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