Annotation of embedaddon/php/ext/mbstring/tests/mb_substr_variation6.phpt, revision 1.1.1.1
1.1 misho 1: --TEST--
2: Test mb_substr() function : usage variations - pass different integers to $start arg
3: --SKIPIF--
4: <?php
5: extension_loaded('mbstring') or die('skip');
6: function_exists('mb_substr') or die("skip mb_substr() is not available in this build");
7: ?>
8: --FILE--
9: <?php
10: /* Prototype : string mb_substr(string $str, int $start [, int $length [, string $encoding]])
11: * Description: Returns part of a string
12: * Source code: ext/mbstring/mbstring.c
13: */
14:
15: /*
16: * Test how mb_substr() behaves when passed a range of integers as $start argument
17: */
18:
19: echo "*** Testing mb_substr() : usage variations ***\n";
20:
21: mb_internal_encoding('UTF-8');
22:
23: $string_ascii = b'+Is an English string'; //21 chars
24:
25: $string_mb = base64_decode('5pel5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII='); //21 chars
26:
27: /*
28: * Loop through integers as multiples of ten for $offset argument
29: * 60 is larger than *BYTE* count for $string_mb
30: */
31: for ($i = -60; $i <= 60; $i += 10) {
32: if (@$a || @$b) {
33: $a = null;
34: $b = null;
35: }
36: echo "\n**-- Offset is: $i --**\n";
37: echo "-- ASCII String --\n";
38: $a = mb_substr($string_ascii, $i, 4);
39: if ($a !== false) {
40: var_dump(bin2hex($a));
41: }
42: else {
43: var_dump($a);
44: }
45: echo "--Multibyte String --\n";
46: $b = mb_substr($string_mb, $i, 4, 'UTF-8');
47: if (strlen($a) == mb_strlen($b, 'UTF-8')) { // should return same length
48: var_dump(bin2hex($b));
49: } else {
50: echo "Difference in length of ASCII string and multibyte string\n";
51: }
52:
53: }
54:
55: echo "Done";
56: ?>
57: --EXPECT--
58: *** Testing mb_substr() : usage variations ***
59:
60: **-- Offset is: -60 --**
61: -- ASCII String --
62: string(8) "2b497320"
63: --Multibyte String --
64: string(24) "e697a5e69cace8aa9ee38386"
65:
66: **-- Offset is: -50 --**
67: -- ASCII String --
68: string(8) "2b497320"
69: --Multibyte String --
70: string(24) "e697a5e69cace8aa9ee38386"
71:
72: **-- Offset is: -40 --**
73: -- ASCII String --
74: string(8) "2b497320"
75: --Multibyte String --
76: string(24) "e697a5e69cace8aa9ee38386"
77:
78: **-- Offset is: -30 --**
79: -- ASCII String --
80: string(8) "2b497320"
81: --Multibyte String --
82: string(24) "e697a5e69cace8aa9ee38386"
83:
84: **-- Offset is: -20 --**
85: -- ASCII String --
86: string(8) "49732061"
87: --Multibyte String --
88: string(24) "e69cace8aa9ee38386e382ad"
89:
90: **-- Offset is: -10 --**
91: -- ASCII String --
92: string(8) "69736820"
93: --Multibyte String --
94: string(8) "31323334"
95:
96: **-- Offset is: 0 --**
97: -- ASCII String --
98: string(8) "2b497320"
99: --Multibyte String --
100: string(24) "e697a5e69cace8aa9ee38386"
101:
102: **-- Offset is: 10 --**
103: -- ASCII String --
104: string(8) "6c697368"
105: --Multibyte String --
106: string(8) "30313233"
107:
108: **-- Offset is: 20 --**
109: -- ASCII String --
110: string(2) "67"
111: --Multibyte String --
112: string(6) "e38082"
113:
114: **-- Offset is: 30 --**
115: -- ASCII String --
116: string(0) ""
117: --Multibyte String --
118: string(0) ""
119:
120: **-- Offset is: 40 --**
121: -- ASCII String --
122: string(0) ""
123: --Multibyte String --
124: string(0) ""
125:
126: **-- Offset is: 50 --**
127: -- ASCII String --
128: string(0) ""
129: --Multibyte String --
130: string(0) ""
131:
132: **-- Offset is: 60 --**
133: -- ASCII String --
134: string(0) ""
135: --Multibyte String --
136: string(0) ""
137: Done
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