/usr/share/php/PHP/Compat/Function/array_key_exists.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_key_exists()
*
* @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_key_exists
* @author Aidan Lister <aidan@php.net>
* @version $Revision: 269597 $
* @since PHP 4.1.0
* @require PHP 4.0.0 (user_error)
*/
function php_compat_array_key_exists($key, $search)
{
if (!is_scalar($key)) {
user_error('array_key_exists() The first argument should be either a string or an integer',
E_USER_WARNING);
return false;
}
if (is_object($search)) {
$search = get_object_vars($search);
}
if (!is_array($search)) {
user_error('array_key_exists() The second argument should be either an array or an object',
E_USER_WARNING);
return false;
}
return in_array($key, array_keys($search));
}
// Define
if (!function_exists('array_key_exists')) {
function array_key_exists($key, $search)
{
return php_compat_array_key_exists($key, $search);
}
}
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