--TEST-- Test wrong number of arguments for flush() (no impact) --FILE-- <?php /* * proto void flush(void) * Function is implemented in ext/standard/basic_functions.c. */ $extra_arg = 1; echo "\nToo many arguments\n"; var_dump(flush($extra_arg)); ?> --EXPECTF-- Too many arguments Warning: flush() expects exactly 0 parameters, 1 given in %s on line %d NULL