1--TEST--
2Test mb_substr() function : error conditions - Pass an unknown encoding
3--SKIPIF--
4<?php
5extension_loaded('mbstring') or die('skip');
6function_exists('mb_substr') or die("skip mb_substr() is not available in this build");
7?>
8--FILE--
9<?php
10/* Prototype  : string mb_substr(string $str, int $start [, int $length [, string $encoding]])
11 * Description: Returns part of a string
12 * Source code: ext/mbstring/mbstring.c
13 */
14
15/*
16 * Pass an unknown encoding to mb_substr() to test behaviour
17 */
18
19echo "*** Testing mb_substr() : error conditions ***\n";
20
21$str = 'Hello, world';
22$start = 1;
23$length = 5;
24$encoding = 'unknown-encoding';
25
26var_dump( mb_substr($str, $start, $length, $encoding));
27
28echo "Done";
29?>
30--EXPECTF--
31*** Testing mb_substr() : error conditions ***
32
33Warning: mb_substr(): Unknown encoding "unknown-encoding" in %s on line %d
34bool(false)
35Done
36