function vc_gitem_post_date_demo( $template ) {
	$new_template = dirname( __FILE__ ) . '/vc_gitem_post_date_demo.php';
	if ( is_file( $new_template ) ) {
		return $new_template;
	}

	return $template;
}

add_filter( 'vc_shortcode_set_template_vc_gitem_post_date', 'vc_gitem_post_date_demo' );

/**
 * Get post data. Used as wrapper for others post data attributes.
 *
 * @param $data
 *
 * @return mixed|string
 */
function vc_gitem_template_attribute_post_date_demo( $value, $data ) {
	/**
	 * @var null|Wp_Post $post ;
	 * @var string $data ;
	 */
	extract( array_merge( array(
		'post' => null,
		'data' => ''
	), $data ) );
	$date = get_post_time( 'U', true, $post );
	return 'human' === $data ? human_time_diff( $date, current_time( 'timestamp' ) ) . ' '. __( 'ago' ) : date('d-m-Y', $date);
}
add_filter( 'vc_gitem_template_attribute_post_date_demo', 'vc_gitem_template_attribute_post_date_demo', 10, 2 );