1--TEST--
2Test preg_match() function : error conditions - bad regular expressions
3--FILE--
4<?php
5/* Function is implemented in ext/pcre/php_pcre.c */
6/*
7 * Testing how preg_match reacts to being passed the wrong type of regex argument
8 */
9$regex_array = [
10    'abcdef', //Regex without delimiter
11    '/[a-zA-Z]', //Regex without closing delimiter
12    '[a-zA-Z]/', //Regex without opening delimiter
13    '/[a-zA-Z]/F',
14    [
15        '[a-z]', //Array of Regexes
16        '[A-Z]',
17        '[0-9]',
18    ],
19    '/[a-zA-Z]/', //Regex string
20];
21$subject = 'this is a test';
22foreach ($regex_array as $regex_value) {
23    try {
24        var_dump(preg_match($regex_value, $subject));
25    } catch (TypeError $e) {
26        echo $e->getMessage(), "\n";
27    }
28}
29$regex_value = new stdclass(); //Object
30try {
31    var_dump(preg_match($regex_value, $subject));
32} catch (TypeError $e) {
33    echo $e->getMessage(), "\n";
34}
35
36?>
37--EXPECTF--
38
39Warning: preg_match(): Delimiter must not be alphanumeric, backslash, or NUL byte in %spreg_match_error1.php on line %d
40bool(false)
41
42Warning: preg_match(): No ending delimiter '/' found in %spreg_match_error1.php on line %d
43bool(false)
44
45Warning: preg_match(): Unknown modifier '/' in %spreg_match_error1.php on line %d
46bool(false)
47
48Warning: preg_match(): Unknown modifier 'F' in %spreg_match_error1.php on line %d
49bool(false)
50preg_match(): Argument #1 ($pattern) must be of type string, array given
51int(1)
52preg_match(): Argument #1 ($pattern) must be of type string, stdClass given
53