Implemented plugin architecture.

libs/plugins/modifier.count_characters.php

@@ -0,0 +1,21 @@
+<?php
+
+/*
+ * Smarty plugin
+ * -------------------------------------------------------------
+ * Type:     modifier
+ * Name:     count_characteres
+ * Purpose:  count the number of characters in a text
+ * -------------------------------------------------------------
+ */
+function smarty_modifier_count_characters($string, $include_spaces = false)
+{
+    if ($include_spaces)
+       return(strlen($string));
+
+    return preg_match_all("/[^\s]/",$string, $match);
+}
+
+/* vim: set expandtab: */
+
+?>