// Si llenó el formulario
if (isset($_POST['admin_cred']) and isset($_POST['admin_cred_user'])
and isset($_POST['admin_cred_pass']))
{
if (check_numero($_POST['admin_cred'])
and check_asociado($_POST['admin_cred_user'])
// Si llenó el formulario
if (isset($_POST['admin_cred']) and isset($_POST['admin_cred_user'])
and isset($_POST['admin_cred_pass']))
{
if (check_numero($_POST['admin_cred'])
and check_asociado($_POST['admin_cred_user'])