add smarty lib

libs/plugins/modifiercompiler.to_charset.php

@@ -0,0 +1,33 @@
+<?php
+/**
+ * Smarty plugin
+ *
+ * @package    Smarty
+ * @subpackage PluginsModifierCompiler
+ */
+
+/**
+ * Smarty to_charset modifier plugin
+ * Type:     modifier<br>
+ * Name:     to_charset<br>
+ * Purpose:  convert character encoding from internal encoding to $charset
+ *
+ * @author Rodney Rehm
+ *
+ * @param array $params parameters
+ *
+ * @return string with compiled code
+ */
+function smarty_modifiercompiler_to_charset($params)
+{
+    if (!Smarty::$_MBSTRING) {
+        // FIXME: (rodneyrehm) shouldn't this throw an error?
+        return $params[ 0 ];
+    }
+
+    if (!isset($params[ 1 ])) {
+        $params[ 1 ] = '"ISO-8859-1"';
+    }
+
+    return 'mb_convert_encoding(' . $params[ 0 ] . ', ' . $params[ 1 ] . ', "' . addslashes(Smarty::$_CHARSET) . '")';
+}