'post',
'order' => $resi_photo_order,
'orderby' => $resi_random_order,
'posts_per_page' => 20,
'tax_query' =>
array(
array(
'taxonomy' => 'post_format',
'field' => 'slug',
'terms' => 'post-format-image',
)));
// the query
$resi_the_query = new WP_Query( $args );
if ( $resi_the_query->have_posts() ) :
while ( $resi_the_query->have_posts() ) : $resi_the_query->the_post(); ?>