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authorFrederic Guillot <fred@kanboard.net>2017-10-25 16:22:10 -0700
committerFrederic Guillot <fred@kanboard.net>2017-10-25 16:22:10 -0700
commit9e2b2a32fd0e967ad3184e9a5d091a29953acb91 (patch)
tree00822e24aa1110c73ca455a8d096ef296c008cbc /vendor/ramsey/array_column/src/array_column.php
parentc507c5416251c505cb3e088a03c6664bed73c812 (diff)
Include composer dependencies in repo
Diffstat (limited to 'vendor/ramsey/array_column/src/array_column.php')
-rw-r--r--vendor/ramsey/array_column/src/array_column.php115
1 files changed, 115 insertions, 0 deletions
diff --git a/vendor/ramsey/array_column/src/array_column.php b/vendor/ramsey/array_column/src/array_column.php
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+++ b/vendor/ramsey/array_column/src/array_column.php
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+<?php
+/**
+ * This file is part of the array_column library
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ *
+ * @copyright Copyright (c) Ben Ramsey (http://benramsey.com)
+ * @license http://opensource.org/licenses/MIT MIT
+ */
+
+if (!function_exists('array_column')) {
+ /**
+ * Returns the values from a single column of the input array, identified by
+ * the $columnKey.
+ *
+ * Optionally, you may provide an $indexKey to index the values in the returned
+ * array by the values from the $indexKey column in the input array.
+ *
+ * @param array $input A multi-dimensional array (record set) from which to pull
+ * a column of values.
+ * @param mixed $columnKey The column of values to return. This value may be the
+ * integer key of the column you wish to retrieve, or it
+ * may be the string key name for an associative array.
+ * @param mixed $indexKey (Optional.) The column to use as the index/keys for
+ * the returned array. This value may be the integer key
+ * of the column, or it may be the string key name.
+ * @return array
+ */
+ function array_column($input = null, $columnKey = null, $indexKey = null)
+ {
+ // Using func_get_args() in order to check for proper number of
+ // parameters and trigger errors exactly as the built-in array_column()
+ // does in PHP 5.5.
+ $argc = func_num_args();
+ $params = func_get_args();
+
+ if ($argc < 2) {
+ trigger_error("array_column() expects at least 2 parameters, {$argc} given", E_USER_WARNING);
+ return null;
+ }
+
+ if (!is_array($params[0])) {
+ trigger_error(
+ 'array_column() expects parameter 1 to be array, ' . gettype($params[0]) . ' given',
+ E_USER_WARNING
+ );
+ return null;
+ }
+
+ if (!is_int($params[1])
+ && !is_float($params[1])
+ && !is_string($params[1])
+ && $params[1] !== null
+ && !(is_object($params[1]) && method_exists($params[1], '__toString'))
+ ) {
+ trigger_error('array_column(): The column key should be either a string or an integer', E_USER_WARNING);
+ return false;
+ }
+
+ if (isset($params[2])
+ && !is_int($params[2])
+ && !is_float($params[2])
+ && !is_string($params[2])
+ && !(is_object($params[2]) && method_exists($params[2], '__toString'))
+ ) {
+ trigger_error('array_column(): The index key should be either a string or an integer', E_USER_WARNING);
+ return false;
+ }
+
+ $paramsInput = $params[0];
+ $paramsColumnKey = ($params[1] !== null) ? (string) $params[1] : null;
+
+ $paramsIndexKey = null;
+ if (isset($params[2])) {
+ if (is_float($params[2]) || is_int($params[2])) {
+ $paramsIndexKey = (int) $params[2];
+ } else {
+ $paramsIndexKey = (string) $params[2];
+ }
+ }
+
+ $resultArray = array();
+
+ foreach ($paramsInput as $row) {
+ $key = $value = null;
+ $keySet = $valueSet = false;
+
+ if ($paramsIndexKey !== null && array_key_exists($paramsIndexKey, $row)) {
+ $keySet = true;
+ $key = (string) $row[$paramsIndexKey];
+ }
+
+ if ($paramsColumnKey === null) {
+ $valueSet = true;
+ $value = $row;
+ } elseif (is_array($row) && array_key_exists($paramsColumnKey, $row)) {
+ $valueSet = true;
+ $value = $row[$paramsColumnKey];
+ }
+
+ if ($valueSet) {
+ if ($keySet) {
+ $resultArray[$key] = $value;
+ } else {
+ $resultArray[] = $value;
+ }
+ }
+
+ }
+
+ return $resultArray;
+ }
+
+}