diff options
Diffstat (limited to 'inc/utf8.php')
-rw-r--r-- | inc/utf8.php | 27 |
1 files changed, 11 insertions, 16 deletions
diff --git a/inc/utf8.php b/inc/utf8.php index 3e3edd67f..0b90c8586 100644 --- a/inc/utf8.php +++ b/inc/utf8.php @@ -111,24 +111,19 @@ function utf8_strlen($string){ /** * Unicode aware replacement for substr() * - * @todo Handle negative positions etc. - * @author Harry Fuecks <hfuecks@gmail.com> + * @author lmak at NOSPAM dot iti dot gr + * @link http://www.php.net/manual/en/function.substr.php * @see substr() */ -function utf8_substr($str, $start, $length=null){ - if ( is_null($length) ) { - $length = '*'; - } else { - $length = '{0,'.$length.'}'; - } - $pattern = '/^.{'.$start.'}(.'.$length.')/us'; - preg_match($pattern, $str, $matches); - - if ( isset($matches[1]) ) { - return $matches[1]; - } - return false; -} +function utf8_substr($str,$start,$length=null){ + preg_match_all("/./u", $str, $ar); + + if($length != null) { + return join("",array_slice($ar[0],$start,$length)); + } else { + return join("",array_slice($ar[0],$start)); + } +} /** * Unicode aware replacement for explode |