1 files changed, 74 insertions, 0 deletions
diff --git a/include/utf8/trim.php b/include/utf8/trim.php
new file mode 100644
index 0000000..3d22840
--- /dev/null
+++ b/include/utf8/trim.php
@@ -0,0 +1,74 @@
+<?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);
+}