/libraries/phputf8/trim.php
PHP | 68 lines | 15 code | 7 blank | 46 comment | 3 complexity | 35ac4732e647d596a038d47daeb7b9eb MD5 | raw file
Possible License(s): LGPL-3.0, GPL-2.0, MIT, BSD-3-Clause, LGPL-2.1
- <?php
- /**
- * @version $Id$
- * @package utf8
- * @subpackage strings
- */
- //---------------------------------------------------------------
- /**
- * UTF-8 aware replacement for ltrim()
- * Note: you only need to use this if you are supplying the charlist
- * optional arg and it contains UTF-8 characters. Otherwise ltrim will
- * work normally on a UTF-8 string
- * @author Andreas Gohr <andi@splitbrain.org>
- * @see http://www.php.net/ltrim
- * @see http://dev.splitbrain.org/view/darcs/dokuwiki/inc/utf8.php
- * @return string
- * @package utf8
- * @subpackage strings
- */
- function utf8_ltrim( $str, $charlist = FALSE ) {
- if($charlist === FALSE) return ltrim($str);
- //quote charlist for use in a characterclass
- $charlist = preg_replace('!([\\\\\\-\\]\\[/^])!','\\\${1}',$charlist);
- return preg_replace('/^['.$charlist.']+/u','',$str);
- }
- //---------------------------------------------------------------
- /**
- * UTF-8 aware replacement for rtrim()
- * Note: you only need to use this if you are supplying the charlist
- * optional arg and it contains UTF-8 characters. Otherwise rtrim will
- * work normally on a UTF-8 string
- * @author Andreas Gohr <andi@splitbrain.org>
- * @see http://www.php.net/rtrim
- * @see http://dev.splitbrain.org/view/darcs/dokuwiki/inc/utf8.php
- * @return string
- * @package utf8
- * @subpackage strings
- */
- function utf8_rtrim( $str, $charlist = FALSE ) {
- if($charlist === FALSE) return rtrim($str);
- //quote charlist for use in a characterclass
- $charlist = preg_replace('!([\\\\\\-\\]\\[/^])!','\\\${1}',$charlist);
- return preg_replace('/['.$charlist.']+$/u','',$str);
- }
- //---------------------------------------------------------------
- /**
- * UTF-8 aware replacement for trim()
- * Note: you only need to use this if you are supplying the charlist
- * optional arg and it contains UTF-8 characters. Otherwise trim will
- * work normally on a UTF-8 string
- * @author Andreas Gohr <andi@splitbrain.org>
- * @see http://www.php.net/trim
- * @see http://dev.splitbrain.org/view/darcs/dokuwiki/inc/utf8.php
- * @return string
- * @package utf8
- * @subpackage strings
- */
- function utf8_trim( $str, $charlist = FALSE ) {
- if($charlist === FALSE) return trim($str);
- return utf8_ltrim(utf8_rtrim($str, $charlist), $charlist);
- }