htmlpurifier/library/HTMLPurifier/URIScheme/http.php

<?php

require_once 'HTMLPurifier/URIScheme.php';

/**
 * Validates http (HyperText Transfer Protocol) as defined by RFC 2616
 */
class HTMLPurifier_URIScheme_http extends HTMLPurifier_URIScheme {
    
    var $default_port = 80;
    var $browsable = true;
    
    function validateComponents(
        $userinfo, $host, $port, $path, $query, $config, &$context
    ) {
        list($userinfo, $host, $port, $path, $query) = 
            parent::validateComponents(
                $userinfo, $host, $port, $path, $query, $config, $context );
        return array(null, $host, $port, $path, $query);
    }
    
}