Creates a Drupal AJAX 'viewsSetForm' command.
$output: The form to display in the modal.
$title: The title.
$url: An optional URL.
An array suitable for use with the ajax_render() function.
function views_ajax_command_set_form($output, $title, $url = NULL) {
$command = array(
'command' => 'viewsSetForm',
'output' => $output,
'title' => $title,
);
if (isset($url)) {
$command['url'] = $url;
}
return $command;
}