Tagged 0.7.5

[scuttle] / includes / utf8 / str_split.php

diff --git a/includes/utf8/str_split.php b/includes/utf8/str_split.php
new file mode 100644 (file)
index 0000000..b37bce7
--- /dev/null
+++ b/includes/utf8/str_split.php
@@ -0,0 +1,35 @@
+<?php
+/**
+* @version $Id: str_split.php,v 1.1 2006/02/25 13:50:17 harryf Exp $
+* @package utf8
+* @subpackage strings
+*/
+
+//---------------------------------------------------------------
+/**
+* UTF-8 aware alternative to str_split
+* Convert a string to an array
+* Note: requires utf8_strlen to be loaded
+* @param string UTF-8 encoded
+* @param int number to characters to split string by
+* @return string characters in string reverses
+* @see http://www.php.net/str_split
+* @see utf8_strlen
+* @package utf8
+* @subpackage strings
+*/
+function utf8_str_split($str, $split_len = 1) {
+    
+    if ( !preg_match('/^[0-9]+$/',$split_len) || $split_len < 1 ) {
+        return FALSE;
+    }
+    
+    $len = utf8_strlen($str);
+    if ( $len <= $split_len ) {
+        return array($str);
+    }
+    
+    preg_match_all('/.{'.$split_len.'}|[^\x00]{1,'.$split_len.'}$/us', $str, $ar);
+    return $ar[0];
+    
+}