--TEST-- Test clone of DateTimeZone derived objects with __clone magic method --FILE-- <?php //Set the default time zone date_default_timezone_set("Europe/London"); class DateTimeZoneExt1 extends DateTimeZone { public function __clone() { echo "-- DateTimeExt1 __clone magic method called --\n"; } } echo "*** Testing clone of objects derived from DateTimeZone class with __clone magic method***\n"; $d1 = new DateTimeZoneExt1("America/New_York"); $d1_clone = clone $d1; //verify clone by calling method on new object var_dump( $d1_clone->getName() ); ?> ===DONE=== --EXPECTF-- *** Testing clone of objects derived from DateTimeZone class with __clone magic method*** -- DateTimeExt1 __clone magic method called -- string(16) "America/New_York" ===DONE===