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-rw-r--r--include/utf8/trim.php74
1 files changed, 74 insertions, 0 deletions
diff --git a/include/utf8/trim.php b/include/utf8/trim.php
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+++ b/include/utf8/trim.php
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+<?php
+
+/**
+* @version $Id: trim.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
+* @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);
+}