<?php class HTMLPurifier_URIScheme_generic extends HTMLPurifier_URIScheme { public function doValidate(&$uri, $config, $context) { return true; } } class HTMLPurifier_URIScheme_tcp extends HTMLPurifier_URIScheme_generic { } class HTMLPurifier_URIScheme_udp extends HTMLPurifier_URIScheme_generic { } class HTMLPurifier_URIScheme_ssh extends HTMLPurifier_URIScheme_generic { }