Tagged 0.7.5

[scuttle] / includes / utf8 / trim.php

diff --git a/includes/utf8/trim.php b/includes/utf8/trim.php
new file mode 100644 (file)
index 0000000..7f1cb3e
--- /dev/null
+++ b/includes/utf8/trim.php
@@ -0,0 +1,68 @@
+<?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);
+}
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