PAL.C.T MINI SHELL
<?php
/**
* Replace array_udiff()
*
* @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_udiff
* @author Stephan Schmidt <schst@php.net>
* @author Aidan Lister <aidan@php.net>
* @version $Revision: 269597 $
* @since PHP 5
* @require PHP 4.0.6 (is_callable)
*/
function php_compat_array_udiff()
{
$args = func_get_args();
if (count($args) < 3) {
user_error('Wrong parameter count for array_udiff()', E_USER_WARNING);
return;
}
// Get compare function
$compare_func = array_pop($args);
if (!is_callable($compare_func)) {
if (is_array($compare_func)) {
$compare_func = $compare_func[0] . '::' . $compare_func[1];
}
user_error('array_udiff() Not a valid callback ' .
$compare_func, E_USER_WARNING);
return;
}
// Check arrays
$cnt = count($args);
for ($i = 0; $i < $cnt; $i++) {
if (!is_array($args[$i])) {
user_error('array_udiff() Argument #' .
($i + 1). ' is not an array', E_USER_WARNING);
return;
}
}
$diff = array ();
// Traverse values of the first array
foreach ($args[0] as $key => $value) {
// Check all arrays
for ($i = 1; $i < $cnt; $i++) {
foreach ($args[$i] as $cmp_value) {
$result = call_user_func($compare_func, $value, $cmp_value);
if ($result === 0) {
continue 3;
}
}
}
$diff[$key] = $value;
}
return $diff;
}
// Define
if (!function_exists('array_udiff')) {
function array_udiff()
{
$args = func_get_args();
return call_user_func_array('php_compat_array_udiff', $args);
}
}
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