Actualización

main/inc/lib/formvalidator/Rule/Url.php

@@ -0,0 +1,23 @@
+<?php
+
+/**
+ * Abstract base class for QuickForm validation rules.
+ */
+
+/**
+ * Validate urls.
+ */
+class HTML_QuickForm_Rule_Url extends HTML_QuickForm_Rule
+{
+    /**
+     * Validates url.
+     *
+     * @param string $url
+     *
+     * @return bool returns true if valid, false otherwise
+     */
+    public function validate($url, $options)
+    {
+        return (bool) filter_var($url, FILTER_VALIDATE_URL);
+    }
+}