1--TEST--
2readline_callback_handler_install(): Basic test
3--EXTENSIONS--
4readline
5--SKIPIF--
6<?php if (!function_exists('readline_callback_handler_install')) die("skip");
7if (READLINE_LIB != "libedit") die("skip libedit only");
8?>
9--INI--
10zend.signal_check=0
11--FILE--
12<?php
13
14function foo() {
15    readline_callback_handler_remove();
16}
17
18var_dump(readline_callback_handler_install('testing: ', 'foo'));
19try {
20    var_dump(readline_callback_handler_install('testing: ', 'foobar!'));
21} catch (TypeError $e) {
22    echo $e->getMessage(), "\n";
23}
24
25?>
26--EXPECT--
27bool(true)
28readline_callback_handler_install(): Argument #2 ($callback) must be a valid callback, function "foobar!" not found or invalid function name
29