--TEST-- Test session_set_save_handler() function : error functionality --SKIPIF-- --FILE-- --EXPECTF-- *** Testing session_set_save_handler() : error functionality *** Warning: session_set_save_handler(): Argument 2 is not a valid callback in %s on line %d Warning: session_set_save_handler(): Argument 3 is not a valid callback in %s on line %d Warning: session_set_save_handler(): Argument 4 is not a valid callback in %s on line %d Warning: session_set_save_handler(): Argument 5 is not a valid callback in %s on line %d Warning: session_set_save_handler(): Argument 6 is not a valid callback in %s on line %d