1--TEST--
2Test mb_strpos() function : error conditions - Pass unknown encoding
3--SKIPIF--
4<?php
5extension_loaded('mbstring') or die('skip');
6function_exists('mb_strpos') or die("skip mb_strpos() is not available in this build");
7?>
8--FILE--
9<?php
10/*
11 * Pass an unknown encoding to mb_strpos() to test behaviour
12 */
13
14echo "*** Testing mb_strpos() : error conditions ***\n";
15$haystack = 'Hello, world';
16$needle = 'world';
17$offset = 2;
18$encoding = 'unknown-encoding';
19
20try {
21    var_dump( mb_strpos($haystack, $needle, $offset, $encoding) );
22} catch (\ValueError $e) {
23    echo $e->getMessage() . \PHP_EOL;
24}
25
26?>
27--EXPECT--
28*** Testing mb_strpos() : error conditions ***
29mb_strpos(): Argument #4 ($encoding) must be a valid encoding, "unknown-encoding" given
30