Get number of posts in each category since last visit
use wpdb query instead: “SELECT DISTINCT wposts.* FROM $wpdb->posts wposts LEFT JOIN $wpdb->postmeta wpostmeta ON wposts.ID = wpostmeta.post_id LEFT JOIN $wpdb->term_relationships ON (wposts.ID = $wpdb->term_relationships.object_id) LEFT JOIN $wpdb->term_taxonomy ON ($wpdb->term_relationships.term_taxonomy_id = $wpdb->term_taxonomy.term_taxonomy_id) WHERE post_date >= {$lastvisit} AND $wpdb->term_taxonomy.taxonomy = ‘category’ “; I did not test this but should work. I also suggest you to use … Read more