diff options
Diffstat (limited to 'ext/mbstring/tests/mb_substr_variation4.phpt')
| -rw-r--r-- | ext/mbstring/tests/mb_substr_variation4.phpt | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/ext/mbstring/tests/mb_substr_variation4.phpt b/ext/mbstring/tests/mb_substr_variation4.phpt new file mode 100644 index 000000000..d2c4de3ce --- /dev/null +++ b/ext/mbstring/tests/mb_substr_variation4.phpt @@ -0,0 +1,131 @@ +--TEST-- +Test mb_substr() function : usage variations - pass different integers to $start arg +--SKIPIF-- +<?php +extension_loaded('mbstring') or die('skip'); +function_exists('mb_substr') or die("skip mb_substr() is not available in this build"); +?> +--FILE-- +<?php +/* Prototype : string mb_substr(string $str, int $start [, int $length [, string $encoding]]) + * Description: Returns part of a string + * Source code: ext/mbstring/mbstring.c + */ + +/* + * Test how mb_substr() behaves when passed a range of integers as $start argument + */ + +echo "*** Testing mb_substr() : usage variations ***\n"; + +mb_internal_encoding('UTF-8'); + +$string_ascii = '+Is an English string'; //21 chars + +$string_mb = base64_decode('5pel5pys6Kqe44OG44Kt44K544OI44Gn44GZ44CCMDEyMzTvvJXvvJbvvJfvvJjvvJnjgII='); //21 chars + +/* + * Loop through integers as multiples of ten for $offset argument + * 60 is larger than *BYTE* count for $string_mb + */ +for ($i = -60; $i <= 60; $i += 10) { + if (@$a || @$b) { + $a = null; + $b = null; + } + echo "\n**-- Offset is: $i --**\n"; + echo "-- ASCII String --\n"; + var_dump($a = mb_substr($string_ascii, $i, 4)); + echo "--Multibyte String --\n"; + $b = mb_substr($string_mb, $i, 4, 'UTF-8'); + if (strlen($a) == mb_strlen($b, 'UTF-8')) { // should return same length + var_dump(base64_encode($b)); + } else { + echo "Difference in length of ASCII string and multibyte string\n"; + } + +} + +echo "Done"; +?> +--EXPECTF-- +*** Testing mb_substr() : usage variations *** + +**-- Offset is: -60 --** +-- ASCII String -- +string(4) "+Is " +--Multibyte String -- +string(16) "5pel5pys6Kqe44OG" + +**-- Offset is: -50 --** +-- ASCII String -- +string(4) "+Is " +--Multibyte String -- +string(16) "5pel5pys6Kqe44OG" + +**-- Offset is: -40 --** +-- ASCII String -- +string(4) "+Is " +--Multibyte String -- +string(16) "5pel5pys6Kqe44OG" + +**-- Offset is: -30 --** +-- ASCII String -- +string(4) "+Is " +--Multibyte String -- +string(16) "5pel5pys6Kqe44OG" + +**-- Offset is: -20 --** +-- ASCII String -- +string(4) "Is a" +--Multibyte String -- +string(16) "5pys6Kqe44OG44Kt" + +**-- Offset is: -10 --** +-- ASCII String -- +string(4) "ish " +--Multibyte String -- +string(8) "MTIzNA==" + +**-- Offset is: 0 --** +-- ASCII String -- +string(4) "+Is " +--Multibyte String -- +string(16) "5pel5pys6Kqe44OG" + +**-- Offset is: 10 --** +-- ASCII String -- +string(4) "lish" +--Multibyte String -- +string(8) "MDEyMw==" + +**-- Offset is: 20 --** +-- ASCII String -- +string(1) "g" +--Multibyte String -- +string(4) "44CC" + +**-- Offset is: 30 --** +-- ASCII String -- +string(0) "" +--Multibyte String -- +string(0) "" + +**-- Offset is: 40 --** +-- ASCII String -- +string(0) "" +--Multibyte String -- +string(0) "" + +**-- Offset is: 50 --** +-- ASCII String -- +string(0) "" +--Multibyte String -- +string(0) "" + +**-- Offset is: 60 --** +-- ASCII String -- +string(0) "" +--Multibyte String -- +string(0) "" +Done
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