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<?php /** * @package utf8 */ //--------------------------------------------------------------- /** * 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 */ 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 */ 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 */ function utf8_trim( $str, $charlist = FALSE ) { if($charlist === FALSE) return trim($str); return utf8_ltrim(utf8_rtrim($str, $charlist), $charlist); }