if (empty($compose_onsubmit))
$compose_onsubmit = array();
else if (!is_array($compose_onsubmit))
$compose_onsubmit = array($compose_onsubmit);
if (empty($compose_onsubmit))
$compose_onsubmit = array();
else if (!is_array($compose_onsubmit))
$compose_onsubmit = array($compose_onsubmit);