/usr/share/php/PHP/Compat/Function/array_diff_key.php is in php-compat 1.6.0a3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 | <?php
/**
* Replace array_diff_key()
*
* @category PHP
* @package PHP_Compat
* @license LGPL - http://www.gnu.org/licenses/lgpl.html
* @copyright 2004-2007 Aidan Lister <aidan@php.net>, Arpad Ray <arpad@php.net>
* @link http://php.net/function.array_diff_key
* @author Tom Buskens <ortega@php.net>
* @version $Revision: 269597 $
* @since PHP 5.0.2
* @require PHP 4.0.0 (user_error)
*/
function php_compat_array_diff_key()
{
$args = func_get_args();
if (count($args) < 2) {
user_error('Wrong parameter count for array_diff_key()', E_USER_WARNING);
return;
}
// Check arrays
$array_count = count($args);
for ($i = 0; $i !== $array_count; $i++) {
if (!is_array($args[$i])) {
user_error('array_diff_key() Argument #' .
($i + 1) . ' is not an array', E_USER_WARNING);
return;
}
}
$result = $args[0];
if (function_exists('array_key_exists')) {
// Optimize for >= PHP 4.1.0
foreach ($args[0] as $key => $value) {
for ($i = 1; $i !== $array_count; $i++) {
if (array_key_exists($key,$args[$i])) {
unset($result[$key]);
break;
}
}
}
} else {
foreach ($args[0] as $key1 => $value1) {
for ($i = 1; $i !== $array_count; $i++) {
foreach ($args[$i] as $key2 => $value2) {
if ((string) $key1 === (string) $key2) {
unset($result[$key2]);
break 2;
}
}
}
}
}
return $result;
}
// Define
if (!function_exists('array_diff_key')) {
function array_diff_key()
{
$args = func_get_args();
return call_user_func_array('php_compat_array_diff_key', $args);
}
}
|