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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