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