1--TEST--
2Test preg_replace() function : error - bad regular expressions
3--FILE--
4<?php
5/*
6* proto string preg_replace(mixed regex, mixed replace, mixed subject [, int limit [, count]])
7* Function is implemented in ext/pcre/php_pcre.c
8*/
9error_reporting(E_ALL&~E_NOTICE);
10/*
11* Testing how preg_replace reacts to being passed the wrong type of regex argument
12*/
13echo "*** Testing preg_replace() : error conditions***\n";
14$regex_array = array('abcdef', //Regex without delimiter
15'/[a-zA-Z]', //Regex without closing delimiter
16'[a-zA-Z]/', //Regex without opening delimiter
17'/[a-zA-Z]/F', array('[a-z]', //Array of Regexes
18'[A-Z]', '[0-9]'), '/[a-zA-Z]/', //Regex string
19);
20$replace = 1;
21$subject = 'a';
22foreach($regex_array as $regex_value) {
23    print "\nArg value is $regex_value\n";
24    var_dump(preg_replace($regex_value, $replace, $subject));
25}
26$regex_value = new stdclass(); //Object
27var_dump(preg_replace($regex_value, $replace, $subject));
28?>
29--EXPECTF--
30*** Testing preg_replace() : error conditions***
31
32Arg value is abcdef
33
34Warning: preg_replace(): Delimiter must not be alphanumeric or backslash in %spreg_replace_error1.php on line %d
35NULL
36
37Arg value is /[a-zA-Z]
38
39Warning: preg_replace(): No ending delimiter '/' found in %spreg_replace_error1.php on line %d
40NULL
41
42Arg value is [a-zA-Z]/
43
44Warning: preg_replace(): Unknown modifier '/' in %spreg_replace_error1.php on line %d
45NULL
46
47Arg value is /[a-zA-Z]/F
48
49Warning: preg_replace(): Unknown modifier 'F' in %spreg_replace_error1.php on line %d
50NULL
51
52Arg value is Array
53string(1) "a"
54
55Arg value is /[a-zA-Z]/
56string(1) "1"
57
58Recoverable fatal error: Object of class stdClass could not be converted to string in %spreg_replace_error1.php on line %d
59