Kanboard requires at least PHP 5.6 now

1 files changed, 384 insertions, 0 deletions

diff --git a/vendor/symfony/debug/DebugClassLoader.php b/vendor/symfony/debug/DebugClassLoader.php
new file mode 100644
index 00000000..9ff826ed
--- /dev/null
+++ b/vendor/symfony/debug/DebugClassLoader.php
@@ -0,0 +1,384 @@
+<?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\Debug;
+
+/**
+ * Autoloader checking if the class is really defined in the file found.
+ *
+ * The ClassLoader will wrap all registered autoloaders
+ * and will throw an exception if a file is found but does
+ * not declare the class.
+ *
+ * @author Fabien Potencier <fabien@symfony.com>
+ * @author Christophe Coevoet <stof@notk.org>
+ * @author Nicolas Grekas <p@tchwork.com>
+ */
+class DebugClassLoader
+{
+    private $classLoader;
+    private $isFinder;
+    private $loaded = array();
+    private static $caseCheck;
+    private static $final = array();
+    private static $finalMethods = array();
+    private static $deprecated = array();
+    private static $internal = array();
+    private static $internalMethods = array();
+    private static $php7Reserved = array('int', 'float', 'bool', 'string', 'true', 'false', 'null');
+    private static $darwinCache = array('/' => array('/', array()));
+
+    public function __construct(callable $classLoader)
+    {
+        $this->classLoader = $classLoader;
+        $this->isFinder = is_array($classLoader) && method_exists($classLoader[0], 'findFile');
+
+        if (!isset(self::$caseCheck)) {
+            $file = file_exists(__FILE__) ? __FILE__ : rtrim(realpath('.'), DIRECTORY_SEPARATOR);
+            $i = strrpos($file, DIRECTORY_SEPARATOR);
+            $dir = substr($file, 0, 1 + $i);
+            $file = substr($file, 1 + $i);
+            $test = strtoupper($file) === $file ? strtolower($file) : strtoupper($file);
+            $test = realpath($dir.$test);
+
+            if (false === $test || false === $i) {
+                // filesystem is case sensitive
+                self::$caseCheck = 0;
+            } elseif (substr($test, -strlen($file)) === $file) {
+                // filesystem is case insensitive and realpath() normalizes the case of characters
+                self::$caseCheck = 1;
+            } elseif (false !== stripos(PHP_OS, 'darwin')) {
+                // on MacOSX, HFS+ is case insensitive but realpath() doesn't normalize the case of characters
+                self::$caseCheck = 2;
+            } else {
+                // filesystem case checks failed, fallback to disabling them
+                self::$caseCheck = 0;
+            }
+        }
+    }
+
+    /**
+     * Gets the wrapped class loader.
+     *
+     * @return callable The wrapped class loader
+     */
+    public function getClassLoader()
+    {
+        return $this->classLoader;
+    }
+
+    /**
+     * Wraps all autoloaders.
+     */
+    public static function enable()
+    {
+        // Ensures we don't hit https://bugs.php.net/42098
+        class_exists('Symfony\Component\Debug\ErrorHandler');
+        class_exists('Psr\Log\LogLevel');
+
+        if (!is_array($functions = spl_autoload_functions())) {
+            return;
+        }
+
+        foreach ($functions as $function) {
+            spl_autoload_unregister($function);
+        }
+
+        foreach ($functions as $function) {
+            if (!is_array($function) || !$function[0] instanceof self) {
+                $function = array(new static($function), 'loadClass');
+            }
+
+            spl_autoload_register($function);
+        }
+    }
+
+    /**
+     * Disables the wrapping.
+     */
+    public static function disable()
+    {
+        if (!is_array($functions = spl_autoload_functions())) {
+            return;
+        }
+
+        foreach ($functions as $function) {
+            spl_autoload_unregister($function);
+        }
+
+        foreach ($functions as $function) {
+            if (is_array($function) && $function[0] instanceof self) {
+                $function = $function[0]->getClassLoader();
+            }
+
+            spl_autoload_register($function);
+        }
+    }
+
+    /**
+     * Loads the given class or interface.
+     *
+     * @param string $class The name of the class
+     *
+     * @return bool|null True, if loaded
+     *
+     * @throws \RuntimeException
+     */
+    public function loadClass($class)
+    {
+        $e = error_reporting(error_reporting() | E_PARSE | E_ERROR | E_CORE_ERROR | E_COMPILE_ERROR);
+
+        try {
+            if ($this->isFinder && !isset($this->loaded[$class])) {
+                $this->loaded[$class] = true;
+                if ($file = $this->classLoader[0]->findFile($class)) {
+                    require $file;
+                }
+            } else {
+                call_user_func($this->classLoader, $class);
+                $file = false;
+            }
+        } finally {
+            error_reporting($e);
+        }
+
+        $exists = class_exists($class, false) || interface_exists($class, false) || trait_exists($class, false);
+
+        if ($class && '\\' === $class[0]) {
+            $class = substr($class, 1);
+        }
+
+        if ($exists) {
+            $refl = new \ReflectionClass($class);
+            $name = $refl->getName();
+
+            if ($name !== $class && 0 === strcasecmp($name, $class)) {
+                throw new \RuntimeException(sprintf('Case mismatch between loaded and declared class names: "%s" vs "%s".', $class, $name));
+            }
+
+            // Don't trigger deprecations for classes in the same vendor
+            if (2 > $len = 1 + (strpos($name, '\\') ?: strpos($name, '_'))) {
+                $len = 0;
+                $ns = '';
+            } else {
+                $ns = substr($name, 0, $len);
+            }
+
+            // Detect annotations on the class
+            if (false !== $doc = $refl->getDocComment()) {
+                foreach (array('final', 'deprecated', 'internal') as $annotation) {
+                    if (false !== strpos($doc, '@'.$annotation) && preg_match('#\n \* @'.$annotation.'(?:( .+?)\.?)?\r?\n \*(?: @|/$)#s', $doc, $notice)) {
+                        self::${$annotation}[$name] = isset($notice[1]) ? preg_replace('#\s*\r?\n \* +#', ' ', $notice[1]) : '';
+                    }
+                }
+            }
+
+            $parentAndTraits = class_uses($name, false);
+            if ($parent = get_parent_class($class)) {
+                $parentAndTraits[] = $parent;
+
+                if (isset(self::$final[$parent])) {
+                    @trigger_error(sprintf('The "%s" class is considered final%s. It may change without further notice as of its next major version. You should not extend it from "%s".', $parent, self::$final[$parent], $name), E_USER_DEPRECATED);
+                }
+            }
+
+            // Detect if the parent is annotated
+            foreach ($parentAndTraits + $this->getOwnInterfaces($name, $parent) as $use) {
+                if (isset(self::$deprecated[$use]) && strncmp($ns, $use, $len)) {
+                    $type = class_exists($name, false) ? 'class' : (interface_exists($name, false) ? 'interface' : 'trait');
+                    $verb = class_exists($use, false) || interface_exists($name, false) ? 'extends' : (interface_exists($use, false) ? 'implements' : 'uses');
+
+                    @trigger_error(sprintf('The "%s" %s %s "%s" that is deprecated%s.', $name, $type, $verb, $use, self::$deprecated[$use]), E_USER_DEPRECATED);
+                }
+                if (isset(self::$internal[$use]) && strncmp($ns, $use, $len)) {
+                    @trigger_error(sprintf('The "%s" %s is considered internal%s. It may change without further notice. You should not use it from "%s".', $use, class_exists($use, false) ? 'class' : (interface_exists($use, false) ? 'interface' : 'trait'), self::$internal[$use], $name), E_USER_DEPRECATED);
+                }
+            }
+
+            // Inherit @final and @internal annotations for methods
+            self::$finalMethods[$name] = array();
+            self::$internalMethods[$name] = array();
+            foreach ($parentAndTraits as $use) {
+                foreach (array('finalMethods', 'internalMethods') as $property) {
+                    if (isset(self::${$property}[$use])) {
+                        self::${$property}[$name] = array_merge(self::${$property}[$name], self::${$property}[$use]);
+                    }
+                }
+            }
+
+            $isClass = class_exists($name, false);
+            foreach ($refl->getMethods(\ReflectionMethod::IS_PUBLIC | \ReflectionMethod::IS_PROTECTED) as $method) {
+                if ($method->class !== $name) {
+                    continue;
+                }
+
+                // Method from a trait
+                if ($method->getFilename() !== $refl->getFileName()) {
+                    continue;
+                }
+
+                if ($isClass && $parent && isset(self::$finalMethods[$parent][$method->name])) {
+                    list($declaringClass, $message) = self::$finalMethods[$parent][$method->name];
+                    @trigger_error(sprintf('The "%s::%s()" method is considered final%s. It may change without further notice as of its next major version. You should not extend it from "%s".', $declaringClass, $method->name, $message, $name), E_USER_DEPRECATED);
+                }
+
+                foreach ($parentAndTraits as $use) {
+                    if (isset(self::$internalMethods[$use][$method->name])) {
+                        list($declaringClass, $message) = self::$internalMethods[$use][$method->name];
+                        if (strncmp($ns, $declaringClass, $len)) {
+                            @trigger_error(sprintf('The "%s::%s()" method is considered internal%s. It may change without further notice. You should not extend it from "%s".', $declaringClass, $method->name, $message, $name), E_USER_DEPRECATED);
+                        }
+                    }
+                }
+
+                // Detect method annotations
+                if (false === $doc = $method->getDocComment()) {
+                    continue;
+                }
+
+                foreach (array('final', 'internal') as $annotation) {
+                    if (false !== strpos($doc, '@'.$annotation) && preg_match('#\n\s+\* @'.$annotation.'(?:( .+?)\.?)?\r?\n\s+\*(?: @|/$)#s', $doc, $notice)) {
+                        $message = isset($notice[1]) ? preg_replace('#\s*\r?\n \* +#', ' ', $notice[1]) : '';
+                        self::${$annotation.'Methods'}[$name][$method->name] = array($name, $message);
+                    }
+                }
+            }
+
+            if (in_array(strtolower($refl->getShortName()), self::$php7Reserved)) {
+                @trigger_error(sprintf('The "%s" class uses the reserved name "%s", it will break on PHP 7 and higher', $name, $refl->getShortName()), E_USER_DEPRECATED);
+            }
+        }
+
+        if ($file) {
+            if (!$exists) {
+                if (false !== strpos($class, '/')) {
+                    throw new \RuntimeException(sprintf('Trying to autoload a class with an invalid name "%s". Be careful that the namespace separator is "\" in PHP, not "/".', $class));
+                }
+
+                throw new \RuntimeException(sprintf('The autoloader expected class "%s" to be defined in file "%s". The file was found but the class was not in it, the class name or namespace probably has a typo.', $class, $file));
+            }
+            if (self::$caseCheck) {
+                $real = explode('\\', $class.strrchr($file, '.'));
+                $tail = explode(DIRECTORY_SEPARATOR, str_replace('/', DIRECTORY_SEPARATOR, $file));
+
+                $i = count($tail) - 1;
+                $j = count($real) - 1;
+
+                while (isset($tail[$i], $real[$j]) && $tail[$i] === $real[$j]) {
+                    --$i;
+                    --$j;
+                }
+
+                array_splice($tail, 0, $i + 1);
+            }
+            if (self::$caseCheck && $tail) {
+                $tail = DIRECTORY_SEPARATOR.implode(DIRECTORY_SEPARATOR, $tail);
+                $tailLen = strlen($tail);
+                $real = $refl->getFileName();
+
+                if (2 === self::$caseCheck) {
+                    // realpath() on MacOSX doesn't normalize the case of characters
+
+                    $i = 1 + strrpos($real, '/');
+                    $file = substr($real, $i);
+                    $real = substr($real, 0, $i);
+
+                    if (isset(self::$darwinCache[$real])) {
+                        $kDir = $real;
+                    } else {
+                        $kDir = strtolower($real);
+
+                        if (isset(self::$darwinCache[$kDir])) {
+                            $real = self::$darwinCache[$kDir][0];
+                        } else {
+                            $dir = getcwd();
+                            chdir($real);
+                            $real = getcwd().'/';
+                            chdir($dir);
+
+                            $dir = $real;
+                            $k = $kDir;
+                            $i = strlen($dir) - 1;
+                            while (!isset(self::$darwinCache[$k])) {
+                                self::$darwinCache[$k] = array($dir, array());
+                                self::$darwinCache[$dir] = &self::$darwinCache[$k];
+
+                                while ('/' !== $dir[--$i]) {
+                                }
+                                $k = substr($k, 0, ++$i);
+                                $dir = substr($dir, 0, $i--);
+                            }
+                        }
+                    }
+
+                    $dirFiles = self::$darwinCache[$kDir][1];
+
+                    if (isset($dirFiles[$file])) {
+                        $kFile = $file;
+                    } else {
+                        $kFile = strtolower($file);
+
+                        if (!isset($dirFiles[$kFile])) {
+                            foreach (scandir($real, 2) as $f) {
+                                if ('.' !== $f[0]) {
+                                    $dirFiles[$f] = $f;
+                                    if ($f === $file) {
+                                        $kFile = $k = $file;
+                                    } elseif ($f !== $k = strtolower($f)) {
+                                        $dirFiles[$k] = $f;
+                                    }
+                                }
+                            }
+                            self::$darwinCache[$kDir][1] = $dirFiles;
+                        }
+                    }
+
+                    $real .= $dirFiles[$kFile];
+                }
+
+                if (0 === substr_compare($real, $tail, -$tailLen, $tailLen, true)
+                  && 0 !== substr_compare($real, $tail, -$tailLen, $tailLen, false)
+                ) {
+                    throw new \RuntimeException(sprintf('Case mismatch between class and real file names: "%s" vs "%s" in "%s".', substr($tail, -$tailLen + 1), substr($real, -$tailLen + 1), substr($real, 0, -$tailLen + 1)));
+                }
+            }
+
+            return true;
+        }
+    }
+
+    /**
+     * `class_implements` includes interfaces from the parents so we have to manually exclude them.
+     *
+     * @param string       $class
+     * @param string|false $parent
+     *
+     * @return string[]
+     */
+    private function getOwnInterfaces($class, $parent)
+    {
+        $ownInterfaces = class_implements($class, false);
+
+        if ($parent) {
+            foreach (class_implements($parent, false) as $interface) {
+                unset($ownInterfaces[$interface]);
+            }
+        }
+
+        foreach ($ownInterfaces as $interface) {
+            foreach (class_implements($interface) as $interface) {
+                unset($ownInterfaces[$interface]);
+            }
+        }
+
+        return $ownInterfaces;
+    }
+}