Annotation of embedaddon/php/ext/mbstring/tests/mb_substr_variation7.phpt, revision 1.1.1.1
1.1 misho 1: --TEST--
2: Test mb_substr() function : usage variations - pass different integers to $length 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 $length 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: //Japanese string, 21 characters
26: $string_mb = base64_decode('5pel5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII=');
27:
28: /*
29: * Loop through integers as multiples of ten for $offset argument
30: * 60 is larger than *BYTE* count for $string_mb
31: */
32: for ($i = -60; $i <= 60; $i += 10) {
33: if (@$a || @$b) {
34: $a = null;
35: $b = null;
36: }
37: echo "\n**-- Offset is: $i --**\n";
38: echo "-- ASCII String --\n";
39: $a = mb_substr($string_ascii, 1, $i);
40: if ($a !== false) {
41: var_dump(bin2hex($a));
42: }
43: else {
44: var_dump($a);
45: }
46: echo "--Multibyte String --\n";
47: $b = mb_substr($string_mb, 1, $i, 'UTF-8');
48: if (strlen($a) == mb_strlen($b, 'UTF-8')) { // should return same length
49: var_dump(bin2hex($b));
50: } else {
51: echo "Difference in length of ASCII string and multibyte string\n";
52: }
53:
54: }
55:
56: echo "Done";
57: ?>
58: --EXPECT--
59: *** Testing mb_substr() : usage variations ***
60:
61: **-- Offset is: -60 --**
62: -- ASCII String --
63: string(0) ""
64: --Multibyte String --
65: string(0) ""
66:
67: **-- Offset is: -50 --**
68: -- ASCII String --
69: string(0) ""
70: --Multibyte String --
71: string(0) ""
72:
73: **-- Offset is: -40 --**
74: -- ASCII String --
75: string(0) ""
76: --Multibyte String --
77: string(0) ""
78:
79: **-- Offset is: -30 --**
80: -- ASCII String --
81: string(0) ""
82: --Multibyte String --
83: string(0) ""
84:
85: **-- Offset is: -20 --**
86: -- ASCII String --
87: string(0) ""
88: --Multibyte String --
89: string(0) ""
90:
91: **-- Offset is: -10 --**
92: -- ASCII String --
93: string(20) "497320616e20456e676c"
94: --Multibyte String --
95: string(56) "e69cace8aa9ee38386e382ade382b9e38388e381a7e38199e3808230"
96:
97: **-- Offset is: 0 --**
98: -- ASCII String --
99: string(0) ""
100: --Multibyte String --
101: string(0) ""
102:
103: **-- Offset is: 10 --**
104: -- ASCII String --
105: string(20) "497320616e20456e676c"
106: --Multibyte String --
107: string(56) "e69cace8aa9ee38386e382ade382b9e38388e381a7e38199e3808230"
108:
109: **-- Offset is: 20 --**
110: -- ASCII String --
111: string(40) "497320616e20456e676c69736820737472696e67"
112: --Multibyte String --
113: string(100) "e69cace8aa9ee38386e382ade382b9e38388e381a7e38199e380823031323334efbc95efbc96efbc97efbc98efbc99e38082"
114:
115: **-- Offset is: 30 --**
116: -- ASCII String --
117: string(40) "497320616e20456e676c69736820737472696e67"
118: --Multibyte String --
119: string(100) "e69cace8aa9ee38386e382ade382b9e38388e381a7e38199e380823031323334efbc95efbc96efbc97efbc98efbc99e38082"
120:
121: **-- Offset is: 40 --**
122: -- ASCII String --
123: string(40) "497320616e20456e676c69736820737472696e67"
124: --Multibyte String --
125: string(100) "e69cace8aa9ee38386e382ade382b9e38388e381a7e38199e380823031323334efbc95efbc96efbc97efbc98efbc99e38082"
126:
127: **-- Offset is: 50 --**
128: -- ASCII String --
129: string(40) "497320616e20456e676c69736820737472696e67"
130: --Multibyte String --
131: string(100) "e69cace8aa9ee38386e382ade382b9e38388e381a7e38199e380823031323334efbc95efbc96efbc97efbc98efbc99e38082"
132:
133: **-- Offset is: 60 --**
134: -- ASCII String --
135: string(40) "497320616e20456e676c69736820737472696e67"
136: --Multibyte String --
137: string(100) "e69cace8aa9ee38386e382ade382b9e38388e381a7e38199e380823031323334efbc95efbc96efbc97efbc98efbc99e38082"
138: Done
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