--TEST-- readline_list_history(): Basic test --SKIPIF-- <?php if (!extension_loaded("readline") || !function_exists('readline_list_history')) die("skip"); ?> --FILE-- <?php var_dump(readline_list_history()); var_dump(readline_list_history(1)); ?> --EXPECTF-- array(0) { } Warning: readline_list_history() expects exactly 0 parameters, 1 given in %s on line %d NULL