1--TEST--
2Test preg_match_all() function : basic functionality
3--FILE--
4<?php
5/* Prototype  : proto int preg_match_all(string pattern, string subject, array subpatterns [, int flags [, int offset]])
6 * Description: Perform a Perl-style global regular expression match
7 * Source code: ext/pcre/php_pcre.c
8 * Alias to functions:
9*/
10
11$string = 'Hello, world! This is a test. This is another test. \[4]. 34534 string.';
12
13var_dump(preg_match_all('/[0-35-9]/', $string, $match1, PREG_OFFSET_CAPTURE|PREG_PATTERN_ORDER, -10));               	//finds any digit that's not 4 10 digits from the end(1 match)
14var_dump($match1);
15
16var_dump(preg_match_all('/[tT]his is a(.*?)\./', $string, $match2, PREG_SET_ORDER));    						//finds "This is a test." and "This is another test." (non-greedy) (2 matches)
17var_dump($match2);
18
19var_dump(preg_match_all('@\. \\\(.*).@', $string, $match3, PREG_PATTERN_ORDER));            				//finds ".\ [...]" and everything else to the end of the string. (greedy) (1 match)
20var_dump($match3);
21
22var_dump(preg_match_all('/\d{2}$/', $string, $match4));										//tries to find 2 digits at the end of a string (0 matches)
23var_dump($match4);
24
25var_dump(preg_match_all('/(This is a ){2}(.*)\stest/', $string, $match5));							//tries to find "This is aThis is a [...] test" (0 matches)
26var_dump($match5);
27?>
28--EXPECTF--
29int(1)
30array(1) {
31  [0]=>
32  array(1) {
33    [0]=>
34    array(2) {
35      [0]=>
36      string(1) "3"
37      [1]=>
38      int(61)
39    }
40  }
41}
42int(2)
43array(2) {
44  [0]=>
45  array(2) {
46    [0]=>
47    string(15) "This is a test."
48    [1]=>
49    string(5) " test"
50  }
51  [1]=>
52  array(2) {
53    [0]=>
54    string(21) "This is another test."
55    [1]=>
56    string(11) "nother test"
57  }
58}
59int(1)
60array(2) {
61  [0]=>
62  array(1) {
63    [0]=>
64    string(21) ". \[4]. 34534 string."
65  }
66  [1]=>
67  array(1) {
68    [0]=>
69    string(17) "[4]. 34534 string"
70  }
71}
72int(0)
73array(1) {
74  [0]=>
75  array(0) {
76  }
77}
78int(0)
79array(3) {
80  [0]=>
81  array(0) {
82  }
83  [1]=>
84  array(0) {
85  }
86  [2]=>
87  array(0) {
88  }
89}
90