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-rw-r--r--include/utf8/stristr.php34
1 files changed, 34 insertions, 0 deletions
diff --git a/include/utf8/stristr.php b/include/utf8/stristr.php
new file mode 100644
index 0000000..fb9e6a5
--- /dev/null
+++ b/include/utf8/stristr.php
@@ -0,0 +1,34 @@
+<?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;
+}