<?php
$meta['width']        = array('string');
$meta['height']       = array('string');
$meta['data-speed']   = array('numeric');
$meta['data-timeout'] = array('numeric');
$meta['data-fx']      = array('multichoice','_choices' => array('scroll','fade'));
$meta['metadata']     = array('onoff');
$meta['fit']          = array('multichoice','_choices' => array('fill','contain','cover','scale-down','none'));
$meta['namespace']    = array('onoff');