68 lines
2.2 KiB
PHP
68 lines
2.2 KiB
PHP
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<?php
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/**
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* @version $Id$
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* @package utf8
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* @subpackage strings
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*/
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//---------------------------------------------------------------
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/**
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* UTF-8 aware replacement for ltrim()
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* Note: you only need to use this if you are supplying the charlist
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* optional arg and it contains UTF-8 characters. Otherwise ltrim will
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* work normally on a UTF-8 string
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* @author Andreas Gohr <andi@splitbrain.org>
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* @see http://www.php.net/ltrim
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* @see http://dev.splitbrain.org/view/darcs/dokuwiki/inc/utf8.php
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* @return string
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* @package utf8
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* @subpackage strings
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*/
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function utf8_ltrim( $str, $charlist = FALSE ) {
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if($charlist === FALSE) return ltrim($str);
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//quote charlist for use in a characterclass
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$charlist = preg_replace('!([\\\\\\-\\]\\[/^])!','\\\${1}',$charlist);
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return preg_replace('/^['.$charlist.']+/u','',$str);
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}
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//---------------------------------------------------------------
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/**
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* UTF-8 aware replacement for rtrim()
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* Note: you only need to use this if you are supplying the charlist
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* optional arg and it contains UTF-8 characters. Otherwise rtrim will
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* work normally on a UTF-8 string
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* @author Andreas Gohr <andi@splitbrain.org>
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* @see http://www.php.net/rtrim
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* @see http://dev.splitbrain.org/view/darcs/dokuwiki/inc/utf8.php
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* @return string
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* @package utf8
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* @subpackage strings
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*/
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function utf8_rtrim( $str, $charlist = FALSE ) {
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if($charlist === FALSE) return rtrim($str);
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//quote charlist for use in a characterclass
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$charlist = preg_replace('!([\\\\\\-\\]\\[/^])!','\\\${1}',$charlist);
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return preg_replace('/['.$charlist.']+$/u','',$str);
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}
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//---------------------------------------------------------------
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/**
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* UTF-8 aware replacement for trim()
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* Note: you only need to use this if you are supplying the charlist
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* optional arg and it contains UTF-8 characters. Otherwise trim will
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* work normally on a UTF-8 string
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* @author Andreas Gohr <andi@splitbrain.org>
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* @see http://www.php.net/trim
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* @see http://dev.splitbrain.org/view/darcs/dokuwiki/inc/utf8.php
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* @return string
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* @package utf8
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* @subpackage strings
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*/
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function utf8_trim( $str, $charlist = FALSE ) {
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if($charlist === FALSE) return trim($str);
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return utf8_ltrim(utf8_rtrim($str, $charlist), $charlist);
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}
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