/usr/share/php/PHP/Compat/Function/array_diff_assoc.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.
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/**
* Replace array_diff_assoc()
*
* @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_assoc
* @author Aidan Lister <aidan@php.net>
* @version $Revision: 269597 $
* @since PHP 4.3.0
* @require PHP 4.0.0 (user_error)
*/
function php_compat_array_diff_assoc()
{
// Check we have enough arguments
$args = func_get_args();
$count = count($args);
if (count($args) < 2) {
user_error('Wrong parameter count for array_diff_assoc()', E_USER_WARNING);
return;
}
// Check arrays
for ($i = 0; $i < $count; $i++) {
if (!is_array($args[$i])) {
user_error('array_diff_assoc() Argument #' .
($i + 1) . ' is not an array', E_USER_WARNING);
return;
}
}
// Get the comparison array
$array_comp = array_shift($args);
--$count;
// Traverse values of the first array
foreach ($array_comp as $key => $value) {
// Loop through the other arrays
for ($i = 0; $i < $count; $i++) {
// Loop through this arrays key/value pairs and compare
foreach ($args[$i] as $comp_key => $comp_value) {
if ((string)$key === (string)$comp_key &&
(string)$value === (string)$comp_value)
{
unset($array_comp[$key]);
}
}
}
}
return $array_comp;
}
// Define
if (!function_exists('array_diff_assoc')) {
function array_diff_assoc()
{
$args = func_get_args();
return call_user_func_array('php_compat_array_diff_assoc', $args);
}
}
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