<?php /** * Post-transform that performs validation to the name attribute; if * it is present with an equivalent id attribute, it is passed through; * otherwise validation is performed. */ class HTMLPurifier_AttrTransform_NameSync extends HTMLPurifier_AttrTransform { public function __construct() { $this->idDef = new HTMLPurifier_AttrDef_HTML_ID(); } public function transform($attr, $config, $context) { if (!isset($attr['name'])) return $attr; $name = $attr['name']; if (isset($attr['id']) && $attr['id'] === $name) return $attr; $result = $this->idDef->validate($name, $config, $context); if ($result === false) unset($attr['name']); else $attr['name'] = $result; return $attr; } } // vim: et sw=4 sts=4