1--TEST--
2Test mb_strstr() function : variation - case sensitivity
3--SKIPIF--
4<?php
5extension_loaded('mbstring') or die('skip');
6function_exists('mb_strstr') or die("skip mb_strstr() is not available in this build");
7?>
8--FILE--
9<?php
10/* Prototype  : string mb_strstr(string haystack, string needle[, bool part[, string encoding]])
11 * Description: Finds first occurrence of a string within another
12 * Source code: ext/mbstring/mbstring.c
13 * Alias to functions:
14 */
15
16echo "*** Testing mb_strstr() : variation ***\n";
17
18mb_internal_encoding('UTF-8');
19
20//ascii
21$string_ascii = b'abcdef';
22$needle_ascii_upper = b"BCD";
23$needle_ascii_mixed = b"bCd";
24$needle_ascii_lower = b"bcd";
25
26//Greek string in lower case UTF-8
27$string_mb = base64_decode('zrHOss6zzrTOtc62zrfOuM65zrrOu868zr3Ovs6/z4DPgc+Dz4TPhc+Gz4fPiM+J');
28$needle_mb_upper = base64_decode('zpzOnc6ezp8=');
29$needle_mb_lower = base64_decode('zrzOvc6+zr8=');
30$needle_mb_mixed = base64_decode('zpzOnc6+zr8=');
31
32echo "-- Ascii data --\n";
33// needle should be found
34var_dump(bin2hex(mb_strstr($string_ascii, $needle_ascii_lower)));
35// no needle should be found
36var_dump(mb_strstr($string_ascii, $needle_ascii_upper));
37var_dump(mb_strstr($string_ascii, $needle_ascii_mixed));
38
39echo "-- mb data in utf-8 --\n";
40// needle should be found
41$res = mb_strstr($string_mb, $needle_mb_lower, false);
42if ($res !== false) {
43    var_dump(bin2hex($res));
44}
45else {
46   echo "nothing found!\n";
47}
48// no needle should be found
49var_dump(mb_strstr($string_mb, $needle_mb_upper));
50var_dump(mb_strstr($string_mb, $needle_mb_mixed));
51
52
53?>
54===DONE===
55--EXPECT--
56*** Testing mb_strstr() : variation ***
57-- Ascii data --
58string(10) "6263646566"
59bool(false)
60bool(false)
61-- mb data in utf-8 --
62string(52) "cebccebdcebecebfcf80cf81cf83cf84cf85cf86cf87cf88cf89"
63bool(false)
64bool(false)
65===DONE===
66