1--TEST--
2Test substr_count() function (variation - 1)
3--FILE--
4<?php
5
6echo "\n*** Testing possible variations ***\n";
7echo "-- 3rd or 4th arg as string --\n";
8$str = "this is a string";
9var_dump( substr_count($str, "t", "5") );
10var_dump( substr_count($str, "t", "5", "10") );
11var_dump( substr_count($str, "i", "5t") );
12var_dump( substr_count($str, "i", "5t", "10t") );
13
14echo "\n-- 3rd or 4th arg as NULL --\n";
15var_dump( substr_count($str, "t", "") );
16var_dump( substr_count($str, "T", "") );
17var_dump( substr_count($str, "t", "", 15) );
18var_dump( substr_count($str, "I", NULL) );
19var_dump( substr_count($str, "i", NULL, 10) );
20
21echo "\n-- overlapped substrings --\n";
22var_dump( substr_count("abcabcabcabcabc", "abca") );
23var_dump( substr_count("abcabcabcabcabc", "abca", 2) );
24
25echo "\n-- complex strings containing other than 7-bit chars --\n";
26$str = chr(128).chr(129).chr(128).chr(256).chr(255).chr(254).chr(255);
27var_dump(substr_count($str, chr(128)));
28var_dump(substr_count($str, chr(255)));
29var_dump(substr_count($str, chr(256)));
30
31echo "\n-- heredoc string --\n";
32$string = <<<EOD
33abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
34abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
35acdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
36acdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
37abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
38abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
39abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
40abcdefghijklmnopqrstuvwxyz0123456789abcdefghijklmnopqrstuvwxyz0123456789
41EOD;
42var_dump(substr_count($string, "abcd"));
43var_dump(substr_count($string, "1234"));
44
45echo "\n-- heredoc null string --\n";
46$str = <<<EOD
47EOD;
48var_dump(substr_count($str, "\0"));
49var_dump(substr_count($str, "\x000"));
50var_dump(substr_count($str, "0"));
51
52echo "Done\n";
53
54?>
55--EXPECTF--
56*** Testing possible variations ***
57-- 3rd or 4th arg as string --
58int(1)
59int(1)
60
61Notice: A non well formed numeric value encountered in %s on line %d
62int(2)
63
64Notice: A non well formed numeric value encountered in %s on line %d
65
66Notice: A non well formed numeric value encountered in %s on line %d
67int(2)
68
69-- 3rd or 4th arg as NULL --
70
71Warning: substr_count() expects parameter 3 to be int, string given %s on line %d
72NULL
73
74Warning: substr_count() expects parameter 3 to be int, string given %s on line %d
75NULL
76
77Warning: substr_count() expects parameter 3 to be int, string given %s on line %d
78NULL
79int(0)
80int(2)
81
82-- overlapped substrings --
83int(2)
84int(2)
85
86-- complex strings containing other than 7-bit chars --
87int(2)
88int(2)
89int(1)
90
91-- heredoc string --
92int(14)
93int(16)
94
95-- heredoc null string --
96int(0)
97int(0)
98int(0)
99Done
100