Use the string function instead, and print it only if you get something: $previous = adjacent_image_link(true, ‘thumbnail’ ); if ( ! empty ( $previous ) ) print ‘before’ . $previous . ‘after’;
Change default options on attachment page
You can hook onto add_attachment and force the slug to work off the filename like so: Update: To uppercase the slug, you’ll need to add a temporary filter onto wp_unique_post_slug. You can’t simply use strtoupper( $slug ) as WordPress sanitises (lowercases) it within the update function. /** * Force attachment slug to ignore title from … Read more
you can use following way $attachment_id = 5; //put here you attachment id $sql = “SELECT count(DISTINCT pm.post_id) FROM $wpdb->postmeta pm JOIN $wpdb->posts p ON (p.ID = pm.post_id) WHERE pm.meta_key = ‘_thumbnail_id’ AND pm.meta_value=”$attachment_id” AND p.post_type=”post” AND p.post_status=”publish””; $count = $wpdb->get_var($sql);
How to store and retrieve the attachment alignment?
Some images not being returned with wp_get_attachment_image
The function below is derived from adjacent_image_link() function. You can get both previous and next image source by this function. It can be used inside or outside loop. Uses // get next image src $src = wpse145194_get_adjacent_image_link(); // get previous image src $src = wpse145194_get_adjacent_image_link(true); Function function wpse145194_get_adjacent_image_link( $prev = false, $size=”thumbnail”, $post_id = false) … Read more
You’re trying to display the post thumbnail for the attachment itself: wp_get_attachment_url( get_post_thumbnail_id( 3400 ) ) Instead, use: wp_get_attachment_url( get_post_thumbnail_id( 2300 ) )
You can use the the_content filter to access the contents of the post before it is printed to the screen. The function that you use to filter it can either go two routes – using regex to parse the contents (not the “right” way but faster/dirtier) or an HTML parser. You should then be able … Read more
Using WP_Query to get attachment returns empty set