/usr/share/php/PHP/Compat/Function/property_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 property_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/property_exists
* @author Christian Stadler <webmaster@ragnarokonline.de>
* @version $Revision: 269597 $
* @since PHP 5.1.0
* @require PHP 4.0.0 (user_error)
*/
function php_compat_property_exists($class, $property)
{
if (!is_string($property)) {
user_error('property_exists() expects parameter 2 to be a string, ' .
gettype($property) . ' given', E_USER_WARNING);
return false;
}
if (is_object($class) || is_string($class)) {
if (is_string($class)) {
if (!class_exists($class)) {
return false;
}
$vars = get_class_vars($class);
} else {
$vars = get_object_vars($class);
}
// Bail out early if get_class_vars or get_object_vars didnt work
// or returned an empty array
if (!is_array($vars) || count($vars) <= 0) {
return false;
}
$property = strtolower($property);
foreach (array_keys($vars) AS $varname) {
if (strtolower($varname) == $property) {
return true;
}
}
return false;
}
user_error('property_exists() expects parameter 1 to be a string or ' .
'an object, ' . gettype($class) . ' given', E_USER_WARNING);
return false;
}
// Define
if (!function_exists('property_exists')) {
function property_exists($class, $property)
{
return php_compat_property_exists($class, $property);
}
}
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