);   assertEquals($list0, array('Kirk', 'Spock'), 'remove last list');   $list0 = array('Kirk', 'Spock', 'McCoy');   array_pop(true ? $list0 : null);   assertEquals($list0, array('Kirk', 'Spock'), 'remove last order list');   $list0 = array('Kirk', 'Spock', 'McCoy');   lists_remove_random_item(