/** The singleton instance
*/
- private static $instance;
+ private static $instance = null;
/** Initializes the MimeMagic object. This is called by MimeMagic::singleton().
*
* Get an instance of this class
* @return MimeMagic
*/
- public static function &singleton() {
+ public static function singleton() {
if ( self::$instance === null ) {
self::$instance = new MimeMagic;
}