$ptype = ((x($_POST,'type')) ? $_POST['type'] : '');
$dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version'] : 2.0);
$perm = ((x($_POST,'perm')) ? $_POST['perm'] : 'r');
$ptype = ((x($_POST,'type')) ? $_POST['type'] : '');
$dfrn_version = ((x($_POST,'dfrn_version')) ? (float) $_POST['dfrn_version'] : 2.0);
$perm = ((x($_POST,'perm')) ? $_POST['perm'] : 'r');