Add up all numbers from a WordPress query [closed]
.= does string concatention, eg, ‘hello ‘ . ‘world’ gets you hello world. To add, use + instead of .: // Set a default for $numbers. $numbers = 0; $query = new WP_Query($args); if ($query->have_posts()) { while ($query->have_posts()) { $query->the_post(); $post_id = get_the_ID(); $party_size = get_field(‘reservation_party_size’, $post_id); $numbers += intval( $party_size ); } } return … Read more