1--TEST--
2readline_clear_history(): Basic test
3--SKIPIF--
4<?php if (!extension_loaded("readline")) die("skip"); ?>
5--FILE--
6<?php
7
8var_dump(readline_clear_history());
9var_dump(readline_clear_history(1));
10
11?>
12--EXPECTF--
13bool(true)
14
15Warning: readline_clear_history() expects exactly 0 parameters, 1 given in %s on line %d
16NULL
17