FilenameFilterIterator
+     */
+    public function path($pattern)
+    {
+        $this->paths[] = $pattern;
+
+        return $this;
+    }
+
+    /**
+     * Adds rules that filenames must not match.
+     *
+     * You can use patterns (delimited with / sign) or simple strings.
+     *
+     * $finder->notPath('some/special/dir')
+     * $finder->notPath('/some\/special\/dir/') // same as above
+     *
+     * Use only / as dirname separator.
+     *
+     * @param string $pattern A pattern (a regexp or a string)
+     *
+     * @return $this
+     *
+     * @see FilenameFilterIterator
+     */
+    public function notPath($pattern)
+    {
+        $this->notPaths[] = $pattern;
+
+        return $this;
+    }
+
+    /**
+     * Adds tests for file sizes.
+     *
+     * $finder->size('> 10K');
+     * $finder->size('<= 1Ki');
+     * $finder->size(4);
+     *
+     * @param string|int $size A size range string or an integer
+     *
+     * @return $this
+     *
+     * @see SizeRangeFilterIterator
+     * @see NumberComparator
+     */
+    public function size($size)
+    {
+        $this->sizes[] = new Comparator\NumberComparator($size);
+
+        return $this;
+    }
+
+    /**
+     * Excludes directories.
+     *
+     * @param string|array $dirs A directory path or an array of directories
+     *
+     * @return $this
+     *
+     * @see ExcludeDirectoryFilterIterator
+     */
+    public function exclude($dirs)
+    {
+        $this->exclude = array_merge($this->exclude, (array) $dirs);
+
+        return $this;
+    }
+
+    /**
+     * Excludes "hidden" directories and files (starting with a dot).
+     *
+     * @param bool $ignoreDotFiles Whether to exclude "hidden" files or not
+     *
+     * @return $this
+     *
+     * @see ExcludeDirectoryFilterIterator
+     */
+    public function ignoreDotFiles($ignoreDotFiles)
+    {
+        if ($ignoreDotFiles) {
+            $this->ignore |= static::IGNORE_DOT_FILES;
+        } else {
+            $this->ignore &= ~static::IGNORE_DOT_FILES;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Forces the finder to ignore version control directories.
+     *
+     * @param bool $ignoreVCS Whether to exclude VCS files or not
+     *
+     * @return $this
+     *
+     * @see ExcludeDirectoryFilterIterator
+     */
+    public function ignoreVCS($ignoreVCS)
+    {
+        if ($ignoreVCS) {
+            $this->ignore |= static::IGNORE_VCS_FILES;
+        } else {
+            $this->ignore &= ~static::IGNORE_VCS_FILES;
+        }
+
+        return $this;
+    }
+
+    /**
+     * Adds VCS patterns.
+     *
+     * @see ignoreVCS()
+     *
+     * @param string|string[] $pattern VCS patterns to ignore
+     */
+    public static function addVCSPattern($pattern)
+    {
+        foreach ((array) $pattern as $p) {
+            self::$vcsPatterns[] = $p;
+        }
+
+        self::$vcsPatterns = array_unique(self::$vcsPatterns);
+    }
+
+    /**
+     * Sorts files and directories by an anonymous function.
+     *
+     * The anonymous function receives two \SplFileInfo instances to compare.
+     *
+     * This can be slow as all the matching files and directories must be retrieved for comparison.
+     *
+     * @return $this
+     *
+     * @see SortableIterator
+     */
+    public function sort(\Closure $closure)
+    {
+        $this->sort = $closure;
+
+        return $this;
+    }
+
+    /**
+     * Sorts files and directories by name.
+     *
+     * This can be slow as all the matching files and directories must be retrieved for comparison.
+     *
+     * @return $this
+     *
+     * @see SortableIterator
+     */
+    public function sortByName()
+    {
+        $this->sort = Iterator\SortableIterator::SORT_BY_NAME;
+
+        return $this;
+    }
+
+    /**
+     * Sorts files and directories by type (directories before files), then by name.
+     *
+     * This can be slow as all the matching files and directories must be retrieved for comparison.
+     *
+     * @return $this
+     *
+     * @see SortableIterator
+     */
+    public function sortByType()
+    {
+        $this->sort = Iterator\SortableIterator::SORT_BY_TYPE;
+
+        return $this;
+    }
+
+    /**
+     * Sorts files and directories by the last accessed time.
+     *
+     * This is the time that the file was last accessed, read or written to.
+     *
+     * This can be slow as all the matching files and directories must be retrieved for comparison.
+     *
+     * @return $this
+     *
+     * @see SortableIterator
+     */
+    public function sortByAccessedTime()
+    {
+        $this->sort = Iterator\SortableIterator::SORT_BY_ACCESSED_TIME;
+
+        return $this;
+    }
+
+    /**
+     * Sorts files and directories by the last inode changed time.
+     *
+     * This is the time that the inode information was last modified (permissions, owner, group or other metadata).
+     *
+     * On Windows, since inode is not available, changed time is actually the file creation time.
+     *
+     * This can be slow as all the matching files and directories must be retrieved for comparison.
+     *
+     * @return $this
+     *
+     * @see SortableIterator
+     */
+    public function sortByChangedTime()
+    {
+        $this->sort = Iterator\SortableIterator::SORT_BY_CHANGED_TIME;
+
+        return $this;
+    }
+
+    /**
+     * Sorts files and directories by the last modified time.
+     *
+     * This is the last time the actual contents of the file were last modified.
+     *
+     * This can be slow as all the matching files and directories must be retrieved for comparison.
+     *
+     * @return $this
+     *
+     * @see SortableIterator
+     */
+    public function sortByModifiedTime()
+    {
+        $this->sort = Iterator\SortableIterator::SORT_BY_MODIFIED_TIME;
+
+        return $this;
+    }
+
+    /**
+     * Filters the iterator with an anonymous function.
+     *
+     * The anonymous function receives a \SplFileInfo and must return false
+     * to remove files.
+     *
+     * @return $this
+     *
+     * @see CustomFilterIterator
+     */
+    public function filter(\Closure $closure)
+    {
+        $this->filters[] = $closure;
+
+        return $this;
+    }
+
+    /**
+     * Forces the following of symlinks.
+     *
+     * @return $this
+     */
+    public function followLinks()
+    {
+        $this->followLinks = true;
+
+        return $this;
+    }
+
+    /**
+     * Tells finder to ignore unreadable directories.
+     *
+     * By default, scanning unreadable directories content throws an AccessDeniedException.
+     *
+     * @param bool $ignore
+     *
+     * @return $this
+     */
+    public function ignoreUnreadableDirs($ignore = true)
+    {
+        $this->ignoreUnreadableDirs = (bool) $ignore;
+
+        return $this;
+    }
+
+    /**
+     * Searches files and directories which match defined rules.
+     *
+     * @param string|array $dirs A directory path or an array of directories
+     *
+     * @return $this
+     *
+     * @throws \InvalidArgumentException if one of the directories does not exist
+     */
+    public function in($dirs)
+    {
+        $resolvedDirs = array();
+
+        foreach ((array) $dirs as $dir) {
+            if (is_dir($dir)) {
+                $resolvedDirs[] = $dir;
+            } elseif ($glob = glob($dir, (defined('GLOB_BRACE') ? GLOB_BRACE : 0) | GLOB_ONLYDIR)) {
+                $resolvedDirs = array_merge($resolvedDirs, $glob);
+            } else {
+                throw new \InvalidArgumentException(sprintf('The "%s" directory does not exist.', $dir));
+            }
+        }
+
+        $this->dirs = array_merge($this->dirs, $resolvedDirs);
+
+        return $this;
+    }
+
+    /**
+     * Returns an Iterator for the current Finder configuration.
+     *
+     * This method implements the IteratorAggregate interface.
+     *
+     * @return \Iterator|SplFileInfo[] An iterator
+     *
+     * @throws \LogicException if the in() method has not been called
+     */
+    public function getIterator()
+    {
+        if (0 === count($this->dirs) && 0 === count($this->iterators)) {
+            throw new \LogicException('You must call one of in() or append() methods before iterating over a Finder.');
+        }
+
+        if (1 === count($this->dirs) && 0 === count($this->iterators)) {
+            return $this->searchInDirectory($this->dirs[0]);
+        }
+
+        $iterator = new \AppendIterator();
+        foreach ($this->dirs as $dir) {
+            $iterator->append($this->searchInDirectory($dir));
+        }
+
+        foreach ($this->iterators as $it) {
+            $iterator->append($it);
+        }
+
+        return $iterator;
+    }
+
+    /**
+     * Appends an existing set of files/directories to the finder.
+     *
+     * The set can be another Finder, an Iterator, an IteratorAggregate, or even a plain array.
+     *
+     * @param mixed $iterator
+     *
+     * @return $this
+     *
+     * @throws \InvalidArgumentException when the given argument is not iterable
+     */
+    public function append($iterator)
+    {
+        if ($iterator instanceof \IteratorAggregate) {
+            $this->iterators[] = $iterator->getIterator();
+        } elseif ($iterator instanceof \Iterator) {
+            $this->iterators[] = $iterator;
+        } elseif ($iterator instanceof \Traversable || is_array($iterator)) {
+            $it = new \ArrayIterator();
+            foreach ($iterator as $file) {
+                $it->append($file instanceof \SplFileInfo ? $file : new \SplFileInfo($file));
+            }
+            $this->iterators[] = $it;
+        } else {
+            throw new \InvalidArgumentException('Finder::append() method wrong argument type.');
+        }
+
+        return $this;
+    }
+
+    /**
+     * Check if the any results were found.
+     *
+     * @return bool
+     */
+    public function hasResults()
+    {
+        foreach ($this->getIterator() as $_) {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Counts all the results collected by the iterators.
+     *
+     * @return int
+     */
+    public function count()
+    {
+        return iterator_count($this->getIterator());
+    }
+
+    /**
+     * @param $dir
+     *
+     * @return \Iterator
+     */
+    private function searchInDirectory($dir)
+    {
+        if (static::IGNORE_VCS_FILES === (static::IGNORE_VCS_FILES & $this->ignore)) {
+            $this->exclude = array_merge($this->exclude, self::$vcsPatterns);
+        }
+
+        if (static::IGNORE_DOT_FILES === (static::IGNORE_DOT_FILES & $this->ignore)) {
+            $this->notPaths[] = '#(^|/)\..+(/|$)#';
+        }
+
+        $minDepth = 0;
+        $maxDepth = PHP_INT_MAX;
+
+        foreach ($this->depths as $comparator) {
+            switch ($comparator->getOperator()) {
+                case '>':
+                    $minDepth = $comparator->getTarget() + 1;
+                    break;
+                case '>=':
+                    $minDepth = $comparator->getTarget();
+                    break;
+                case '<':
+                    $maxDepth = $comparator->getTarget() - 1;
+                    break;
+                case '<=':
+                    $maxDepth = $comparator->getTarget();
+                    break;
+                default:
+                    $minDepth = $maxDepth = $comparator->getTarget();
+            }
+        }
+
+        $flags = \RecursiveDirectoryIterator::SKIP_DOTS;
+
+        if ($this->followLinks) {
+            $flags |= \RecursiveDirectoryIterator::FOLLOW_SYMLINKS;
+        }
+
+        $iterator = new Iterator\RecursiveDirectoryIterator($dir, $flags, $this->ignoreUnreadableDirs);
+
+        if ($this->exclude) {
+            $iterator = new Iterator\ExcludeDirectoryFilterIterator($iterator, $this->exclude);
+        }
+
+        $iterator = new \RecursiveIteratorIterator($iterator, \RecursiveIteratorIterator::SELF_FIRST);
+
+        if ($minDepth > 0 || $maxDepth < PHP_INT_MAX) {
+            $iterator = new Iterator\DepthRangeFilterIterator($iterator, $minDepth, $maxDepth);
+        }
+
+        if ($this->mode) {
+            $iterator = new Iterator\FileTypeFilterIterator($iterator, $this->mode);
+        }
+
+        if ($this->names || $this->notNames) {
+            $iterator = new Iterator\FilenameFilterIterator($iterator, $this->names, $this->notNames);
+        }
+
+        if ($this->contains || $this->notContains) {
+            $iterator = new Iterator\FilecontentFilterIterator($iterator, $this->contains, $this->notContains);
+        }
+
+        if ($this->sizes) {
+            $iterator = new Iterator\SizeRangeFilterIterator($iterator, $this->sizes);
+        }
+
+        if ($this->dates) {
+            $iterator = new Iterator\DateRangeFilterIterator($iterator, $this->dates);
+        }
+
+        if ($this->filters) {
+            $iterator = new Iterator\CustomFilterIterator($iterator, $this->filters);
+        }
+
+        if ($this->paths || $this->notPaths) {
+            $iterator = new Iterator\PathFilterIterator($iterator, $this->paths, $this->notPaths);
+        }
+
+        if ($this->sort) {
+            $iteratorAggregate = new Iterator\SortableIterator($iterator, $this->sort);
+            $iterator = $iteratorAggregate->getIterator();
+        }
+
+        return $iterator;
+    }
+}
diff --git a/vendor/symfony/finder/Glob.php b/vendor/symfony/finder/Glob.php
new file mode 100644
index 00000000..df8b86fa
--- /dev/null
+++ b/vendor/symfony/finder/Glob.php
@@ -0,0 +1,116 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder;
+
+/**
+ * Glob matches globbing patterns against text.
+ *
+ *   if match_glob("foo.*", "foo.bar") echo "matched\n";
+ *
+ * // prints foo.bar and foo.baz
+ * $regex = glob_to_regex("foo.*");
+ * for (array('foo.bar', 'foo.baz', 'foo', 'bar') as $t)
+ * {
+ *   if (/$regex/) echo "matched: $car\n";
+ * }
+ *
+ * Glob implements glob(3) style matching that can be used to match
+ * against text, rather than fetching names from a filesystem.
+ *
+ * Based on the Perl Text::Glob module.
+ *
+ * @author Fabien Potencier <fabien@symfony.com> PHP port
+ * @author     Richard Clamp <richardc@unixbeard.net> Perl version
+ * @copyright  2004-2005 Fabien Potencier <fabien@symfony.com>
+ * @copyright  2002 Richard Clamp <richardc@unixbeard.net>
+ */
+class Glob
+{
+    /**
+     * Returns a regexp which is the equivalent of the glob pattern.
+     *
+     * @param string $glob                The glob pattern
+     * @param bool   $strictLeadingDot
+     * @param bool   $strictWildcardSlash
+     * @param string $delimiter           Optional delimiter
+     *
+     * @return string regex The regexp
+     */
+    public static function toRegex($glob, $strictLeadingDot = true, $strictWildcardSlash = true, $delimiter = '#')
+    {
+        $firstByte = true;
+        $escaping = false;
+        $inCurlies = 0;
+        $regex = '';
+        $sizeGlob = strlen($glob);
+        for ($i = 0; $i < $sizeGlob; ++$i) {
+            $car = $glob[$i];
+            if ($firstByte && $strictLeadingDot && '.' !== $car) {
+                $regex .= '(?=[^\.])';
+            }
+
+            $firstByte = '/' === $car;
+
+            if ($firstByte && $strictWildcardSlash && isset($glob[$i + 2]) && '**' === $glob[$i + 1].$glob[$i + 2] && (!isset($glob[$i + 3]) || '/' === $glob[$i + 3])) {
+                $car = '[^/]++/';
+                if (!isset($glob[$i + 3])) {
+                    $car .= '?';
+                }
+
+                if ($strictLeadingDot) {
+                    $car = '(?=[^\.])'.$car;
+                }
+
+                $car = '/(?:'.$car.')*';
+                $i += 2 + isset($glob[$i + 3]);
+
+                if ('/' === $delimiter) {
+                    $car = str_replace('/', '\\/', $car);
+                }
+            }
+
+            if ($delimiter === $car || '.' === $car || '(' === $car || ')' === $car || '|' === $car || '+' === $car || '^' === $car || '$' === $car) {
+                $regex .= "\\$car";
+            } elseif ('*' === $car) {
+                $regex .= $escaping ? '\\*' : ($strictWildcardSlash ? '[^/]*' : '.*');
+            } elseif ('?' === $car) {
+                $regex .= $escaping ? '\\?' : ($strictWildcardSlash ? '[^/]' : '.');
+            } elseif ('{' === $car) {
+                $regex .= $escaping ? '\\{' : '(';
+                if (!$escaping) {
+                    ++$inCurlies;
+                }
+            } elseif ('}' === $car && $inCurlies) {
+                $regex .= $escaping ? '}' : ')';
+                if (!$escaping) {
+                    --$inCurlies;
+                }
+            } elseif (',' === $car && $inCurlies) {
+                $regex .= $escaping ? ',' : '|';
+            } elseif ('\\' === $car) {
+                if ($escaping) {
+                    $regex .= '\\\\';
+                    $escaping = false;
+                } else {
+                    $escaping = true;
+                }
+
+                continue;
+            } else {
+                $regex .= $car;
+            }
+            $escaping = false;
+        }
+
+        return $delimiter.'^'.$regex.'$'.$delimiter;
+    }
+}
diff --git a/vendor/symfony/finder/Iterator/CustomFilterIterator.php b/vendor/symfony/finder/Iterator/CustomFilterIterator.php
new file mode 100644
index 00000000..399b6a97
--- /dev/null
+++ b/vendor/symfony/finder/Iterator/CustomFilterIterator.php
@@ -0,0 +1,61 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Iterator;
+
+/**
+ * CustomFilterIterator filters files by applying anonymous functions.
+ *
+ * The anonymous function receives a \SplFileInfo and must return false
+ * to remove files.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class CustomFilterIterator extends FilterIterator
+{
+    private $filters = array();
+
+    /**
+     * @param \Iterator  $iterator The Iterator to filter
+     * @param callable[] $filters  An array of PHP callbacks
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function __construct(\Iterator $iterator, array $filters)
+    {
+        foreach ($filters as $filter) {
+            if (!is_callable($filter)) {
+                throw new \InvalidArgumentException('Invalid PHP callback.');
+            }
+        }
+        $this->filters = $filters;
+
+        parent::__construct($iterator);
+    }
+
+    /**
+     * Filters the iterator values.
+     *
+     * @return bool true if the value should be kept, false otherwise
+     */
+    public function accept()
+    {
+        $fileinfo = $this->current();
+
+        foreach ($this->filters as $filter) {
+            if (false === call_user_func($filter, $fileinfo)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}
diff --git a/vendor/symfony/finder/Iterator/DateRangeFilterIterator.php b/vendor/symfony/finder/Iterator/DateRangeFilterIterator.php
new file mode 100644
index 00000000..b01e5e3f
--- /dev/null
+++ b/vendor/symfony/finder/Iterator/DateRangeFilterIterator.php
@@ -0,0 +1,58 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Iterator;
+
+use Symfony\Component\Finder\Comparator\DateComparator;
+
+/**
+ * DateRangeFilterIterator filters out files that are not in the given date range (last modified dates).
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class DateRangeFilterIterator extends FilterIterator
+{
+    private $comparators = array();
+
+    /**
+     * @param \Iterator        $iterator    The Iterator to filter
+     * @param DateComparator[] $comparators An array of DateComparator instances
+     */
+    public function __construct(\Iterator $iterator, array $comparators)
+    {
+        $this->comparators = $comparators;
+
+        parent::__construct($iterator);
+    }
+
+    /**
+     * Filters the iterator values.
+     *
+     * @return bool true if the value should be kept, false otherwise
+     */
+    public function accept()
+    {
+        $fileinfo = $this->current();
+
+        if (!file_exists($fileinfo->getPathname())) {
+            return false;
+        }
+
+        $filedate = $fileinfo->getMTime();
+        foreach ($this->comparators as $compare) {
+            if (!$compare->test($filedate)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}
diff --git a/vendor/symfony/finder/Iterator/DepthRangeFilterIterator.php b/vendor/symfony/finder/Iterator/DepthRangeFilterIterator.php
new file mode 100644
index 00000000..ce9d3aa7
--- /dev/null
+++ b/vendor/symfony/finder/Iterator/DepthRangeFilterIterator.php
@@ -0,0 +1,45 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Iterator;
+
+/**
+ * DepthRangeFilterIterator limits the directory depth.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class DepthRangeFilterIterator extends FilterIterator
+{
+    private $minDepth = 0;
+
+    /**
+     * @param \RecursiveIteratorIterator $iterator The Iterator to filter
+     * @param int                        $minDepth The min depth
+     * @param int                        $maxDepth The max depth
+     */
+    public function __construct(\RecursiveIteratorIterator $iterator, $minDepth = 0, $maxDepth = PHP_INT_MAX)
+    {
+        $this->minDepth = $minDepth;
+        $iterator->setMaxDepth(PHP_INT_MAX === $maxDepth ? -1 : $maxDepth);
+
+        parent::__construct($iterator);
+    }
+
+    /**
+     * Filters the iterator values.
+     *
+     * @return bool true if the value should be kept, false otherwise
+     */
+    public function accept()
+    {
+        return $this->getInnerIterator()->getDepth() >= $this->minDepth;
+    }
+}
diff --git a/vendor/symfony/finder/Iterator/ExcludeDirectoryFilterIterator.php b/vendor/symfony/finder/Iterator/ExcludeDirectoryFilterIterator.php
new file mode 100644
index 00000000..c57128c2
--- /dev/null
+++ b/vendor/symfony/finder/Iterator/ExcludeDirectoryFilterIterator.php
@@ -0,0 +1,84 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Iterator;
+
+/**
+ * ExcludeDirectoryFilterIterator filters out directories.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class ExcludeDirectoryFilterIterator extends FilterIterator implements \RecursiveIterator
+{
+    private $iterator;
+    private $isRecursive;
+    private $excludedDirs = array();
+    private $excludedPattern;
+
+    /**
+     * @param \Iterator $iterator    The Iterator to filter
+     * @param array     $directories An array of directories to exclude
+     */
+    public function __construct(\Iterator $iterator, array $directories)
+    {
+        $this->iterator = $iterator;
+        $this->isRecursive = $iterator instanceof \RecursiveIterator;
+        $patterns = array();
+        foreach ($directories as $directory) {
+            $directory = rtrim($directory, '/');
+            if (!$this->isRecursive || false !== strpos($directory, '/')) {
+                $patterns[] = preg_quote($directory, '#');
+            } else {
+                $this->excludedDirs[$directory] = true;
+            }
+        }
+        if ($patterns) {
+            $this->excludedPattern = '#(?:^|/)(?:'.implode('|', $patterns).')(?:/|$)#';
+        }
+
+        parent::__construct($iterator);
+    }
+
+    /**
+     * Filters the iterator values.
+     *
+     * @return bool True if the value should be kept, false otherwise
+     */
+    public function accept()
+    {
+        if ($this->isRecursive && isset($this->excludedDirs[$this->getFilename()]) && $this->isDir()) {
+            return false;
+        }
+
+        if ($this->excludedPattern) {
+            $path = $this->isDir() ? $this->current()->getRelativePathname() : $this->current()->getRelativePath();
+            $path = str_replace('\\', '/', $path);
+
+            return !preg_match($this->excludedPattern, $path);
+        }
+
+        return true;
+    }
+
+    public function hasChildren()
+    {
+        return $this->isRecursive && $this->iterator->hasChildren();
+    }
+
+    public function getChildren()
+    {
+        $children = new self($this->iterator->getChildren(), array());
+        $children->excludedDirs = $this->excludedDirs;
+        $children->excludedPattern = $this->excludedPattern;
+
+        return $children;
+    }
+}
diff --git a/vendor/symfony/finder/Iterator/FileTypeFilterIterator.php b/vendor/symfony/finder/Iterator/FileTypeFilterIterator.php
new file mode 100644
index 00000000..e9811d4a
--- /dev/null
+++ b/vendor/symfony/finder/Iterator/FileTypeFilterIterator.php
@@ -0,0 +1,53 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Iterator;
+
+/**
+ * FileTypeFilterIterator only keeps files, directories, or both.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class FileTypeFilterIterator extends FilterIterator
+{
+    const ONLY_FILES = 1;
+    const ONLY_DIRECTORIES = 2;
+
+    private $mode;
+
+    /**
+     * @param \Iterator $iterator The Iterator to filter
+     * @param int       $mode     The mode (self::ONLY_FILES or self::ONLY_DIRECTORIES)
+     */
+    public function __construct(\Iterator $iterator, $mode)
+    {
+        $this->mode = $mode;
+
+        parent::__construct($iterator);
+    }
+
+    /**
+     * Filters the iterator values.
+     *
+     * @return bool true if the value should be kept, false otherwise
+     */
+    public function accept()
+    {
+        $fileinfo = $this->current();
+        if (self::ONLY_DIRECTORIES === (self::ONLY_DIRECTORIES & $this->mode) && $fileinfo->isFile()) {
+            return false;
+        } elseif (self::ONLY_FILES === (self::ONLY_FILES & $this->mode) && $fileinfo->isDir()) {
+            return false;
+        }
+
+        return true;
+    }
+}
diff --git a/vendor/symfony/finder/Iterator/FilecontentFilterIterator.php b/vendor/symfony/finder/Iterator/FilecontentFilterIterator.php
new file mode 100644
index 00000000..81594b87
--- /dev/null
+++ b/vendor/symfony/finder/Iterator/FilecontentFilterIterator.php
@@ -0,0 +1,58 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Iterator;
+
+/**
+ * FilecontentFilterIterator filters files by their contents using patterns (regexps or strings).
+ *
+ * @author Fabien Potencier  <fabien@symfony.com>
+ * @author Włodzimierz Gajda <gajdaw@gajdaw.pl>
+ */
+class FilecontentFilterIterator extends MultiplePcreFilterIterator
+{
+    /**
+     * Filters the iterator values.
+     *
+     * @return bool true if the value should be kept, false otherwise
+     */
+    public function accept()
+    {
+        if (!$this->matchRegexps && !$this->noMatchRegexps) {
+            return true;
+        }
+
+        $fileinfo = $this->current();
+
+        if ($fileinfo->isDir() || !$fileinfo->isReadable()) {
+            return false;
+        }
+
+        $content = $fileinfo->getContents();
+        if (!$content) {
+            return false;
+        }
+
+        return $this->isAccepted($content);
+    }
+
+    /**
+     * Converts string to regexp if necessary.
+     *
+     * @param string $str Pattern: string or regexp
+     *
+     * @return string regexp corresponding to a given string or regexp
+     */
+    protected function toRegex($str)
+    {
+        return $this->isRegex($str) ? $str : '/'.preg_quote($str, '/').'/';
+    }
+}
diff --git a/vendor/symfony/finder/Iterator/FilenameFilterIterator.php b/vendor/symfony/finder/Iterator/FilenameFilterIterator.php
new file mode 100644
index 00000000..e168cd8f
--- /dev/null
+++ b/vendor/symfony/finder/Iterator/FilenameFilterIterator.php
@@ -0,0 +1,47 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Iterator;
+
+use Symfony\Component\Finder\Glob;
+
+/**
+ * FilenameFilterIterator filters files by patterns (a regexp, a glob, or a string).
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class FilenameFilterIterator extends MultiplePcreFilterIterator
+{
+    /**
+     * Filters the iterator values.
+     *
+     * @return bool true if the value should be kept, false otherwise
+     */
+    public function accept()
+    {
+        return $this->isAccepted($this->current()->getFilename());
+    }
+
+    /**
+     * Converts glob to regexp.
+     *
+     * PCRE patterns are left unchanged.
+     * Glob strings are transformed with Glob::toRegex().
+     *
+     * @param string $str Pattern: glob or regexp
+     *
+     * @return string regexp corresponding to a given glob or regexp
+     */
+    protected function toRegex($str)
+    {
+        return $this->isRegex($str) ? $str : Glob::toRegex($str);
+    }
+}
diff --git a/vendor/symfony/finder/Iterator/FilterIterator.php b/vendor/symfony/finder/Iterator/FilterIterator.php
new file mode 100644
index 00000000..c16dd8fa
--- /dev/null
+++ b/vendor/symfony/finder/Iterator/FilterIterator.php
@@ -0,0 +1,60 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Iterator;
+
+/**
+ * This iterator just overrides the rewind method in order to correct a PHP bug,
+ * which existed before version 5.5.23/5.6.7.
+ *
+ * @see https://bugs.php.net/68557
+ *
+ * @author Alex Bogomazov
+ *
+ * @deprecated since 3.4, to be removed in 4.0.
+ */
+abstract class FilterIterator extends \FilterIterator
+{
+    /**
+     * This is a workaround for the problem with \FilterIterator leaving inner \FilesystemIterator in wrong state after
+     * rewind in some cases.
+     *
+     * @see FilterIterator::rewind()
+     */
+    public function rewind()
+    {
+        if (\PHP_VERSION_ID > 50607 || (\PHP_VERSION_ID > 50523 && \PHP_VERSION_ID < 50600)) {
+            parent::rewind();
+
+            return;
+        }
+
+        $iterator = $this;
+        while ($iterator instanceof \OuterIterator) {
+            $innerIterator = $iterator->getInnerIterator();
+
+            if ($innerIterator instanceof RecursiveDirectoryIterator) {
+                // this condition is necessary for iterators to work properly with non-local filesystems like ftp
+                if ($innerIterator->isRewindable()) {
+                    $innerIterator->next();
+                    $innerIterator->rewind();
+                }
+            } elseif ($innerIterator instanceof \FilesystemIterator) {
+                $innerIterator->next();
+                $innerIterator->rewind();
+            }
+
+            $iterator = $innerIterator;
+        }
+
+        parent::rewind();
+    }
+}
diff --git a/vendor/symfony/finder/Iterator/MultiplePcreFilterIterator.php b/vendor/symfony/finder/Iterator/MultiplePcreFilterIterator.php
new file mode 100644
index 00000000..fc885404
--- /dev/null
+++ b/vendor/symfony/finder/Iterator/MultiplePcreFilterIterator.php
@@ -0,0 +1,112 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Iterator;
+
+/**
+ * MultiplePcreFilterIterator filters files using patterns (regexps, globs or strings).
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+abstract class MultiplePcreFilterIterator extends FilterIterator
+{
+    protected $matchRegexps = array();
+    protected $noMatchRegexps = array();
+
+    /**
+     * @param \Iterator $iterator        The Iterator to filter
+     * @param array     $matchPatterns   An array of patterns that need to match
+     * @param array     $noMatchPatterns An array of patterns that need to not match
+     */
+    public function __construct(\Iterator $iterator, array $matchPatterns, array $noMatchPatterns)
+    {
+        foreach ($matchPatterns as $pattern) {
+            $this->matchRegexps[] = $this->toRegex($pattern);
+        }
+
+        foreach ($noMatchPatterns as $pattern) {
+            $this->noMatchRegexps[] = $this->toRegex($pattern);
+        }
+
+        parent::__construct($iterator);
+    }
+
+    /**
+     * Checks whether the string is accepted by the regex filters.
+     *
+     * If there is no regexps defined in the class, this method will accept the string.
+     * Such case can be handled by child classes before calling the method if they want to
+     * apply a different behavior.
+     *
+     * @param string $string The string to be matched against filters
+     *
+     * @return bool
+     */
+    protected function isAccepted($string)
+    {
+        // should at least not match one rule to exclude
+        foreach ($this->noMatchRegexps as $regex) {
+            if (preg_match($regex, $string)) {
+                return false;
+            }
+        }
+
+        // should at least match one rule
+        if ($this->matchRegexps) {
+            foreach ($this->matchRegexps as $regex) {
+                if (preg_match($regex, $string)) {
+                    return true;
+                }
+            }
+
+            return false;
+        }
+
+        // If there is no match rules, the file is accepted
+        return true;
+    }
+
+    /**
+     * Checks whether the string is a regex.
+     *
+     * @param string $str
+     *
+     * @return bool Whether the given string is a regex
+     */
+    protected function isRegex($str)
+    {
+        if (preg_match('/^(.{3,}?)[imsxuADU]*$/', $str, $m)) {
+            $start = substr($m[1], 0, 1);
+            $end = substr($m[1], -1);
+
+            if ($start === $end) {
+                return !preg_match('/[*?[:alnum:] \\\\]/', $start);
+            }
+
+            foreach (array(array('{', '}'), array('(', ')'), array('[', ']'), array('<', '>')) as $delimiters) {
+                if ($start === $delimiters[0] && $end === $delimiters[1]) {
+                    return true;
+                }
+            }
+        }
+
+        return false;
+    }
+
+    /**
+     * Converts string into regexp.
+     *
+     * @param string $str Pattern
+     *
+     * @return string regexp corresponding to a given string
+     */
+    abstract protected function toRegex($str);
+}
diff --git a/vendor/symfony/finder/Iterator/PathFilterIterator.php b/vendor/symfony/finder/Iterator/PathFilterIterator.php
new file mode 100644
index 00000000..dadfc8ed
--- /dev/null
+++ b/vendor/symfony/finder/Iterator/PathFilterIterator.php
@@ -0,0 +1,56 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Iterator;
+
+/**
+ * PathFilterIterator filters files by path patterns (e.g. some/special/dir).
+ *
+ * @author Fabien Potencier  <fabien@symfony.com>
+ * @author Włodzimierz Gajda <gajdaw@gajdaw.pl>
+ */
+class PathFilterIterator extends MultiplePcreFilterIterator
+{
+    /**
+     * Filters the iterator values.
+     *
+     * @return bool true if the value should be kept, false otherwise
+     */
+    public function accept()
+    {
+        $filename = $this->current()->getRelativePathname();
+
+        if ('\\' === DIRECTORY_SEPARATOR) {
+            $filename = str_replace('\\', '/', $filename);
+        }
+
+        return $this->isAccepted($filename);
+    }
+
+    /**
+     * Converts strings to regexp.
+     *
+     * PCRE patterns are left unchanged.
+     *
+     * Default conversion:
+     *     'lorem/ipsum/dolor' ==>  'lorem\/ipsum\/dolor/'
+     *
+     * Use only / as directory separator (on Windows also).
+     *
+     * @param string $str Pattern: regexp or dirname
+     *
+     * @return string regexp corresponding to a given string or regexp
+     */
+    protected function toRegex($str)
+    {
+        return $this->isRegex($str) ? $str : '/'.preg_quote($str, '/').'/';
+    }
+}
diff --git a/vendor/symfony/finder/Iterator/RecursiveDirectoryIterator.php b/vendor/symfony/finder/Iterator/RecursiveDirectoryIterator.php
new file mode 100644
index 00000000..c1c0e2f1
--- /dev/null
+++ b/vendor/symfony/finder/Iterator/RecursiveDirectoryIterator.php
@@ -0,0 +1,154 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Iterator;
+
+use Symfony\Component\Finder\Exception\AccessDeniedException;
+use Symfony\Component\Finder\SplFileInfo;
+
+/**
+ * Extends the \RecursiveDirectoryIterator to support relative paths.
+ *
+ * @author Victor Berchet <victor@suumit.com>
+ */
+class RecursiveDirectoryIterator extends \RecursiveDirectoryIterator
+{
+    /**
+     * @var bool
+     */
+    private $ignoreUnreadableDirs;
+
+    /**
+     * @var bool
+     */
+    private $rewindable;
+
+    // these 3 properties take part of the performance optimization to avoid redoing the same work in all iterations
+    private $rootPath;
+    private $subPath;
+    private $directorySeparator = '/';
+
+    /**
+     * @param string $path
+     * @param int    $flags
+     * @param bool   $ignoreUnreadableDirs
+     *
+     * @throws \RuntimeException
+     */
+    public function __construct($path, $flags, $ignoreUnreadableDirs = false)
+    {
+        if ($flags & (self::CURRENT_AS_PATHNAME | self::CURRENT_AS_SELF)) {
+            throw new \RuntimeException('This iterator only support returning current as fileinfo.');
+        }
+
+        parent::__construct($path, $flags);
+        $this->ignoreUnreadableDirs = $ignoreUnreadableDirs;
+        $this->rootPath = $path;
+        if ('/' !== DIRECTORY_SEPARATOR && !($flags & self::UNIX_PATHS)) {
+            $this->directorySeparator = DIRECTORY_SEPARATOR;
+        }
+    }
+
+    /**
+     * Return an instance of SplFileInfo with support for relative paths.
+     *
+     * @return SplFileInfo File information
+     */
+    public function current()
+    {
+        // the logic here avoids redoing the same work in all iterations
+
+        if (null === $subPathname = $this->subPath) {
+            $subPathname = $this->subPath = (string) $this->getSubPath();
+        }
+        if ('' !== $subPathname) {
+            $subPathname .= $this->directorySeparator;
+        }
+        $subPathname .= $this->getFilename();
+
+        return new SplFileInfo($this->rootPath.$this->directorySeparator.$subPathname, $this->subPath, $subPathname);
+    }
+
+    /**
+     * @return \RecursiveIterator
+     *
+     * @throws AccessDeniedException
+     */
+    public function getChildren()
+    {
+        try {
+            $children = parent::getChildren();
+
+            if ($children instanceof self) {
+                // parent method will call the constructor with default arguments, so unreadable dirs won't be ignored anymore
+                $children->ignoreUnreadableDirs = $this->ignoreUnreadableDirs;
+
+                // performance optimization to avoid redoing the same work in all children
+                $children->rewindable = &$this->rewindable;
+                $children->rootPath = $this->rootPath;
+            }
+
+            return $children;
+        } catch (\UnexpectedValueException $e) {
+            if ($this->ignoreUnreadableDirs) {
+                // If directory is unreadable and finder is set to ignore it, a fake empty content is returned.
+                return new \RecursiveArrayIterator(array());
+            } else {
+                throw new AccessDeniedException($e->getMessage(), $e->getCode(), $e);
+            }
+        }
+    }
+
+    /**
+     * Do nothing for non rewindable stream.
+     */
+    public function rewind()
+    {
+        if (false === $this->isRewindable()) {
+            return;
+        }
+
+        // @see https://bugs.php.net/68557
+        if (\PHP_VERSION_ID < 50523 || \PHP_VERSION_ID >= 50600 && \PHP_VERSION_ID < 50607) {
+            parent::next();
+        }
+
+        parent::rewind();
+    }
+
+    /**
+     * Checks if the stream is rewindable.
+     *
+     * @return bool true when the stream is rewindable, false otherwise
+     */
+    public function isRewindable()
+    {
+        if (null !== $this->rewindable) {
+            return $this->rewindable;
+        }
+
+        // workaround for an HHVM bug, should be removed when https://github.com/facebook/hhvm/issues/7281 is fixed
+        if ('' === $this->getPath()) {
+            return $this->rewindable = false;
+        }
+
+        if (false !== $stream = @opendir($this->getPath())) {
+            $infos = stream_get_meta_data($stream);
+            closedir($stream);
+
+            if ($infos['seekable']) {
+                return $this->rewindable = true;
+            }
+        }
+
+        return $this->rewindable = false;
+    }
+}
diff --git a/vendor/symfony/finder/Iterator/SizeRangeFilterIterator.php b/vendor/symfony/finder/Iterator/SizeRangeFilterIterator.php
new file mode 100644
index 00000000..bd1a7fb7
--- /dev/null
+++ b/vendor/symfony/finder/Iterator/SizeRangeFilterIterator.php
@@ -0,0 +1,57 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Iterator;
+
+use Symfony\Component\Finder\Comparator\NumberComparator;
+
+/**
+ * SizeRangeFilterIterator filters out files that are not in the given size range.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class SizeRangeFilterIterator extends FilterIterator
+{
+    private $comparators = array();
+
+    /**
+     * @param \Iterator          $iterator    The Iterator to filter
+     * @param NumberComparator[] $comparators An array of NumberComparator instances
+     */
+    public function __construct(\Iterator $iterator, array $comparators)
+    {
+        $this->comparators = $comparators;
+
+        parent::__construct($iterator);
+    }
+
+    /**
+     * Filters the iterator values.
+     *
+     * @return bool true if the value should be kept, false otherwise
+     */
+    public function accept()
+    {
+        $fileinfo = $this->current();
+        if (!$fileinfo->isFile()) {
+            return true;
+        }
+
+        $filesize = $fileinfo->getSize();
+        foreach ($this->comparators as $compare) {
+            if (!$compare->test($filesize)) {
+                return false;
+            }
+        }
+
+        return true;
+    }
+}
diff --git a/vendor/symfony/finder/Iterator/SortableIterator.php b/vendor/symfony/finder/Iterator/SortableIterator.php
new file mode 100644
index 00000000..c2f54b93
--- /dev/null
+++ b/vendor/symfony/finder/Iterator/SortableIterator.php
@@ -0,0 +1,80 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Iterator;
+
+/**
+ * SortableIterator applies a sort on a given Iterator.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class SortableIterator implements \IteratorAggregate
+{
+    const SORT_BY_NAME = 1;
+    const SORT_BY_TYPE = 2;
+    const SORT_BY_ACCESSED_TIME = 3;
+    const SORT_BY_CHANGED_TIME = 4;
+    const SORT_BY_MODIFIED_TIME = 5;
+
+    private $iterator;
+    private $sort;
+
+    /**
+     * @param \Traversable $iterator The Iterator to filter
+     * @param int|callable $sort     The sort type (SORT_BY_NAME, SORT_BY_TYPE, or a PHP callback)
+     *
+     * @throws \InvalidArgumentException
+     */
+    public function __construct(\Traversable $iterator, $sort)
+    {
+        $this->iterator = $iterator;
+
+        if (self::SORT_BY_NAME === $sort) {
+            $this->sort = function ($a, $b) {
+                return strcmp($a->getRealpath() ?: $a->getPathname(), $b->getRealpath() ?: $b->getPathname());
+            };
+        } elseif (self::SORT_BY_TYPE === $sort) {
+            $this->sort = function ($a, $b) {
+                if ($a->isDir() && $b->isFile()) {
+                    return -1;
+                } elseif ($a->isFile() && $b->isDir()) {
+                    return 1;
+                }
+
+                return strcmp($a->getRealpath() ?: $a->getPathname(), $b->getRealpath() ?: $b->getPathname());
+            };
+        } elseif (self::SORT_BY_ACCESSED_TIME === $sort) {
+            $this->sort = function ($a, $b) {
+                return $a->getATime() - $b->getATime();
+            };
+        } elseif (self::SORT_BY_CHANGED_TIME === $sort) {
+            $this->sort = function ($a, $b) {
+                return $a->getCTime() - $b->getCTime();
+            };
+        } elseif (self::SORT_BY_MODIFIED_TIME === $sort) {
+            $this->sort = function ($a, $b) {
+                return $a->getMTime() - $b->getMTime();
+            };
+        } elseif (is_callable($sort)) {
+            $this->sort = $sort;
+        } else {
+            throw new \InvalidArgumentException('The SortableIterator takes a PHP callable or a valid built-in sort algorithm as an argument.');
+        }
+    }
+
+    public function getIterator()
+    {
+        $array = iterator_to_array($this->iterator, true);
+        uasort($array, $this->sort);
+
+        return new \ArrayIterator($array);
+    }
+}
diff --git a/vendor/symfony/finder/LICENSE b/vendor/symfony/finder/LICENSE
new file mode 100644
index 00000000..17d16a13
--- /dev/null
+++ b/vendor/symfony/finder/LICENSE
@@ -0,0 +1,19 @@
+Copyright (c) 2004-2017 Fabien Potencier
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is furnished
+to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
diff --git a/vendor/symfony/finder/README.md b/vendor/symfony/finder/README.md
new file mode 100644
index 00000000..0b19c752
--- /dev/null
+++ b/vendor/symfony/finder/README.md
@@ -0,0 +1,14 @@
+Finder Component
+================
+
+The Finder component finds files and directories via an intuitive fluent
+interface.
+
+Resources
+---------
+
+  * [Documentation](https://symfony.com/doc/current/components/finder.html)
+  * [Contributing](https://symfony.com/doc/current/contributing/index.html)
+  * [Report issues](https://github.com/symfony/symfony/issues) and
+    [send Pull Requests](https://github.com/symfony/symfony/pulls)
+    in the [main Symfony repository](https://github.com/symfony/symfony)
diff --git a/vendor/symfony/finder/SplFileInfo.php b/vendor/symfony/finder/SplFileInfo.php
new file mode 100644
index 00000000..19f95e26
--- /dev/null
+++ b/vendor/symfony/finder/SplFileInfo.php
@@ -0,0 +1,79 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder;
+
+/**
+ * Extends \SplFileInfo to support relative paths.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ */
+class SplFileInfo extends \SplFileInfo
+{
+    private $relativePath;
+    private $relativePathname;
+
+    /**
+     * @param string $file             The file name
+     * @param string $relativePath     The relative path
+     * @param string $relativePathname The relative path name
+     */
+    public function __construct($file, $relativePath, $relativePathname)
+    {
+        parent::__construct($file);
+        $this->relativePath = $relativePath;
+        $this->relativePathname = $relativePathname;
+    }
+
+    /**
+     * Returns the relative path.
+     *
+     * This path does not contain the file name.
+     *
+     * @return string the relative path
+     */
+    public function getRelativePath()
+    {
+        return $this->relativePath;
+    }
+
+    /**
+     * Returns the relative path name.
+     *
+     * This path contains the file name.
+     *
+     * @return string the relative path name
+     */
+    public function getRelativePathname()
+    {
+        return $this->relativePathname;
+    }
+
+    /**
+     * Returns the contents of the file.
+     *
+     * @return string the contents of the file
+     *
+     * @throws \RuntimeException
+     */
+    public function getContents()
+    {
+        $level = error_reporting(0);
+        $content = file_get_contents($this->getPathname());
+        error_reporting($level);
+        if (false === $content) {
+            $error = error_get_last();
+            throw new \RuntimeException($error['message']);
+        }
+
+        return $content;
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Comparator/ComparatorTest.php b/vendor/symfony/finder/Tests/Comparator/ComparatorTest.php
new file mode 100644
index 00000000..656fc57a
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Comparator/ComparatorTest.php
@@ -0,0 +1,65 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Comparator;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Finder\Comparator\Comparator;
+
+class ComparatorTest extends TestCase
+{
+    public function testGetSetOperator()
+    {
+        $comparator = new Comparator();
+        try {
+            $comparator->setOperator('foo');
+            $this->fail('->setOperator() throws an \InvalidArgumentException if the operator is not valid.');
+        } catch (\Exception $e) {
+            $this->assertInstanceOf('InvalidArgumentException', $e, '->setOperator() throws an \InvalidArgumentException if the operator is not valid.');
+        }
+
+        $comparator = new Comparator();
+        $comparator->setOperator('>');
+        $this->assertEquals('>', $comparator->getOperator(), '->getOperator() returns the current operator');
+    }
+
+    public function testGetSetTarget()
+    {
+        $comparator = new Comparator();
+        $comparator->setTarget(8);
+        $this->assertEquals(8, $comparator->getTarget(), '->getTarget() returns the target');
+    }
+
+    /**
+     * @dataProvider getTestData
+     */
+    public function testTest($operator, $target, $match, $noMatch)
+    {
+        $c = new Comparator();
+        $c->setOperator($operator);
+        $c->setTarget($target);
+
+        foreach ($match as $m) {
+            $this->assertTrue($c->test($m), '->test() tests a string against the expression');
+        }
+
+        foreach ($noMatch as $m) {
+            $this->assertFalse($c->test($m), '->test() tests a string against the expression');
+        }
+    }
+
+    public function getTestData()
+    {
+        return array(
+            array('<', '1000', array('500', '999'), array('1000', '1500')),
+        );
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Comparator/DateComparatorTest.php b/vendor/symfony/finder/Tests/Comparator/DateComparatorTest.php
new file mode 100644
index 00000000..8a6c1ddf
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Comparator/DateComparatorTest.php
@@ -0,0 +1,64 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Comparator;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Finder\Comparator\DateComparator;
+
+class DateComparatorTest extends TestCase
+{
+    public function testConstructor()
+    {
+        try {
+            new DateComparator('foobar');
+            $this->fail('__construct() throws an \InvalidArgumentException if the test expression is not valid.');
+        } catch (\Exception $e) {
+            $this->assertInstanceOf('InvalidArgumentException', $e, '__construct() throws an \InvalidArgumentException if the test expression is not valid.');
+        }
+
+        try {
+            new DateComparator('');
+            $this->fail('__construct() throws an \InvalidArgumentException if the test expression is not valid.');
+        } catch (\Exception $e) {
+            $this->assertInstanceOf('InvalidArgumentException', $e, '__construct() throws an \InvalidArgumentException if the test expression is not valid.');
+        }
+    }
+
+    /**
+     * @dataProvider getTestData
+     */
+    public function testTest($test, $match, $noMatch)
+    {
+        $c = new DateComparator($test);
+
+        foreach ($match as $m) {
+            $this->assertTrue($c->test($m), '->test() tests a string against the expression');
+        }
+
+        foreach ($noMatch as $m) {
+            $this->assertFalse($c->test($m), '->test() tests a string against the expression');
+        }
+    }
+
+    public function getTestData()
+    {
+        return array(
+            array('< 2005-10-10', array(strtotime('2005-10-09')), array(strtotime('2005-10-15'))),
+            array('until 2005-10-10', array(strtotime('2005-10-09')), array(strtotime('2005-10-15'))),
+            array('before 2005-10-10', array(strtotime('2005-10-09')), array(strtotime('2005-10-15'))),
+            array('> 2005-10-10', array(strtotime('2005-10-15')), array(strtotime('2005-10-09'))),
+            array('after 2005-10-10', array(strtotime('2005-10-15')), array(strtotime('2005-10-09'))),
+            array('since 2005-10-10', array(strtotime('2005-10-15')), array(strtotime('2005-10-09'))),
+            array('!= 2005-10-10', array(strtotime('2005-10-11')), array(strtotime('2005-10-10'))),
+        );
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Comparator/NumberComparatorTest.php b/vendor/symfony/finder/Tests/Comparator/NumberComparatorTest.php
new file mode 100644
index 00000000..30a75c73
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Comparator/NumberComparatorTest.php
@@ -0,0 +1,108 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Comparator;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Finder\Comparator\NumberComparator;
+
+class NumberComparatorTest extends TestCase
+{
+    /**
+     * @dataProvider getConstructorTestData
+     */
+    public function testConstructor($successes, $failures)
+    {
+        foreach ($successes as $s) {
+            new NumberComparator($s);
+        }
+
+        foreach ($failures as $f) {
+            try {
+                new NumberComparator($f);
+                $this->fail('__construct() throws an \InvalidArgumentException if the test expression is not valid.');
+            } catch (\Exception $e) {
+                $this->assertInstanceOf('InvalidArgumentException', $e, '__construct() throws an \InvalidArgumentException if the test expression is not valid.');
+            }
+        }
+    }
+
+    /**
+     * @dataProvider getTestData
+     */
+    public function testTest($test, $match, $noMatch)
+    {
+        $c = new NumberComparator($test);
+
+        foreach ($match as $m) {
+            $this->assertTrue($c->test($m), '->test() tests a string against the expression');
+        }
+
+        foreach ($noMatch as $m) {
+            $this->assertFalse($c->test($m), '->test() tests a string against the expression');
+        }
+    }
+
+    public function getTestData()
+    {
+        return array(
+            array('< 1000', array('500', '999'), array('1000', '1500')),
+
+            array('< 1K', array('500', '999'), array('1000', '1500')),
+            array('<1k', array('500', '999'), array('1000', '1500')),
+            array('  < 1 K ', array('500', '999'), array('1000', '1500')),
+            array('<= 1K', array('1000'), array('1001')),
+            array('> 1K', array('1001'), array('1000')),
+            array('>= 1K', array('1000'), array('999')),
+
+            array('< 1KI', array('500', '1023'), array('1024', '1500')),
+            array('<= 1KI', array('1024'), array('1025')),
+            array('> 1KI', array('1025'), array('1024')),
+            array('>= 1KI', array('1024'), array('1023')),
+
+            array('1KI', array('1024'), array('1023', '1025')),
+            array('==1KI', array('1024'), array('1023', '1025')),
+
+            array('==1m', array('1000000'), array('999999', '1000001')),
+            array('==1mi', array(1024 * 1024), array(1024 * 1024 - 1, 1024 * 1024 + 1)),
+
+            array('==1g', array('1000000000'), array('999999999', '1000000001')),
+            array('==1gi', array(1024 * 1024 * 1024), array(1024 * 1024 * 1024 - 1, 1024 * 1024 * 1024 + 1)),
+
+            array('!= 1000', array('500', '999'), array('1000')),
+        );
+    }
+
+    public function getConstructorTestData()
+    {
+        return array(
+            array(
+                array(
+                    '1', '0',
+                    '3.5', '33.55', '123.456', '123456.78',
+                    '.1', '.123',
+                    '.0', '0.0',
+                    '1.', '0.', '123.',
+                    '==1', '!=1', '<1', '>1', '<=1', '>=1',
+                    '==1k', '==1ki', '==1m', '==1mi', '==1g', '==1gi',
+                    '1k', '1ki', '1m', '1mi', '1g', '1gi',
+                ),
+                array(
+                    false, null, '',
+                    ' ', 'foobar',
+                    '=1', '===1',
+                    '0 . 1', '123 .45', '234. 567',
+                    '..', '.0.', '0.1.2',
+                ),
+            ),
+        );
+    }
+}
diff --git a/vendor/symfony/finder/Tests/FinderTest.php b/vendor/symfony/finder/Tests/FinderTest.php
new file mode 100644
index 00000000..7e75f141
--- /dev/null
+++ b/vendor/symfony/finder/Tests/FinderTest.php
@@ -0,0 +1,698 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests;
+
+use Symfony\Component\Finder\Finder;
+
+class FinderTest extends Iterator\RealIteratorTestCase
+{
+    public function testCreate()
+    {
+        $this->assertInstanceOf('Symfony\Component\Finder\Finder', Finder::create());
+    }
+
+    public function testDirectories()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->directories());
+        $this->assertIterator($this->toAbsolute(array('foo', 'toto')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $finder->directories();
+        $finder->files();
+        $finder->directories();
+        $this->assertIterator($this->toAbsolute(array('foo', 'toto')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testFiles()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->files());
+        $this->assertIterator($this->toAbsolute(array('foo/bar.tmp', 'test.php', 'test.py', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $finder->files();
+        $finder->directories();
+        $finder->files();
+        $this->assertIterator($this->toAbsolute(array('foo/bar.tmp', 'test.php', 'test.py', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testDepth()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->depth('< 1'));
+        $this->assertIterator($this->toAbsolute(array('foo', 'test.php', 'test.py', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->depth('<= 0'));
+        $this->assertIterator($this->toAbsolute(array('foo', 'test.php', 'test.py', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->depth('>= 1'));
+        $this->assertIterator($this->toAbsolute(array('foo/bar.tmp')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $finder->depth('< 1')->depth('>= 1');
+        $this->assertIterator(array(), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testName()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->name('*.php'));
+        $this->assertIterator($this->toAbsolute(array('test.php')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $finder->name('test.ph*');
+        $finder->name('test.py');
+        $this->assertIterator($this->toAbsolute(array('test.php', 'test.py')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $finder->name('~^test~i');
+        $this->assertIterator($this->toAbsolute(array('test.php', 'test.py')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $finder->name('~\\.php$~i');
+        $this->assertIterator($this->toAbsolute(array('test.php')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $finder->name('test.p{hp,y}');
+        $this->assertIterator($this->toAbsolute(array('test.php', 'test.py')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testNotName()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->notName('*.php'));
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'test.py', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $finder->notName('*.php');
+        $finder->notName('*.py');
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $finder->name('test.ph*');
+        $finder->name('test.py');
+        $finder->notName('*.php');
+        $finder->notName('*.py');
+        $this->assertIterator(array(), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $finder->name('test.ph*');
+        $finder->name('test.py');
+        $finder->notName('*.p{hp,y}');
+        $this->assertIterator(array(), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    /**
+     * @dataProvider getRegexNameTestData
+     */
+    public function testRegexName($regex)
+    {
+        $finder = $this->buildFinder();
+        $finder->name($regex);
+        $this->assertIterator($this->toAbsolute(array('test.py', 'test.php')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testSize()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->files()->size('< 1K')->size('> 500'));
+        $this->assertIterator($this->toAbsolute(array('test.php')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testDate()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->files()->date('until last month'));
+        $this->assertIterator($this->toAbsolute(array('foo/bar.tmp', 'test.php')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testExclude()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->exclude('foo'));
+        $this->assertIterator($this->toAbsolute(array('test.php', 'test.py', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testIgnoreVCS()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->ignoreVCS(false)->ignoreDotFiles(false));
+        $this->assertIterator($this->toAbsolute(array('.git', 'foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto', 'toto/.git', '.bar', '.foo', '.foo/.bar', '.foo/bar', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $finder->ignoreVCS(false)->ignoreVCS(false)->ignoreDotFiles(false);
+        $this->assertIterator($this->toAbsolute(array('.git', 'foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto', 'toto/.git', '.bar', '.foo', '.foo/.bar', '.foo/bar', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->ignoreVCS(true)->ignoreDotFiles(false));
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto', '.bar', '.foo', '.foo/.bar', '.foo/bar', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testIgnoreDotFiles()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->ignoreDotFiles(false)->ignoreVCS(false));
+        $this->assertIterator($this->toAbsolute(array('.git', '.bar', '.foo', '.foo/.bar', '.foo/bar', 'foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto', 'toto/.git', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $finder->ignoreDotFiles(false)->ignoreDotFiles(false)->ignoreVCS(false);
+        $this->assertIterator($this->toAbsolute(array('.git', '.bar', '.foo', '.foo/.bar', '.foo/bar', 'foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto', 'toto/.git', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->ignoreDotFiles(true)->ignoreVCS(false));
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testSortByName()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->sortByName());
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo bar', 'foo/bar.tmp', 'test.php', 'test.py', 'toto')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testSortByType()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->sortByType());
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo bar', 'toto', 'foo/bar.tmp', 'test.php', 'test.py')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testSortByAccessedTime()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->sortByAccessedTime());
+        $this->assertIterator($this->toAbsolute(array('foo/bar.tmp', 'test.php', 'toto', 'test.py', 'foo', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testSortByChangedTime()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->sortByChangedTime());
+        $this->assertIterator($this->toAbsolute(array('toto', 'test.py', 'test.php', 'foo/bar.tmp', 'foo', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testSortByModifiedTime()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->sortByModifiedTime());
+        $this->assertIterator($this->toAbsolute(array('foo/bar.tmp', 'test.php', 'toto', 'test.py', 'foo', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testSort()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->sort(function (\SplFileInfo $a, \SplFileInfo $b) { return strcmp($a->getRealPath(), $b->getRealPath()); }));
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo bar', 'foo/bar.tmp', 'test.php', 'test.py', 'toto')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testFilter()
+    {
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->filter(function (\SplFileInfo $f) { return false !== strpos($f, 'test'); }));
+        $this->assertIterator($this->toAbsolute(array('test.php', 'test.py')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testFollowLinks()
+    {
+        if ('\\' == DIRECTORY_SEPARATOR) {
+            $this->markTestSkipped('symlinks are not supported on Windows');
+        }
+
+        $finder = $this->buildFinder();
+        $this->assertSame($finder, $finder->followLinks());
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'test.php', 'test.py', 'toto', 'foo bar')), $finder->in(self::$tmpDir)->getIterator());
+    }
+
+    public function testIn()
+    {
+        $finder = $this->buildFinder();
+        $iterator = $finder->files()->name('*.php')->depth('< 1')->in(array(self::$tmpDir, __DIR__))->getIterator();
+
+        $expected = array(
+            self::$tmpDir.DIRECTORY_SEPARATOR.'test.php',
+            __DIR__.DIRECTORY_SEPARATOR.'FinderTest.php',
+            __DIR__.DIRECTORY_SEPARATOR.'GlobTest.php',
+        );
+
+        $this->assertIterator($expected, $iterator);
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testInWithNonExistentDirectory()
+    {
+        $finder = new Finder();
+        $finder->in('foobar');
+    }
+
+    public function testInWithGlob()
+    {
+        $finder = $this->buildFinder();
+        $finder->in(array(__DIR__.'/Fixtures/*/B/C', __DIR__.'/Fixtures/*/*/B/C'))->getIterator();
+
+        $this->assertIterator($this->toAbsoluteFixtures(array('A/B/C/abc.dat', 'copy/A/B/C/abc.dat.copy')), $finder);
+    }
+
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testInWithNonDirectoryGlob()
+    {
+        $finder = new Finder();
+        $finder->in(__DIR__.'/Fixtures/A/a*');
+    }
+
+    public function testInWithGlobBrace()
+    {
+        $finder = $this->buildFinder();
+        $finder->in(array(__DIR__.'/Fixtures/{A,copy/A}/B/C'))->getIterator();
+
+        $this->assertIterator($this->toAbsoluteFixtures(array('A/B/C/abc.dat', 'copy/A/B/C/abc.dat.copy')), $finder);
+    }
+
+    /**
+     * @expectedException \LogicException
+     */
+    public function testGetIteratorWithoutIn()
+    {
+        $finder = Finder::create();
+        $finder->getIterator();
+    }
+
+    public function testGetIterator()
+    {
+        $finder = $this->buildFinder();
+        $dirs = array();
+        foreach ($finder->directories()->in(self::$tmpDir) as $dir) {
+            $dirs[] = (string) $dir;
+        }
+
+        $expected = $this->toAbsolute(array('foo', 'toto'));
+
+        sort($dirs);
+        sort($expected);
+
+        $this->assertEquals($expected, $dirs, 'implements the \IteratorAggregate interface');
+
+        $finder = $this->buildFinder();
+        $this->assertEquals(2, iterator_count($finder->directories()->in(self::$tmpDir)), 'implements the \IteratorAggregate interface');
+
+        $finder = $this->buildFinder();
+        $a = iterator_to_array($finder->directories()->in(self::$tmpDir));
+        $a = array_values(array_map('strval', $a));
+        sort($a);
+        $this->assertEquals($expected, $a, 'implements the \IteratorAggregate interface');
+    }
+
+    public function testRelativePath()
+    {
+        $finder = $this->buildFinder()->in(self::$tmpDir);
+
+        $paths = array();
+
+        foreach ($finder as $file) {
+            $paths[] = $file->getRelativePath();
+        }
+
+        $ref = array('', '', '', '', 'foo', '');
+
+        sort($ref);
+        sort($paths);
+
+        $this->assertEquals($ref, $paths);
+    }
+
+    public function testRelativePathname()
+    {
+        $finder = $this->buildFinder()->in(self::$tmpDir)->sortByName();
+
+        $paths = array();
+
+        foreach ($finder as $file) {
+            $paths[] = $file->getRelativePathname();
+        }
+
+        $ref = array('test.php', 'toto', 'test.py', 'foo', 'foo'.DIRECTORY_SEPARATOR.'bar.tmp', 'foo bar');
+
+        sort($paths);
+        sort($ref);
+
+        $this->assertEquals($ref, $paths);
+    }
+
+    public function testAppendWithAFinder()
+    {
+        $finder = $this->buildFinder();
+        $finder->files()->in(self::$tmpDir.DIRECTORY_SEPARATOR.'foo');
+
+        $finder1 = $this->buildFinder();
+        $finder1->directories()->in(self::$tmpDir);
+
+        $finder = $finder->append($finder1);
+
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'toto')), $finder->getIterator());
+    }
+
+    public function testAppendWithAnArray()
+    {
+        $finder = $this->buildFinder();
+        $finder->files()->in(self::$tmpDir.DIRECTORY_SEPARATOR.'foo');
+
+        $finder->append($this->toAbsolute(array('foo', 'toto')));
+
+        $this->assertIterator($this->toAbsolute(array('foo', 'foo/bar.tmp', 'toto')), $finder->getIterator());
+    }
+
+    public function testAppendReturnsAFinder()
+    {
+        $this->assertInstanceOf('Symfony\\Component\\Finder\\Finder', Finder::create()->append(array()));
+    }
+
+    public function testAppendDoesNotRequireIn()
+    {
+        $finder = $this->buildFinder();
+        $finder->in(self::$tmpDir.DIRECTORY_SEPARATOR.'foo');
+
+        $finder1 = Finder::create()->append($finder);
+
+        $this->assertIterator(iterator_to_array($finder->getIterator()), $finder1->getIterator());
+    }
+
+    public function testCountDirectories()
+    {
+        $directory = Finder::create()->directories()->in(self::$tmpDir);
+        $i = 0;
+
+        foreach ($directory as $dir) {
+            ++$i;
+        }
+
+        $this->assertCount($i, $directory);
+    }
+
+    public function testCountFiles()
+    {
+        $files = Finder::create()->files()->in(__DIR__.DIRECTORY_SEPARATOR.'Fixtures');
+        $i = 0;
+
+        foreach ($files as $file) {
+            ++$i;
+        }
+
+        $this->assertCount($i, $files);
+    }
+
+    /**
+     * @expectedException \LogicException
+     */
+    public function testCountWithoutIn()
+    {
+        $finder = Finder::create()->files();
+        count($finder);
+    }
+
+    public function testHasResults()
+    {
+        $finder = $this->buildFinder();
+        $finder->in(__DIR__);
+        $this->assertTrue($finder->hasResults());
+    }
+
+    public function testNoResults()
+    {
+        $finder = $this->buildFinder();
+        $finder->in(__DIR__)->name('DoesNotExist');
+        $this->assertFalse($finder->hasResults());
+    }
+
+    /**
+     * @dataProvider getContainsTestData
+     */
+    public function testContains($matchPatterns, $noMatchPatterns, $expected)
+    {
+        $finder = $this->buildFinder();
+        $finder->in(__DIR__.DIRECTORY_SEPARATOR.'Fixtures')
+            ->name('*.txt')->sortByName()
+            ->contains($matchPatterns)
+            ->notContains($noMatchPatterns);
+
+        $this->assertIterator($this->toAbsoluteFixtures($expected), $finder);
+    }
+
+    public function testContainsOnDirectory()
+    {
+        $finder = $this->buildFinder();
+        $finder->in(__DIR__)
+            ->directories()
+            ->name('Fixtures')
+            ->contains('abc');
+        $this->assertIterator(array(), $finder);
+    }
+
+    public function testNotContainsOnDirectory()
+    {
+        $finder = $this->buildFinder();
+        $finder->in(__DIR__)
+            ->directories()
+            ->name('Fixtures')
+            ->notContains('abc');
+        $this->assertIterator(array(), $finder);
+    }
+
+    /**
+     * Searching in multiple locations involves AppendIterator which does an unnecessary rewind which leaves FilterIterator
+     * with inner FilesystemIterator in an invalid state.
+     *
+     * @see https://bugs.php.net/68557
+     */
+    public function testMultipleLocations()
+    {
+        $locations = array(
+            self::$tmpDir.'/',
+            self::$tmpDir.'/toto/',
+        );
+
+        // it is expected that there are test.py test.php in the tmpDir
+        $finder = new Finder();
+        $finder->in($locations)
+            // the default flag IGNORE_DOT_FILES fixes the problem indirectly
+            // so we set it to false for better isolation
+            ->ignoreDotFiles(false)
+            ->depth('< 1')->name('test.php');
+
+        $this->assertCount(1, $finder);
+    }
+
+    /**
+     * Searching in multiple locations with sub directories involves
+     * AppendIterator which does an unnecessary rewind which leaves
+     * FilterIterator with inner FilesystemIterator in an invalid state.
+     *
+     * @see https://bugs.php.net/68557
+     */
+    public function testMultipleLocationsWithSubDirectories()
+    {
+        $locations = array(
+            __DIR__.'/Fixtures/one',
+            self::$tmpDir.DIRECTORY_SEPARATOR.'toto',
+        );
+
+        $finder = $this->buildFinder();
+        $finder->in($locations)->depth('< 10')->name('*.neon');
+
+        $expected = array(
+            __DIR__.'/Fixtures/one'.DIRECTORY_SEPARATOR.'b'.DIRECTORY_SEPARATOR.'c.neon',
+            __DIR__.'/Fixtures/one'.DIRECTORY_SEPARATOR.'b'.DIRECTORY_SEPARATOR.'d.neon',
+        );
+
+        $this->assertIterator($expected, $finder);
+        $this->assertIteratorInForeach($expected, $finder);
+    }
+
+    /**
+     * Iterator keys must be the file pathname.
+     */
+    public function testIteratorKeys()
+    {
+        $finder = $this->buildFinder()->in(self::$tmpDir);
+        foreach ($finder as $key => $file) {
+            $this->assertEquals($file->getPathname(), $key);
+        }
+    }
+
+    public function testRegexSpecialCharsLocationWithPathRestrictionContainingStartFlag()
+    {
+        $finder = $this->buildFinder();
+        $finder->in(__DIR__.DIRECTORY_SEPARATOR.'Fixtures'.DIRECTORY_SEPARATOR.'r+e.gex[c]a(r)s')
+            ->path('/^dir/');
+
+        $expected = array('r+e.gex[c]a(r)s'.DIRECTORY_SEPARATOR.'dir', 'r+e.gex[c]a(r)s'.DIRECTORY_SEPARATOR.'dir'.DIRECTORY_SEPARATOR.'bar.dat');
+        $this->assertIterator($this->toAbsoluteFixtures($expected), $finder);
+    }
+
+    public function getContainsTestData()
+    {
+        return array(
+            array('', '', array()),
+            array('foo', 'bar', array()),
+            array('', 'foobar', array('dolor.txt', 'ipsum.txt', 'lorem.txt')),
+            array('lorem ipsum dolor sit amet', 'foobar', array('lorem.txt')),
+            array('sit', 'bar', array('dolor.txt', 'ipsum.txt', 'lorem.txt')),
+            array('dolor sit amet', '@^L@m', array('dolor.txt', 'ipsum.txt')),
+            array('/^lorem ipsum dolor sit amet$/m', 'foobar', array('lorem.txt')),
+            array('lorem', 'foobar', array('lorem.txt')),
+            array('', 'lorem', array('dolor.txt', 'ipsum.txt')),
+            array('ipsum dolor sit amet', '/^IPSUM/m', array('lorem.txt')),
+        );
+    }
+
+    public function getRegexNameTestData()
+    {
+        return array(
+            array('~.+\\.p.+~i'),
+            array('~t.*s~i'),
+        );
+    }
+
+    /**
+     * @dataProvider getTestPathData
+     */
+    public function testPath($matchPatterns, $noMatchPatterns, array $expected)
+    {
+        $finder = $this->buildFinder();
+        $finder->in(__DIR__.DIRECTORY_SEPARATOR.'Fixtures')
+            ->path($matchPatterns)
+            ->notPath($noMatchPatterns);
+
+        $this->assertIterator($this->toAbsoluteFixtures($expected), $finder);
+    }
+
+    public function getTestPathData()
+    {
+        return array(
+            array('', '', array()),
+            array('/^A\/B\/C/', '/C$/',
+                array('A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat'),
+            ),
+            array('/^A\/B/', 'foobar',
+                array(
+                    'A'.DIRECTORY_SEPARATOR.'B',
+                    'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C',
+                    'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'ab.dat',
+                    'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat',
+                ),
+            ),
+            array('A/B/C', 'foobar',
+                array(
+                    'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C',
+                    'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat',
+                    'copy'.DIRECTORY_SEPARATOR.'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C',
+                    'copy'.DIRECTORY_SEPARATOR.'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat.copy',
+                ),
+            ),
+            array('A/B', 'foobar',
+                array(
+                    //dirs
+                    'A'.DIRECTORY_SEPARATOR.'B',
+                    'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C',
+                    'copy'.DIRECTORY_SEPARATOR.'A'.DIRECTORY_SEPARATOR.'B',
+                    'copy'.DIRECTORY_SEPARATOR.'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C',
+                    //files
+                    'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'ab.dat',
+                    'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat',
+                    'copy'.DIRECTORY_SEPARATOR.'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'ab.dat.copy',
+                    'copy'.DIRECTORY_SEPARATOR.'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat.copy',
+                ),
+            ),
+            array('/^with space\//', 'foobar',
+                array(
+                    'with space'.DIRECTORY_SEPARATOR.'foo.txt',
+                ),
+            ),
+        );
+    }
+
+    public function testAccessDeniedException()
+    {
+        if ('\\' === DIRECTORY_SEPARATOR) {
+            $this->markTestSkipped('chmod is not supported on Windows');
+        }
+
+        $finder = $this->buildFinder();
+        $finder->files()->in(self::$tmpDir);
+
+        // make 'foo' directory non-readable
+        $testDir = self::$tmpDir.DIRECTORY_SEPARATOR.'foo';
+        chmod($testDir, 0333);
+
+        if (false === $couldRead = is_readable($testDir)) {
+            try {
+                $this->assertIterator($this->toAbsolute(array('foo bar', 'test.php', 'test.py')), $finder->getIterator());
+                $this->fail('Finder should throw an exception when opening a non-readable directory.');
+            } catch (\Exception $e) {
+                $expectedExceptionClass = 'Symfony\\Component\\Finder\\Exception\\AccessDeniedException';
+                if ($e instanceof \PHPUnit_Framework_ExpectationFailedException) {
+                    $this->fail(sprintf("Expected exception:\n%s\nGot:\n%s\nWith comparison failure:\n%s", $expectedExceptionClass, 'PHPUnit_Framework_ExpectationFailedException', $e->getComparisonFailure()->getExpectedAsString()));
+                }
+
+                if ($e instanceof \PHPUnit\Framework\ExpectationFailedException) {
+                    $this->fail(sprintf("Expected exception:\n%s\nGot:\n%s\nWith comparison failure:\n%s", $expectedExceptionClass, '\PHPUnit\Framework\ExpectationFailedException', $e->getComparisonFailure()->getExpectedAsString()));
+                }
+
+                $this->assertInstanceOf($expectedExceptionClass, $e);
+            }
+        }
+
+        // restore original permissions
+        chmod($testDir, 0777);
+        clearstatcache($testDir);
+
+        if ($couldRead) {
+            $this->markTestSkipped('could read test files while test requires unreadable');
+        }
+    }
+
+    public function testIgnoredAccessDeniedException()
+    {
+        if ('\\' === DIRECTORY_SEPARATOR) {
+            $this->markTestSkipped('chmod is not supported on Windows');
+        }
+
+        $finder = $this->buildFinder();
+        $finder->files()->ignoreUnreadableDirs()->in(self::$tmpDir);
+
+        // make 'foo' directory non-readable
+        $testDir = self::$tmpDir.DIRECTORY_SEPARATOR.'foo';
+        chmod($testDir, 0333);
+
+        if (false === ($couldRead = is_readable($testDir))) {
+            $this->assertIterator($this->toAbsolute(array('foo bar', 'test.php', 'test.py')), $finder->getIterator());
+        }
+
+        // restore original permissions
+        chmod($testDir, 0777);
+        clearstatcache($testDir);
+
+        if ($couldRead) {
+            $this->markTestSkipped('could read test files while test requires unreadable');
+        }
+    }
+
+    protected function buildFinder()
+    {
+        return Finder::create();
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Fixtures/.dot/a b/vendor/symfony/finder/Tests/Fixtures/.dot/a
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/.dot/a
diff --git a/vendor/symfony/finder/Tests/Fixtures/.dot/b/c.neon b/vendor/symfony/finder/Tests/Fixtures/.dot/b/c.neon
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/.dot/b/c.neon
diff --git a/vendor/symfony/finder/Tests/Fixtures/.dot/b/d.neon b/vendor/symfony/finder/Tests/Fixtures/.dot/b/d.neon
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/.dot/b/d.neon
diff --git a/vendor/symfony/finder/Tests/Fixtures/A/B/C/abc.dat b/vendor/symfony/finder/Tests/Fixtures/A/B/C/abc.dat
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/A/B/C/abc.dat
diff --git a/vendor/symfony/finder/Tests/Fixtures/A/B/ab.dat b/vendor/symfony/finder/Tests/Fixtures/A/B/ab.dat
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/A/B/ab.dat
diff --git a/vendor/symfony/finder/Tests/Fixtures/A/a.dat b/vendor/symfony/finder/Tests/Fixtures/A/a.dat
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/A/a.dat
diff --git a/vendor/symfony/finder/Tests/Fixtures/copy/A/B/C/abc.dat.copy b/vendor/symfony/finder/Tests/Fixtures/copy/A/B/C/abc.dat.copy
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/copy/A/B/C/abc.dat.copy
diff --git a/vendor/symfony/finder/Tests/Fixtures/copy/A/B/ab.dat.copy b/vendor/symfony/finder/Tests/Fixtures/copy/A/B/ab.dat.copy
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/copy/A/B/ab.dat.copy
diff --git a/vendor/symfony/finder/Tests/Fixtures/copy/A/a.dat.copy b/vendor/symfony/finder/Tests/Fixtures/copy/A/a.dat.copy
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/copy/A/a.dat.copy
diff --git a/vendor/symfony/finder/Tests/Fixtures/dolor.txt b/vendor/symfony/finder/Tests/Fixtures/dolor.txt
new file mode 100644
index 00000000..658bec69
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/dolor.txt
@@ -0,0 +1,2 @@
+dolor sit amet
+DOLOR SIT AMET
\ No newline at end of file
diff --git a/vendor/symfony/finder/Tests/Fixtures/ipsum.txt b/vendor/symfony/finder/Tests/Fixtures/ipsum.txt
new file mode 100644
index 00000000..c7f392d6
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/ipsum.txt
@@ -0,0 +1,2 @@
+ipsum dolor sit amet
+IPSUM DOLOR SIT AMET
\ No newline at end of file
diff --git a/vendor/symfony/finder/Tests/Fixtures/lorem.txt b/vendor/symfony/finder/Tests/Fixtures/lorem.txt
new file mode 100644
index 00000000..2991a2ca
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/lorem.txt
@@ -0,0 +1,2 @@
+lorem ipsum dolor sit amet
+LOREM IPSUM DOLOR SIT AMET
\ No newline at end of file
diff --git a/vendor/symfony/finder/Tests/Fixtures/one/.dot b/vendor/symfony/finder/Tests/Fixtures/one/.dot
new file mode 100644
index 00000000..1028065f
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/one/.dot
@@ -0,0 +1 @@
+.dot
\ No newline at end of file
diff --git a/vendor/symfony/finder/Tests/Fixtures/one/a b/vendor/symfony/finder/Tests/Fixtures/one/a
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/one/a
diff --git a/vendor/symfony/finder/Tests/Fixtures/one/b/c.neon b/vendor/symfony/finder/Tests/Fixtures/one/b/c.neon
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/one/b/c.neon
diff --git a/vendor/symfony/finder/Tests/Fixtures/one/b/d.neon b/vendor/symfony/finder/Tests/Fixtures/one/b/d.neon
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/one/b/d.neon
diff --git a/vendor/symfony/finder/Tests/Fixtures/r+e.gex[c]a(r)s/dir/bar.dat b/vendor/symfony/finder/Tests/Fixtures/r+e.gex[c]a(r)s/dir/bar.dat
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/r+e.gex[c]a(r)s/dir/bar.dat
diff --git a/vendor/symfony/finder/Tests/Fixtures/with space/foo.txt b/vendor/symfony/finder/Tests/Fixtures/with space/foo.txt
new file mode 100644
index 00000000..e69de29b
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Fixtures/with space/foo.txt
diff --git a/vendor/symfony/finder/Tests/GlobTest.php b/vendor/symfony/finder/Tests/GlobTest.php
new file mode 100644
index 00000000..d48ac1fc
--- /dev/null
+++ b/vendor/symfony/finder/Tests/GlobTest.php
@@ -0,0 +1,95 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Finder\Finder;
+use Symfony\Component\Finder\Glob;
+
+class GlobTest extends TestCase
+{
+    public function testGlobToRegexDelimiters()
+    {
+        $this->assertEquals('#^(?=[^\.])\#$#', Glob::toRegex('#'));
+        $this->assertEquals('#^\.[^/]*$#', Glob::toRegex('.*'));
+        $this->assertEquals('^\.[^/]*$', Glob::toRegex('.*', true, true, ''));
+        $this->assertEquals('/^\.[^/]*$/', Glob::toRegex('.*', true, true, '/'));
+    }
+
+    public function testGlobToRegexDoubleStarStrictDots()
+    {
+        $finder = new Finder();
+        $finder->ignoreDotFiles(false);
+        $regex = Glob::toRegex('/**/*.neon');
+
+        foreach ($finder->in(__DIR__) as $k => $v) {
+            $k = str_replace(DIRECTORY_SEPARATOR, '/', $k);
+            if (preg_match($regex, substr($k, strlen(__DIR__)))) {
+                $match[] = substr($k, 10 + strlen(__DIR__));
+            }
+        }
+        sort($match);
+
+        $this->assertSame(array('one/b/c.neon', 'one/b/d.neon'), $match);
+    }
+
+    public function testGlobToRegexDoubleStarNonStrictDots()
+    {
+        $finder = new Finder();
+        $finder->ignoreDotFiles(false);
+        $regex = Glob::toRegex('/**/*.neon', false);
+
+        foreach ($finder->in(__DIR__) as $k => $v) {
+            $k = str_replace(DIRECTORY_SEPARATOR, '/', $k);
+            if (preg_match($regex, substr($k, strlen(__DIR__)))) {
+                $match[] = substr($k, 10 + strlen(__DIR__));
+            }
+        }
+        sort($match);
+
+        $this->assertSame(array('.dot/b/c.neon', '.dot/b/d.neon', 'one/b/c.neon', 'one/b/d.neon'), $match);
+    }
+
+    public function testGlobToRegexDoubleStarWithoutLeadingSlash()
+    {
+        $finder = new Finder();
+        $finder->ignoreDotFiles(false);
+        $regex = Glob::toRegex('/Fixtures/one/**');
+
+        foreach ($finder->in(__DIR__) as $k => $v) {
+            $k = str_replace(DIRECTORY_SEPARATOR, '/', $k);
+            if (preg_match($regex, substr($k, strlen(__DIR__)))) {
+                $match[] = substr($k, 10 + strlen(__DIR__));
+            }
+        }
+        sort($match);
+
+        $this->assertSame(array('one/a', 'one/b', 'one/b/c.neon', 'one/b/d.neon'), $match);
+    }
+
+    public function testGlobToRegexDoubleStarWithoutLeadingSlashNotStrictLeadingDot()
+    {
+        $finder = new Finder();
+        $finder->ignoreDotFiles(false);
+        $regex = Glob::toRegex('/Fixtures/one/**', false);
+
+        foreach ($finder->in(__DIR__) as $k => $v) {
+            $k = str_replace(DIRECTORY_SEPARATOR, '/', $k);
+            if (preg_match($regex, substr($k, strlen(__DIR__)))) {
+                $match[] = substr($k, 10 + strlen(__DIR__));
+            }
+        }
+        sort($match);
+
+        $this->assertSame(array('one/.dot', 'one/a', 'one/b', 'one/b/c.neon', 'one/b/d.neon'), $match);
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/CustomFilterIteratorTest.php b/vendor/symfony/finder/Tests/Iterator/CustomFilterIteratorTest.php
new file mode 100644
index 00000000..b036ad13
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/CustomFilterIteratorTest.php
@@ -0,0 +1,46 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+use Symfony\Component\Finder\Iterator\CustomFilterIterator;
+
+class CustomFilterIteratorTest extends IteratorTestCase
+{
+    /**
+     * @expectedException \InvalidArgumentException
+     */
+    public function testWithInvalidFilter()
+    {
+        new CustomFilterIterator(new Iterator(), array('foo'));
+    }
+
+    /**
+     * @dataProvider getAcceptData
+     */
+    public function testAccept($filters, $expected)
+    {
+        $inner = new Iterator(array('test.php', 'test.py', 'foo.php'));
+
+        $iterator = new CustomFilterIterator($inner, $filters);
+
+        $this->assertIterator($expected, $iterator);
+    }
+
+    public function getAcceptData()
+    {
+        return array(
+            array(array(function (\SplFileInfo $fileinfo) { return false; }), array()),
+            array(array(function (\SplFileInfo $fileinfo) { return 0 === strpos($fileinfo, 'test'); }), array('test.php', 'test.py')),
+            array(array('is_dir'), array()),
+        );
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/DateRangeFilterIteratorTest.php b/vendor/symfony/finder/Tests/Iterator/DateRangeFilterIteratorTest.php
new file mode 100644
index 00000000..1ec70518
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/DateRangeFilterIteratorTest.php
@@ -0,0 +1,74 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+use Symfony\Component\Finder\Iterator\DateRangeFilterIterator;
+use Symfony\Component\Finder\Comparator\DateComparator;
+
+class DateRangeFilterIteratorTest extends RealIteratorTestCase
+{
+    /**
+     * @dataProvider getAcceptData
+     */
+    public function testAccept($size, $expected)
+    {
+        $files = self::$files;
+        $files[] = self::toAbsolute('doesnotexist');
+        $inner = new Iterator($files);
+
+        $iterator = new DateRangeFilterIterator($inner, $size);
+
+        $this->assertIterator($expected, $iterator);
+    }
+
+    public function getAcceptData()
+    {
+        $since20YearsAgo = array(
+            '.git',
+            'test.py',
+            'foo',
+            'foo/bar.tmp',
+            'test.php',
+            'toto',
+            'toto/.git',
+            '.bar',
+            '.foo',
+            '.foo/.bar',
+            'foo bar',
+            '.foo/bar',
+        );
+
+        $since2MonthsAgo = array(
+            '.git',
+            'test.py',
+            'foo',
+            'toto',
+            'toto/.git',
+            '.bar',
+            '.foo',
+            '.foo/.bar',
+            'foo bar',
+            '.foo/bar',
+        );
+
+        $untilLastMonth = array(
+            'foo/bar.tmp',
+            'test.php',
+        );
+
+        return array(
+            array(array(new DateComparator('since 20 years ago')), $this->toAbsolute($since20YearsAgo)),
+            array(array(new DateComparator('since 2 months ago')), $this->toAbsolute($since2MonthsAgo)),
+            array(array(new DateComparator('until last month')), $this->toAbsolute($untilLastMonth)),
+        );
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/DepthRangeFilterIteratorTest.php b/vendor/symfony/finder/Tests/Iterator/DepthRangeFilterIteratorTest.php
new file mode 100644
index 00000000..2e901405
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/DepthRangeFilterIteratorTest.php
@@ -0,0 +1,83 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+use Symfony\Component\Finder\Iterator\DepthRangeFilterIterator;
+
+class DepthRangeFilterIteratorTest extends RealIteratorTestCase
+{
+    /**
+     * @dataProvider getAcceptData
+     */
+    public function testAccept($minDepth, $maxDepth, $expected)
+    {
+        $inner = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($this->toAbsolute(), \FilesystemIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST);
+
+        $iterator = new DepthRangeFilterIterator($inner, $minDepth, $maxDepth);
+
+        $actual = array_keys(iterator_to_array($iterator));
+        sort($expected);
+        sort($actual);
+        $this->assertEquals($expected, $actual);
+    }
+
+    public function getAcceptData()
+    {
+        $lessThan1 = array(
+            '.git',
+            'test.py',
+            'foo',
+            'test.php',
+            'toto',
+            '.foo',
+            '.bar',
+            'foo bar',
+        );
+
+        $lessThanOrEqualTo1 = array(
+            '.git',
+            'test.py',
+            'foo',
+            'foo/bar.tmp',
+            'test.php',
+            'toto',
+            'toto/.git',
+            '.foo',
+            '.foo/.bar',
+            '.bar',
+            'foo bar',
+            '.foo/bar',
+        );
+
+        $graterThanOrEqualTo1 = array(
+            'toto/.git',
+            'foo/bar.tmp',
+            '.foo/.bar',
+            '.foo/bar',
+        );
+
+        $equalTo1 = array(
+            'toto/.git',
+            'foo/bar.tmp',
+            '.foo/.bar',
+            '.foo/bar',
+        );
+
+        return array(
+            array(0, 0, $this->toAbsolute($lessThan1)),
+            array(0, 1, $this->toAbsolute($lessThanOrEqualTo1)),
+            array(2, PHP_INT_MAX, array()),
+            array(1, PHP_INT_MAX, $this->toAbsolute($graterThanOrEqualTo1)),
+            array(1, 1, $this->toAbsolute($equalTo1)),
+        );
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/ExcludeDirectoryFilterIteratorTest.php b/vendor/symfony/finder/Tests/Iterator/ExcludeDirectoryFilterIteratorTest.php
new file mode 100644
index 00000000..fa192c31
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/ExcludeDirectoryFilterIteratorTest.php
@@ -0,0 +1,80 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+use Symfony\Component\Finder\Iterator\ExcludeDirectoryFilterIterator;
+use Symfony\Component\Finder\Iterator\RecursiveDirectoryIterator;
+
+class ExcludeDirectoryFilterIteratorTest extends RealIteratorTestCase
+{
+    /**
+     * @dataProvider getAcceptData
+     */
+    public function testAccept($directories, $expected)
+    {
+        $inner = new \RecursiveIteratorIterator(new RecursiveDirectoryIterator($this->toAbsolute(), \FilesystemIterator::SKIP_DOTS), \RecursiveIteratorIterator::SELF_FIRST);
+
+        $iterator = new ExcludeDirectoryFilterIterator($inner, $directories);
+
+        $this->assertIterator($expected, $iterator);
+    }
+
+    public function getAcceptData()
+    {
+        $foo = array(
+            '.bar',
+            '.foo',
+            '.foo/.bar',
+            '.foo/bar',
+            '.git',
+            'test.py',
+            'test.php',
+            'toto',
+            'toto/.git',
+            'foo bar',
+        );
+
+        $fo = array(
+            '.bar',
+            '.foo',
+            '.foo/.bar',
+            '.foo/bar',
+            '.git',
+            'test.py',
+            'foo',
+            'foo/bar.tmp',
+            'test.php',
+            'toto',
+            'toto/.git',
+            'foo bar',
+        );
+
+        $toto = array(
+            '.bar',
+            '.foo',
+            '.foo/.bar',
+            '.foo/bar',
+            '.git',
+            'test.py',
+            'foo',
+            'foo/bar.tmp',
+            'test.php',
+            'foo bar',
+        );
+
+        return array(
+            array(array('foo'), $this->toAbsolute($foo)),
+            array(array('fo'), $this->toAbsolute($fo)),
+            array(array('toto/'), $this->toAbsolute($toto)),
+        );
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/FileTypeFilterIteratorTest.php b/vendor/symfony/finder/Tests/Iterator/FileTypeFilterIteratorTest.php
new file mode 100644
index 00000000..4350b00c
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/FileTypeFilterIteratorTest.php
@@ -0,0 +1,73 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+use Symfony\Component\Finder\Iterator\FileTypeFilterIterator;
+
+class FileTypeFilterIteratorTest extends RealIteratorTestCase
+{
+    /**
+     * @dataProvider getAcceptData
+     */
+    public function testAccept($mode, $expected)
+    {
+        $inner = new InnerTypeIterator(self::$files);
+
+        $iterator = new FileTypeFilterIterator($inner, $mode);
+
+        $this->assertIterator($expected, $iterator);
+    }
+
+    public function getAcceptData()
+    {
+        $onlyFiles = array(
+            'test.py',
+            'foo/bar.tmp',
+            'test.php',
+            '.bar',
+            '.foo/.bar',
+            '.foo/bar',
+            'foo bar',
+        );
+
+        $onlyDirectories = array(
+            '.git',
+            'foo',
+            'toto',
+            'toto/.git',
+            '.foo',
+        );
+
+        return array(
+            array(FileTypeFilterIterator::ONLY_FILES, $this->toAbsolute($onlyFiles)),
+            array(FileTypeFilterIterator::ONLY_DIRECTORIES, $this->toAbsolute($onlyDirectories)),
+        );
+    }
+}
+
+class InnerTypeIterator extends \ArrayIterator
+{
+    public function current()
+    {
+        return new \SplFileInfo(parent::current());
+    }
+
+    public function isFile()
+    {
+        return $this->current()->isFile();
+    }
+
+    public function isDir()
+    {
+        return $this->current()->isDir();
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/FilecontentFilterIteratorTest.php b/vendor/symfony/finder/Tests/Iterator/FilecontentFilterIteratorTest.php
new file mode 100644
index 00000000..744bdae1
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/FilecontentFilterIteratorTest.php
@@ -0,0 +1,86 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+use Symfony\Component\Finder\Iterator\FilecontentFilterIterator;
+
+class FilecontentFilterIteratorTest extends IteratorTestCase
+{
+    public function testAccept()
+    {
+        $inner = new MockFileListIterator(array('test.txt'));
+        $iterator = new FilecontentFilterIterator($inner, array(), array());
+        $this->assertIterator(array('test.txt'), $iterator);
+    }
+
+    public function testDirectory()
+    {
+        $inner = new MockFileListIterator(array('directory'));
+        $iterator = new FilecontentFilterIterator($inner, array('directory'), array());
+        $this->assertIterator(array(), $iterator);
+    }
+
+    public function testUnreadableFile()
+    {
+        $inner = new MockFileListIterator(array('file r-'));
+        $iterator = new FilecontentFilterIterator($inner, array('file r-'), array());
+        $this->assertIterator(array(), $iterator);
+    }
+
+    /**
+     * @dataProvider getTestFilterData
+     */
+    public function testFilter(\Iterator $inner, array $matchPatterns, array $noMatchPatterns, array $resultArray)
+    {
+        $iterator = new FilecontentFilterIterator($inner, $matchPatterns, $noMatchPatterns);
+        $this->assertIterator($resultArray, $iterator);
+    }
+
+    public function getTestFilterData()
+    {
+        $inner = new MockFileListIterator();
+
+        $inner[] = new MockSplFileInfo(array(
+            'name' => 'a.txt',
+            'contents' => 'Lorem ipsum...',
+            'type' => 'file',
+            'mode' => 'r+', )
+        );
+
+        $inner[] = new MockSplFileInfo(array(
+            'name' => 'b.yml',
+            'contents' => 'dolor sit...',
+            'type' => 'file',
+            'mode' => 'r+', )
+        );
+
+        $inner[] = new MockSplFileInfo(array(
+            'name' => 'some/other/dir/third.php',
+            'contents' => 'amet...',
+            'type' => 'file',
+            'mode' => 'r+', )
+        );
+
+        $inner[] = new MockSplFileInfo(array(
+            'name' => 'unreadable-file.txt',
+            'contents' => false,
+            'type' => 'file',
+            'mode' => 'r+', )
+        );
+
+        return array(
+            array($inner, array('.'), array(), array('a.txt', 'b.yml', 'some/other/dir/third.php')),
+            array($inner, array('ipsum'), array(), array('a.txt')),
+            array($inner, array('i', 'amet'), array('Lorem', 'amet'), array('b.yml')),
+        );
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/FilenameFilterIteratorTest.php b/vendor/symfony/finder/Tests/Iterator/FilenameFilterIteratorTest.php
new file mode 100644
index 00000000..c4b97959
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/FilenameFilterIteratorTest.php
@@ -0,0 +1,54 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+use Symfony\Component\Finder\Iterator\FilenameFilterIterator;
+
+class FilenameFilterIteratorTest extends IteratorTestCase
+{
+    /**
+     * @dataProvider getAcceptData
+     */
+    public function testAccept($matchPatterns, $noMatchPatterns, $expected)
+    {
+        $inner = new InnerNameIterator(array('test.php', 'test.py', 'foo.php'));
+
+        $iterator = new FilenameFilterIterator($inner, $matchPatterns, $noMatchPatterns);
+
+        $this->assertIterator($expected, $iterator);
+    }
+
+    public function getAcceptData()
+    {
+        return array(
+            array(array('test.*'), array(), array('test.php', 'test.py')),
+            array(array(), array('test.*'), array('foo.php')),
+            array(array('*.php'), array('test.*'), array('foo.php')),
+            array(array('*.php', '*.py'), array('foo.*'), array('test.php', 'test.py')),
+            array(array('/\.php$/'), array(), array('test.php', 'foo.php')),
+            array(array(), array('/\.php$/'), array('test.py')),
+        );
+    }
+}
+
+class InnerNameIterator extends \ArrayIterator
+{
+    public function current()
+    {
+        return new \SplFileInfo(parent::current());
+    }
+
+    public function getFilename()
+    {
+        return parent::current();
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/FilterIteratorTest.php b/vendor/symfony/finder/Tests/Iterator/FilterIteratorTest.php
new file mode 100644
index 00000000..8b1a4482
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/FilterIteratorTest.php
@@ -0,0 +1,53 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+/**
+ * @author Alex Bogomazov
+ *
+ * @group legacy
+ */
+class FilterIteratorTest extends RealIteratorTestCase
+{
+    public function testFilterFilesystemIterators()
+    {
+        $i = new \FilesystemIterator($this->toAbsolute());
+
+        // it is expected that there are test.py test.php in the tmpDir
+        $i = $this->getMockForAbstractClass('Symfony\Component\Finder\Iterator\FilterIterator', array($i));
+        $i->expects($this->any())
+            ->method('accept')
+            ->will($this->returnCallback(function () use ($i) {
+                return (bool) preg_match('/\.php/', (string) $i->current());
+            })
+        );
+
+        $c = 0;
+        foreach ($i as $item) {
+            ++$c;
+        }
+
+        $this->assertEquals(1, $c);
+
+        $i->rewind();
+
+        $c = 0;
+        foreach ($i as $item) {
+            ++$c;
+        }
+
+        // This would fail in php older than 5.5.23/5.6.7 with \FilterIterator
+        // but works with Symfony\Component\Finder\Iterator\FilterIterator
+        // see https://bugs.php.net/68557
+        $this->assertEquals(1, $c);
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/Iterator.php b/vendor/symfony/finder/Tests/Iterator/Iterator.php
new file mode 100644
index 00000000..849bf081
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/Iterator.php
@@ -0,0 +1,55 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+class Iterator implements \Iterator
+{
+    protected $values = array();
+
+    public function __construct(array $values = array())
+    {
+        foreach ($values as $value) {
+            $this->attach(new \SplFileInfo($value));
+        }
+        $this->rewind();
+    }
+
+    public function attach(\SplFileInfo $fileinfo)
+    {
+        $this->values[] = $fileinfo;
+    }
+
+    public function rewind()
+    {
+        reset($this->values);
+    }
+
+    public function valid()
+    {
+        return false !== $this->current();
+    }
+
+    public function next()
+    {
+        next($this->values);
+    }
+
+    public function current()
+    {
+        return current($this->values);
+    }
+
+    public function key()
+    {
+        return key($this->values);
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/IteratorTestCase.php b/vendor/symfony/finder/Tests/Iterator/IteratorTestCase.php
new file mode 100644
index 00000000..c724a75c
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/IteratorTestCase.php
@@ -0,0 +1,100 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+use PHPUnit\Framework\TestCase;
+
+abstract class IteratorTestCase extends TestCase
+{
+    protected function assertIterator($expected, \Traversable $iterator)
+    {
+        // set iterator_to_array $use_key to false to avoid values merge
+        // this made FinderTest::testAppendWithAnArray() fail with GnuFinderAdapter
+        $values = array_map(function (\SplFileInfo $fileinfo) { return str_replace('/', DIRECTORY_SEPARATOR, $fileinfo->getPathname()); }, iterator_to_array($iterator, false));
+
+        $expected = array_map(function ($path) { return str_replace('/', DIRECTORY_SEPARATOR, $path); }, $expected);
+
+        sort($values);
+        sort($expected);
+
+        $this->assertEquals($expected, array_values($values));
+    }
+
+    protected function assertOrderedIterator($expected, \Traversable $iterator)
+    {
+        $values = array_map(function (\SplFileInfo $fileinfo) { return $fileinfo->getPathname(); }, iterator_to_array($iterator));
+
+        $this->assertEquals($expected, array_values($values));
+    }
+
+    /**
+     *  Same as assertOrderedIterator, but checks the order of groups of
+     *  array elements.
+     *
+     *  @param array $expected - an array of arrays. For any two subarrays
+     *      $a and $b such that $a goes before $b in $expected, the method
+     *      asserts that any element of $a goes before any element of $b
+     *      in the sequence generated by $iterator
+     *  @param \Traversable $iterator
+     */
+    protected function assertOrderedIteratorForGroups($expected, \Traversable $iterator)
+    {
+        $values = array_values(array_map(function (\SplFileInfo $fileinfo) { return $fileinfo->getPathname(); }, iterator_to_array($iterator)));
+
+        foreach ($expected as $subarray) {
+            $temp = array();
+            while (count($values) && count($temp) < count($subarray)) {
+                $temp[] = array_shift($values);
+            }
+            sort($temp);
+            sort($subarray);
+            $this->assertEquals($subarray, $temp);
+        }
+    }
+
+    /**
+     * Same as IteratorTestCase::assertIterator with foreach usage.
+     *
+     * @param array        $expected
+     * @param \Traversable $iterator
+     */
+    protected function assertIteratorInForeach($expected, \Traversable $iterator)
+    {
+        $values = array();
+        foreach ($iterator as $file) {
+            $this->assertInstanceOf('Symfony\\Component\\Finder\\SplFileInfo', $file);
+            $values[] = $file->getPathname();
+        }
+
+        sort($values);
+        sort($expected);
+
+        $this->assertEquals($expected, array_values($values));
+    }
+
+    /**
+     * Same as IteratorTestCase::assertOrderedIterator with foreach usage.
+     *
+     * @param array        $expected
+     * @param \Traversable $iterator
+     */
+    protected function assertOrderedIteratorInForeach($expected, \Traversable $iterator)
+    {
+        $values = array();
+        foreach ($iterator as $file) {
+            $this->assertInstanceOf('Symfony\\Component\\Finder\\SplFileInfo', $file);
+            $values[] = $file->getPathname();
+        }
+
+        $this->assertEquals($expected, array_values($values));
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/MockFileListIterator.php b/vendor/symfony/finder/Tests/Iterator/MockFileListIterator.php
new file mode 100644
index 00000000..eb0adfad
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/MockFileListIterator.php
@@ -0,0 +1,21 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+class MockFileListIterator extends \ArrayIterator
+{
+    public function __construct(array $filesArray = array())
+    {
+        $files = array_map(function ($file) { return new MockSplFileInfo($file); }, $filesArray);
+        parent::__construct($files);
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/MockSplFileInfo.php b/vendor/symfony/finder/Tests/Iterator/MockSplFileInfo.php
new file mode 100644
index 00000000..cfe31c90
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/MockSplFileInfo.php
@@ -0,0 +1,132 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+class MockSplFileInfo extends \SplFileInfo
+{
+    const TYPE_DIRECTORY = 1;
+    const TYPE_FILE = 2;
+    const TYPE_UNKNOWN = 3;
+
+    private $contents = null;
+    private $mode = null;
+    private $type = null;
+    private $relativePath = null;
+    private $relativePathname = null;
+
+    public function __construct($param)
+    {
+        if (is_string($param)) {
+            parent::__construct($param);
+        } elseif (is_array($param)) {
+            $defaults = array(
+              'name' => 'file.txt',
+              'contents' => null,
+              'mode' => null,
+              'type' => null,
+              'relativePath' => null,
+              'relativePathname' => null,
+            );
+            $defaults = array_merge($defaults, $param);
+            parent::__construct($defaults['name']);
+            $this->setContents($defaults['contents']);
+            $this->setMode($defaults['mode']);
+            $this->setType($defaults['type']);
+            $this->setRelativePath($defaults['relativePath']);
+            $this->setRelativePathname($defaults['relativePathname']);
+        } else {
+            throw new \RuntimeException(sprintf('Incorrect parameter "%s"', $param));
+        }
+    }
+
+    public function isFile()
+    {
+        if (null === $this->type) {
+            return false !== strpos($this->getFilename(), 'file');
+        }
+
+        return self::TYPE_FILE === $this->type;
+    }
+
+    public function isDir()
+    {
+        if (null === $this->type) {
+            return false !== strpos($this->getFilename(), 'directory');
+        }
+
+        return self::TYPE_DIRECTORY === $this->type;
+    }
+
+    public function isReadable()
+    {
+        if (null === $this->mode) {
+            return preg_match('/r\+/', $this->getFilename());
+        }
+
+        return preg_match('/r\+/', $this->mode);
+    }
+
+    public function getContents()
+    {
+        return $this->contents;
+    }
+
+    public function setContents($contents)
+    {
+        $this->contents = $contents;
+    }
+
+    public function setMode($mode)
+    {
+        $this->mode = $mode;
+    }
+
+    public function setType($type)
+    {
+        if (is_string($type)) {
+            switch ($type) {
+                case 'directory':
+                case 'd':
+                    $this->type = self::TYPE_DIRECTORY;
+                    break;
+                case 'file':
+                case 'f':
+                    $this->type = self::TYPE_FILE;
+                    break;
+                default:
+                    $this->type = self::TYPE_UNKNOWN;
+            }
+        } else {
+            $this->type = $type;
+        }
+    }
+
+    public function setRelativePath($relativePath)
+    {
+        $this->relativePath = $relativePath;
+    }
+
+    public function setRelativePathname($relativePathname)
+    {
+        $this->relativePathname = $relativePathname;
+    }
+
+    public function getRelativePath()
+    {
+        return $this->relativePath;
+    }
+
+    public function getRelativePathname()
+    {
+        return $this->relativePathname;
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/MultiplePcreFilterIteratorTest.php b/vendor/symfony/finder/Tests/Iterator/MultiplePcreFilterIteratorTest.php
new file mode 100644
index 00000000..f2c1cd24
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/MultiplePcreFilterIteratorTest.php
@@ -0,0 +1,71 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\Finder\Iterator\MultiplePcreFilterIterator;
+
+class MultiplePcreFilterIteratorTest extends TestCase
+{
+    /**
+     * @dataProvider getIsRegexFixtures
+     */
+    public function testIsRegex($string, $isRegex, $message)
+    {
+        $testIterator = new TestMultiplePcreFilterIterator();
+        $this->assertEquals($isRegex, $testIterator->isRegex($string), $message);
+    }
+
+    public function getIsRegexFixtures()
+    {
+        return array(
+            array('foo', false, 'string'),
+            array(' foo ', false, '" " is not a valid delimiter'),
+            array('\\foo\\', false, '"\\" is not a valid delimiter'),
+            array('afooa', false, '"a" is not a valid delimiter'),
+            array('//', false, 'the pattern should contain at least 1 character'),
+            array('/a/', true, 'valid regex'),
+            array('/foo/', true, 'valid regex'),
+            array('/foo/i', true, 'valid regex with a single modifier'),
+            array('/foo/imsxu', true, 'valid regex with multiple modifiers'),
+            array('#foo#', true, '"#" is a valid delimiter'),
+            array('{foo}', true, '"{,}" is a valid delimiter pair'),
+            array('[foo]', true, '"[,]" is a valid delimiter pair'),
+            array('(foo)', true, '"(,)" is a valid delimiter pair'),
+            array('<foo>', true, '"<,>" is a valid delimiter pair'),
+            array('*foo.*', false, '"*" is not considered as a valid delimiter'),
+            array('?foo.?', false, '"?" is not considered as a valid delimiter'),
+        );
+    }
+}
+
+class TestMultiplePcreFilterIterator extends MultiplePcreFilterIterator
+{
+    public function __construct()
+    {
+    }
+
+    public function accept()
+    {
+        throw new \BadFunctionCallException('Not implemented');
+    }
+
+    public function isRegex($str)
+    {
+        return parent::isRegex($str);
+    }
+
+    public function toRegex($str)
+    {
+        throw new \BadFunctionCallException('Not implemented');
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/PathFilterIteratorTest.php b/vendor/symfony/finder/Tests/Iterator/PathFilterIteratorTest.php
new file mode 100644
index 00000000..6e10550c
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/PathFilterIteratorTest.php
@@ -0,0 +1,82 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+use Symfony\Component\Finder\Iterator\PathFilterIterator;
+
+class PathFilterIteratorTest extends IteratorTestCase
+{
+    /**
+     * @dataProvider getTestFilterData
+     */
+    public function testFilter(\Iterator $inner, array $matchPatterns, array $noMatchPatterns, array $resultArray)
+    {
+        $iterator = new PathFilterIterator($inner, $matchPatterns, $noMatchPatterns);
+        $this->assertIterator($resultArray, $iterator);
+    }
+
+    public function getTestFilterData()
+    {
+        $inner = new MockFileListIterator();
+
+        //PATH:   A/B/C/abc.dat
+        $inner[] = new MockSplFileInfo(array(
+            'name' => 'abc.dat',
+            'relativePathname' => 'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat',
+        ));
+
+        //PATH:   A/B/ab.dat
+        $inner[] = new MockSplFileInfo(array(
+            'name' => 'ab.dat',
+            'relativePathname' => 'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'ab.dat',
+        ));
+
+        //PATH:   A/a.dat
+        $inner[] = new MockSplFileInfo(array(
+            'name' => 'a.dat',
+            'relativePathname' => 'A'.DIRECTORY_SEPARATOR.'a.dat',
+        ));
+
+        //PATH:   copy/A/B/C/abc.dat.copy
+        $inner[] = new MockSplFileInfo(array(
+            'name' => 'abc.dat.copy',
+            'relativePathname' => 'copy'.DIRECTORY_SEPARATOR.'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'C'.DIRECTORY_SEPARATOR.'abc.dat',
+        ));
+
+        //PATH:   copy/A/B/ab.dat.copy
+        $inner[] = new MockSplFileInfo(array(
+            'name' => 'ab.dat.copy',
+            'relativePathname' => 'copy'.DIRECTORY_SEPARATOR.'A'.DIRECTORY_SEPARATOR.'B'.DIRECTORY_SEPARATOR.'ab.dat',
+        ));
+
+        //PATH:   copy/A/a.dat.copy
+        $inner[] = new MockSplFileInfo(array(
+            'name' => 'a.dat.copy',
+            'relativePathname' => 'copy'.DIRECTORY_SEPARATOR.'A'.DIRECTORY_SEPARATOR.'a.dat',
+        ));
+
+        return array(
+            array($inner, array('/^A/'),       array(), array('abc.dat', 'ab.dat', 'a.dat')),
+            array($inner, array('/^A\/B/'),    array(), array('abc.dat', 'ab.dat')),
+            array($inner, array('/^A\/B\/C/'), array(), array('abc.dat')),
+            array($inner, array('/A\/B\/C/'),  array(), array('abc.dat', 'abc.dat.copy')),
+
+            array($inner, array('A'),      array(), array('abc.dat', 'ab.dat', 'a.dat', 'abc.dat.copy', 'ab.dat.copy', 'a.dat.copy')),
+            array($inner, array('A/B'),    array(), array('abc.dat', 'ab.dat', 'abc.dat.copy', 'ab.dat.copy')),
+            array($inner, array('A/B/C'),  array(), array('abc.dat', 'abc.dat.copy')),
+
+            array($inner, array('copy/A'),      array(), array('abc.dat.copy', 'ab.dat.copy', 'a.dat.copy')),
+            array($inner, array('copy/A/B'),    array(), array('abc.dat.copy', 'ab.dat.copy')),
+            array($inner, array('copy/A/B/C'),  array(), array('abc.dat.copy')),
+        );
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/RealIteratorTestCase.php b/vendor/symfony/finder/Tests/Iterator/RealIteratorTestCase.php
new file mode 100644
index 00000000..94253c7e
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/RealIteratorTestCase.php
@@ -0,0 +1,110 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+abstract class RealIteratorTestCase extends IteratorTestCase
+{
+    protected static $tmpDir;
+    protected static $files;
+
+    public static function setUpBeforeClass()
+    {
+        self::$tmpDir = realpath(sys_get_temp_dir()).DIRECTORY_SEPARATOR.'symfony_finder';
+
+        self::$files = array(
+            '.git/',
+            '.foo/',
+            '.foo/.bar',
+            '.foo/bar',
+            '.bar',
+            'test.py',
+            'foo/',
+            'foo/bar.tmp',
+            'test.php',
+            'toto/',
+            'toto/.git/',
+            'foo bar',
+        );
+
+        self::$files = self::toAbsolute(self::$files);
+
+        if (is_dir(self::$tmpDir)) {
+            self::tearDownAfterClass();
+        } else {
+            mkdir(self::$tmpDir);
+        }
+
+        foreach (self::$files as $file) {
+            if (DIRECTORY_SEPARATOR === $file[strlen($file) - 1]) {
+                mkdir($file);
+            } else {
+                touch($file);
+            }
+        }
+
+        file_put_contents(self::toAbsolute('test.php'), str_repeat(' ', 800));
+        file_put_contents(self::toAbsolute('test.py'), str_repeat(' ', 2000));
+
+        touch(self::toAbsolute('foo/bar.tmp'), strtotime('2005-10-15'));
+        touch(self::toAbsolute('test.php'), strtotime('2005-10-15'));
+    }
+
+    public static function tearDownAfterClass()
+    {
+        foreach (array_reverse(self::$files) as $file) {
+            if (DIRECTORY_SEPARATOR === $file[strlen($file) - 1]) {
+                @rmdir($file);
+            } else {
+                @unlink($file);
+            }
+        }
+    }
+
+    protected static function toAbsolute($files = null)
+    {
+        /*
+         * Without the call to setUpBeforeClass() property can be null.
+         */
+        if (!self::$tmpDir) {
+            self::$tmpDir = realpath(sys_get_temp_dir()).DIRECTORY_SEPARATOR.'symfony_finder';
+        }
+
+        if (is_array($files)) {
+            $f = array();
+            foreach ($files as $file) {
+                if (is_array($file)) {
+                    $f[] = self::toAbsolute($file);
+                } else {
+                    $f[] = self::$tmpDir.DIRECTORY_SEPARATOR.str_replace('/', DIRECTORY_SEPARATOR, $file);
+                }
+            }
+
+            return $f;
+        }
+
+        if (is_string($files)) {
+            return self::$tmpDir.DIRECTORY_SEPARATOR.str_replace('/', DIRECTORY_SEPARATOR, $files);
+        }
+
+        return self::$tmpDir;
+    }
+
+    protected static function toAbsoluteFixtures($files)
+    {
+        $f = array();
+        foreach ($files as $file) {
+            $f[] = realpath(__DIR__.DIRECTORY_SEPARATOR.'..'.DIRECTORY_SEPARATOR.'Fixtures'.DIRECTORY_SEPARATOR.$file);
+        }
+
+        return $f;
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/RecursiveDirectoryIteratorTest.php b/vendor/symfony/finder/Tests/Iterator/RecursiveDirectoryIteratorTest.php
new file mode 100644
index 00000000..3a3ddc4d
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/RecursiveDirectoryIteratorTest.php
@@ -0,0 +1,59 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+use Symfony\Component\Finder\Iterator\RecursiveDirectoryIterator;
+
+class RecursiveDirectoryIteratorTest extends IteratorTestCase
+{
+    /**
+     * @group network
+     */
+    public function testRewindOnFtp()
+    {
+        try {
+            $i = new RecursiveDirectoryIterator('ftp://speedtest.tele2.net/', \RecursiveDirectoryIterator::SKIP_DOTS);
+        } catch (\UnexpectedValueException $e) {
+            $this->markTestSkipped('Unsupported stream "ftp".');
+        }
+
+        $i->rewind();
+
+        $this->assertTrue(true);
+    }
+
+    /**
+     * @group network
+     */
+    public function testSeekOnFtp()
+    {
+        try {
+            $i = new RecursiveDirectoryIterator('ftp://speedtest.tele2.net/', \RecursiveDirectoryIterator::SKIP_DOTS);
+        } catch (\UnexpectedValueException $e) {
+            $this->markTestSkipped('Unsupported stream "ftp".');
+        }
+
+        $contains = array(
+            'ftp://speedtest.tele2.net'.DIRECTORY_SEPARATOR.'1000GB.zip',
+            'ftp://speedtest.tele2.net'.DIRECTORY_SEPARATOR.'100GB.zip',
+        );
+        $actual = array();
+
+        $i->seek(0);
+        $actual[] = $i->getPathname();
+
+        $i->seek(1);
+        $actual[] = $i->getPathname();
+
+        $this->assertEquals($contains, $actual);
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/SizeRangeFilterIteratorTest.php b/vendor/symfony/finder/Tests/Iterator/SizeRangeFilterIteratorTest.php
new file mode 100644
index 00000000..6d75b0f2
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/SizeRangeFilterIteratorTest.php
@@ -0,0 +1,69 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+use Symfony\Component\Finder\Iterator\SizeRangeFilterIterator;
+use Symfony\Component\Finder\Comparator\NumberComparator;
+
+class SizeRangeFilterIteratorTest extends RealIteratorTestCase
+{
+    /**
+     * @dataProvider getAcceptData
+     */
+    public function testAccept($size, $expected)
+    {
+        $inner = new InnerSizeIterator(self::$files);
+
+        $iterator = new SizeRangeFilterIterator($inner, $size);
+
+        $this->assertIterator($expected, $iterator);
+    }
+
+    public function getAcceptData()
+    {
+        $lessThan1KGreaterThan05K = array(
+            '.foo',
+            '.git',
+            'foo',
+            'test.php',
+            'toto',
+            'toto/.git',
+        );
+
+        return array(
+            array(array(new NumberComparator('< 1K'), new NumberComparator('> 0.5K')), $this->toAbsolute($lessThan1KGreaterThan05K)),
+        );
+    }
+}
+
+class InnerSizeIterator extends \ArrayIterator
+{
+    public function current()
+    {
+        return new \SplFileInfo(parent::current());
+    }
+
+    public function getFilename()
+    {
+        return parent::current();
+    }
+
+    public function isFile()
+    {
+        return $this->current()->isFile();
+    }
+
+    public function getSize()
+    {
+        return $this->current()->getSize();
+    }
+}
diff --git a/vendor/symfony/finder/Tests/Iterator/SortableIteratorTest.php b/vendor/symfony/finder/Tests/Iterator/SortableIteratorTest.php
new file mode 100644
index 00000000..444654a2
--- /dev/null
+++ b/vendor/symfony/finder/Tests/Iterator/SortableIteratorTest.php
@@ -0,0 +1,183 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Component\Finder\Tests\Iterator;
+
+use Symfony\Component\Finder\Iterator\SortableIterator;
+
+class SortableIteratorTest extends RealIteratorTestCase
+{
+    public function testConstructor()
+    {
+        try {
+            new SortableIterator(new Iterator(array()), 'foobar');
+            $this->fail('__construct() throws an \InvalidArgumentException exception if the mode is not valid');
+        } catch (\Exception $e) {
+            $this->assertInstanceOf('InvalidArgumentException', $e, '__construct() throws an \InvalidArgumentException exception if the mode is not valid');
+        }
+    }
+
+    /**
+     * @dataProvider getAcceptData
+     */
+    public function testAccept($mode, $expected)
+    {
+        if (!is_callable($mode)) {
+            switch ($mode) {
+                case SortableIterator::SORT_BY_ACCESSED_TIME:
+                    if ('\\' === DIRECTORY_SEPARATOR) {
+                        touch(self::toAbsolute('.git'));
+                    } else {
+                        file_get_contents(self::toAbsolute('.git'));
+                    }
+                    sleep(1);
+                    file_get_contents(self::toAbsolute('.bar'));
+                    break;
+                case SortableIterator::SORT_BY_CHANGED_TIME:
+                    file_put_contents(self::toAbsolute('test.php'), 'foo');
+                    sleep(1);
+                    file_put_contents(self::toAbsolute('test.py'), 'foo');
+                    break;
+                case SortableIterator::SORT_BY_MODIFIED_TIME:
+                    file_put_contents(self::toAbsolute('test.php'), 'foo');
+                    sleep(1);
+                    file_put_contents(self::toAbsolute('test.py'), 'foo');
+                    break;
+            }
+        }
+
+        $inner = new Iterator(self::$files);
+
+        $iterator = new SortableIterator($inner, $mode);
+
+        if (SortableIterator::SORT_BY_ACCESSED_TIME === $mode
+            || SortableIterator::SORT_BY_CHANGED_TIME === $mode
+            || SortableIterator::SORT_BY_MODIFIED_TIME === $mode
+        ) {
+            if ('\\' === DIRECTORY_SEPARATOR && SortableIterator::SORT_BY_MODIFIED_TIME !== $mode) {
+                $this->markTestSkipped('Sorting by atime or ctime is not supported on Windows');
+            }
+            $this->assertOrderedIteratorForGroups($expected, $iterator);
+        } else {
+            $this->assertOrderedIterator($expected, $iterator);
+        }
+    }
+
+    public function getAcceptData()
+    {
+        $sortByName = array(
+            '.bar',
+            '.foo',
+            '.foo/.bar',
+            '.foo/bar',
+            '.git',
+            'foo',
+            'foo bar',
+            'foo/bar.tmp',
+            'test.php',
+            'test.py',
+            'toto',
+            'toto/.git',
+        );
+
+        $sortByType = array(
+            '.foo',
+            '.git',
+            'foo',
+            'toto',
+            'toto/.git',
+            '.bar',
+            '.foo/.bar',
+            '.foo/bar',
+            'foo bar',
+            'foo/bar.tmp',
+            'test.php',
+            'test.py',
+        );
+
+        $customComparison = array(
+            '.bar',
+            '.foo',
+            '.foo/.bar',
+            '.foo/bar',
+            '.git',
+            'foo',
+            'foo bar',
+            'foo/bar.tmp',
+            'test.php',
+            'test.py',
+            'toto',
+            'toto/.git',
+        );
+
+        $sortByAccessedTime = array(
+            // For these two files the access time was set to 2005-10-15
+            array('foo/bar.tmp', 'test.php'),
+            // These files were created more or less at the same time
+            array(
+                '.git',
+                '.foo',
+                '.foo/.bar',
+                '.foo/bar',
+                'test.py',
+                'foo',
+                'toto',
+                'toto/.git',
+                'foo bar',
+            ),
+            // This file was accessed after sleeping for 1 sec
+            array('.bar'),
+        );
+
+        $sortByChangedTime = array(
+            array(
+                '.git',
+                '.foo',
+                '.foo/.bar',
+                '.foo/bar',
+                '.bar',
+                'foo',
+                'foo/bar.tmp',
+                'toto',
+                'toto/.git',
+                'foo bar',
+            ),
+            array('test.php'),
+            array('test.py'),
+        );
+
+        $sortByModifiedTime = array(
+            array(
+                '.git',
+                '.foo',
+                '.foo/.bar',
+                '.foo/bar',
+                '.bar',
+                'foo',
+                'foo/bar.tmp',
+                'toto',
+                'toto/.git',
+                'foo bar',
+            ),
+            array('test.php'),
+            array('test.py'),
+        );
+
+        return array(
+            array(SortableIterator::SORT_BY_NAME, $this->toAbsolute($sortByName)),
+            array(SortableIterator::SORT_BY_TYPE, $this->toAbsolute($sortByType)),
+            array(SortableIterator::SORT_BY_ACCESSED_TIME, $this->toAbsolute($sortByAccessedTime)),
+            array(SortableIterator::SORT_BY_CHANGED_TIME, $this->toAbsolute($sortByChangedTime)),
+            array(SortableIterator::SORT_BY_MODIFIED_TIME, $this->toAbsolute($sortByModifiedTime)),
+            array(function (\SplFileInfo $a, \SplFileInfo $b) { return strcmp($a->getRealPath(), $b->getRealPath()); }, $this->toAbsolute($customComparison)),
+        );
+    }
+}
diff --git a/vendor/symfony/finder/composer.json b/vendor/symfony/finder/composer.json
new file mode 100644
index 00000000..de19826f
--- /dev/null
+++ b/vendor/symfony/finder/composer.json
@@ -0,0 +1,33 @@
+{
+    "name": "symfony/finder",
+    "type": "library",
+    "description": "Symfony Finder Component",
+    "keywords": [],
+    "homepage": "https://symfony.com",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "Fabien Potencier",
+            "email": "fabien@symfony.com"
+        },
+        {
+            "name": "Symfony Community",
+            "homepage": "https://symfony.com/contributors"
+        }
+    ],
+    "require": {
+        "php": "^5.5.9|>=7.0.8"
+    },
+    "autoload": {
+        "psr-4": { "Symfony\\Component\\Finder\\": "" },
+        "exclude-from-classmap": [
+            "/Tests/"
+        ]
+    },
+    "minimum-stability": "dev",
+    "extra": {
+        "branch-alias": {
+            "dev-master": "3.4-dev"
+        }
+    }
+}
diff --git a/vendor/symfony/finder/phpunit.xml.dist b/vendor/symfony/finder/phpunit.xml.dist
new file mode 100644
index 00000000..0e1a8669
--- /dev/null
+++ b/vendor/symfony/finder/phpunit.xml.dist
@@ -0,0 +1,30 @@
+<?xml version="1.0" encoding="UTF-8"?>
+
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/4.1/phpunit.xsd"
+         backupGlobals="false"
+         colors="true"
+         bootstrap="vendor/autoload.php"
+         failOnRisky="true"
+         failOnWarning="true"
+>
+    <php>
+        <ini name="error_reporting" value="-1" />
+    </php>
+
+    <testsuites>
+        <testsuite name="Symfony Finder Component Test Suite">
+            <directory>./Tests/</directory>
+        </testsuite>
+    </testsuites>
+
+    <filter>
+        <whitelist>
+            <directory>./</directory>
+            <exclude>
+                <directory>./Tests</directory>
+                <directory>./vendor</directory>
+            </exclude>
+        </whitelist>
+    </filter>
+</phpunit>