<?php echo get_template_directory_uri()?>
--add options
if( function_exists('acf_add_options_page') ) {
acf_add_options_page();
}
--check forech
if(isset($card) && is_array($card) && !empty($card))
<?php echo wp_get_attachment_image($vt_loop['image']['id'],'full'); ?>
-- target acf
$target = isset($external_link['target']) ? $external_link['target'] : '_self';