1--TEST--
2Test preg_grep() function : error conditions - wrong arg types
3--FILE--
4<?php
5/*
6* proto array preg_grep(string regex, array input [, int flags])
7* Function is implemented in ext/pcre/php_pcre.c
8*/
9error_reporting(E_ALL&~E_NOTICE);
10/*
11* Testing how preg_grep reacts to being passed the wrong type of input argument
12*/
13echo "*** Testing preg_grep() : error conditions ***\n";
14$regex = '/[a-zA-Z]/';
15$input = array('this is a string', array('this is', 'a subarray'),);
16foreach($input as $value) {
17    print "\nArg value is: $value\n";
18    var_dump(preg_grep($regex, $value));
19}
20$value = new stdclass(); //Object
21var_dump(preg_grep($regex, $value));
22echo "Done";
23?>
24--EXPECTF--
25*** Testing preg_grep() : error conditions ***
26
27Arg value is: this is a string
28
29Warning: preg_grep() expects parameter 2 to be array, string given in %spreg_grep_error2.php on line %d
30NULL
31
32Arg value is: Array
33array(2) {
34  [0]=>
35  string(7) "this is"
36  [1]=>
37  string(10) "a subarray"
38}
39
40Warning: preg_grep() expects parameter 2 to be array, object given in %spreg_grep_error2.php on line %d
41NULL
42Done