<?php class HTMLPurifier_AttrDef_HTML_ContentEditable extends HTMLPurifier_AttrDef { public function validate($string, $config, $context) { $allowed = array('false'); if ($config->get('HTML.Trusted')) { $allowed = array('', 'true', 'false'); } $enum = new HTMLPurifier_AttrDef_Enum($allowed); return $enum->validate($string, $config, $context); } }