Annotation of embedaddon/php/ext/mbstring/tests/mb_substr_variation4.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, $i, 4);
39: var_dump(base64_encode($a));
40: echo "--Multibyte String --\n";
41: $b = mb_substr($string_mb, $i, 4, 'UTF-8');
42: if (strlen($a) == mb_strlen($b, 'UTF-8')) { // should return same length
43: var_dump(base64_encode($b));
44: } else {
45: echo "Difference in length of ASCII string and multibyte string\n";
46: }
47:
48: }
49:
50: echo "Done";
51: ?>
52: --EXPECT--
53: *** Testing mb_substr() : usage variations ***
54:
55: **-- Offset is: -60 --**
56: -- ASCII String --
57: string(8) "K0lzIA=="
58: --Multibyte String --
59: string(16) "5pel5pys6Kqe44OG"
60:
61: **-- Offset is: -50 --**
62: -- ASCII String --
63: string(8) "K0lzIA=="
64: --Multibyte String --
65: string(16) "5pel5pys6Kqe44OG"
66:
67: **-- Offset is: -40 --**
68: -- ASCII String --
69: string(8) "K0lzIA=="
70: --Multibyte String --
71: string(16) "5pel5pys6Kqe44OG"
72:
73: **-- Offset is: -30 --**
74: -- ASCII String --
75: string(8) "K0lzIA=="
76: --Multibyte String --
77: string(16) "5pel5pys6Kqe44OG"
78:
79: **-- Offset is: -20 --**
80: -- ASCII String --
81: string(8) "SXMgYQ=="
82: --Multibyte String --
83: string(16) "5pys6Kqe44OG44Kt"
84:
85: **-- Offset is: -10 --**
86: -- ASCII String --
87: string(8) "aXNoIA=="
88: --Multibyte String --
89: string(8) "MTIzNA=="
90:
91: **-- Offset is: 0 --**
92: -- ASCII String --
93: string(8) "K0lzIA=="
94: --Multibyte String --
95: string(16) "5pel5pys6Kqe44OG"
96:
97: **-- Offset is: 10 --**
98: -- ASCII String --
99: string(8) "bGlzaA=="
100: --Multibyte String --
101: string(8) "MDEyMw=="
102:
103: **-- Offset is: 20 --**
104: -- ASCII String --
105: string(4) "Zw=="
106: --Multibyte String --
107: string(4) "44CC"
108:
109: **-- Offset is: 30 --**
110: -- ASCII String --
111: string(0) ""
112: --Multibyte String --
113: string(0) ""
114:
115: **-- Offset is: 40 --**
116: -- ASCII String --
117: string(0) ""
118: --Multibyte String --
119: string(0) ""
120:
121: **-- Offset is: 50 --**
122: -- ASCII String --
123: string(0) ""
124: --Multibyte String --
125: string(0) ""
126:
127: **-- Offset is: 60 --**
128: -- ASCII String --
129: string(0) ""
130: --Multibyte String --
131: string(0) ""
132: Done
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