Tagged 0.7.5

[scuttle] / includes / utf8 / stristr.php

diff --git a/includes/utf8/stristr.php b/includes/utf8/stristr.php
new file mode 100644 (file)
index 0000000..e3d1212
--- /dev/null
+++ b/includes/utf8/stristr.php
@@ -0,0 +1,36 @@
+<?php
+/**
+* @version $Id: stristr.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
+* @package utf8
+* @subpackage strings
+*/
+
+//---------------------------------------------------------------
+/**
+* UTF-8 aware alternative to stristr
+* Find first occurrence of a string using case insensitive comparison
+* Note: requires utf8_strtolower
+* @param string
+* @param string
+* @return int
+* @see http://www.php.net/strcasecmp
+* @see utf8_strtolower
+* @package utf8
+* @subpackage strings
+*/
+function utf8_stristr($str, $search) {
+    
+    if ( strlen($search) == 0 ) {
+        return $str;
+    }
+    
+    $lstr = utf8_strtolower($str);
+    $lsearch = utf8_strtolower($search);
+    preg_match('/^(.*)'.preg_quote($lsearch).'/Us',$lstr, $matches);
+    
+    if ( count($matches) == 2 ) {
+        return substr($str, strlen($matches[1]));
+    }
+    
+    return FALSE;
+}