info_event_spec.php

<?php

$custom_metabox = $info_eventos_mb = new WPAlchemy_MetaBox(array
(
    'id' => '_info_eventos_meta',
    'title' => 'Informa&ccedil;&otilde;es do Evento',
    'types' => array( 'eventos' ),
    'context' => 'side',
    'mode' => WPALCHEMY_MODE_EXTRACT,
    'template' => get_stylesheet_directory() . '/metaboxes/info-eventos-meta.php',
    'prefix' => '_info_evento_',
    'save_filter' => 'save_datetime'
));
    function save_datetime($meta, $post_id) {
       // var_dump($meta);
        //var_dump($post_id);
        //exit;

        $dd = $meta['start_day'];
        $mm = $meta['start_month'];
        $yy = $meta['start_year'];
        $hh = $meta['start_hour'];
        $mn = $meta['start_minute'];
        $start_datetime = strtotime( $dd . $mm . $yy . $hh . $mn );

        //$meta['start_datetime'] = $start_datetime;
        update_post_meta($post_id, '_info_evento_start_datetime', $start_datetime);

       return $meta;
   }
/* eof */
?>