// config URLs
$x = (isset($C['schemes'][2]) && strpos($C['schemes'], ':')) ? strtolower($C['schemes']) : 'href: aim, feed, file, ftp, gopher, http, https, irc, mailto, news, nntp, sftp, ssh, tel, telnet'. (empty($C['safe']) ? ', app, javascript; *: data, javascript, ' : '; *:'). 'file, http, https';
$C['schemes'] = array();
// config URLs
$x = (isset($C['schemes'][2]) && strpos($C['schemes'], ':')) ? strtolower($C['schemes']) : 'href: aim, feed, file, ftp, gopher, http, https, irc, mailto, news, nntp, sftp, ssh, tel, telnet'. (empty($C['safe']) ? ', app, javascript; *: data, javascript, ' : '; *:'). 'file, http, https';
$C['schemes'] = array();