first commit

class/smarty_plugins/modifier.checked.php

@@ -0,0 +1,17 @@
+<?php
+
+/**
+ * Smarty plugin.
+ */
+
+/**
+ * Smarty {translate} function plugin.
+ */
+function smarty_modifier_checked($string, $value = null)
+{
+    if (is_null($value)) {
+        return ($string) ? " checked='checked' " : '';
+    }
+
+    return ($string == $value) ? " checked='checked' " : '';
+}