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Diffstat (limited to '')
| -rw-r--r-- | include/php_compat/array_intersect_key.php | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/include/php_compat/array_intersect_key.php b/include/php_compat/array_intersect_key.php new file mode 100644 index 000000000..748b8f6f1 --- /dev/null +++ b/include/php_compat/array_intersect_key.php @@ -0,0 +1,35 @@ +<?php +// http://www.php.net/manual/en/function.array-intersect-key.php +// PHP 5 >= 5.1.0RC1 +function array_intersect_key() +{ + $args = func_get_args(); + if (count($args) < 2) { + trigger_error('Wrong parameter count for array_intersect_key()', E_USER_WARNING); + return; + } + + // Check arrays + $array_count = count($args); + for ($i = 0; $i !== $array_count; $i++) { + if (!is_array($args[$i])) { + trigger_error('array_intersect_key() Argument #' . ($i + 1) . ' is not an array', E_USER_WARNING); + return; + } + } + + // Compare entries + $result = array(); + foreach ($args[0] as $key1 => $value1) { + for ($i = 1; $i !== $array_count; $i++) { + foreach ($args[$i] as $key2 => $value2) { + if ((string) $key1 === (string) $key2) { + $result[$key1] = $value1; + } + } + } + } + + return $result; +} +?>
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