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Annotation of embedaddon/php/ext/mbstring/tests/mb_substr_variation5.phpt, revision 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, $i);
        !            40:        var_dump(base64_encode($a));
        !            41:        echo "--Multibyte String --\n";
        !            42:        $b = mb_substr($string_mb, 1, $i, 'UTF-8');
        !            43:        if (strlen($a) == mb_strlen($b, 'UTF-8')) { // should return same length
        !            44:                var_dump(base64_encode($b));
        !            45:        } else {
        !            46:                echo "Difference in length of ASCII string and multibyte string\n";
        !            47:        }
        !            48:        
        !            49: }
        !            50: 
        !            51: echo "Done";
        !            52: ?>
        !            53: --EXPECT--
        !            54: *** Testing mb_substr() : usage variations ***
        !            55: 
        !            56: **-- Offset is: -60 --**
        !            57: -- ASCII String --
        !            58: string(0) ""
        !            59: --Multibyte String --
        !            60: string(0) ""
        !            61: 
        !            62: **-- Offset is: -50 --**
        !            63: -- ASCII String --
        !            64: string(0) ""
        !            65: --Multibyte String --
        !            66: string(0) ""
        !            67: 
        !            68: **-- Offset is: -40 --**
        !            69: -- ASCII String --
        !            70: string(0) ""
        !            71: --Multibyte String --
        !            72: string(0) ""
        !            73: 
        !            74: **-- Offset is: -30 --**
        !            75: -- ASCII String --
        !            76: string(0) ""
        !            77: --Multibyte String --
        !            78: string(0) ""
        !            79: 
        !            80: **-- Offset is: -20 --**
        !            81: -- ASCII String --
        !            82: string(0) ""
        !            83: --Multibyte String --
        !            84: string(0) ""
        !            85: 
        !            86: **-- Offset is: -10 --**
        !            87: -- ASCII String --
        !            88: string(16) "SXMgYW4gRW5nbA=="
        !            89: --Multibyte String --
        !            90: string(40) "5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMA=="
        !            91: 
        !            92: **-- Offset is: 0 --**
        !            93: -- ASCII String --
        !            94: string(0) ""
        !            95: --Multibyte String --
        !            96: string(0) ""
        !            97: 
        !            98: **-- Offset is: 10 --**
        !            99: -- ASCII String --
        !           100: string(16) "SXMgYW4gRW5nbA=="
        !           101: --Multibyte String --
        !           102: string(40) "5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMA=="
        !           103: 
        !           104: **-- Offset is: 20 --**
        !           105: -- ASCII String --
        !           106: string(28) "SXMgYW4gRW5nbGlzaCBzdHJpbmc="
        !           107: --Multibyte String --
        !           108: string(68) "5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII="
        !           109: 
        !           110: **-- Offset is: 30 --**
        !           111: -- ASCII String --
        !           112: string(28) "SXMgYW4gRW5nbGlzaCBzdHJpbmc="
        !           113: --Multibyte String --
        !           114: string(68) "5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII="
        !           115: 
        !           116: **-- Offset is: 40 --**
        !           117: -- ASCII String --
        !           118: string(28) "SXMgYW4gRW5nbGlzaCBzdHJpbmc="
        !           119: --Multibyte String --
        !           120: string(68) "5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII="
        !           121: 
        !           122: **-- Offset is: 50 --**
        !           123: -- ASCII String --
        !           124: string(28) "SXMgYW4gRW5nbGlzaCBzdHJpbmc="
        !           125: --Multibyte String --
        !           126: string(68) "5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII="
        !           127: 
        !           128: **-- Offset is: 60 --**
        !           129: -- ASCII String --
        !           130: string(28) "SXMgYW4gRW5nbGlzaCBzdHJpbmc="
        !           131: --Multibyte String --
        !           132: string(68) "5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII="
        !           133: Done