Warning: in_array() null given in PHP function
Well first you have this code // no matter what the value here, you can forget about it (because in the next line of code you assing a new value to the same variable) $post_types = apply_filters( ‘sortable_wordpress_gallery_post_types’, array( ‘post’ ) ); // only this really matters $post_types = apply_filters( ‘sortable_wordpress_gallery_’ . $this->id . ‘_post_types’, … Read more