Actually is not true that on post-new.php global $post is not defined, WordPress create a post and save it in database as auto-draft using get_default_post_to_edit before output the page and so the metabox, so you can rely on global post object. However, I don’t like using global post object and to get the brand-new post … Read more
First thing i see that needs to be changed is your assigining unchecked values to your input fields. Try wrapping isset round the variable before echoing, this will stop errors if they are not assigned or empty. Second thing as you have passed a post id to get_post_custom() you dont need the second array. function … Read more
To display post meta value from a specific post in header, you can print it like this with specifying post ID instead of variable $post-ID. <?php echo get_post_meta( ‘1234’, ‘breaking’, true ); ?> get_post_meta accepts post id and if you only need to show post meta from one specific post then you can define post … Read more
Retrieve caption of image correct format is <?php $post_thumbnail_id = get_post_thumbnail_id( $post_id ); ?> <?php function wp_get_attachment( $attachment_id ) { $attachment = get_post( $attachment_id ); return array( ‘alt’ => get_post_meta( $attachment->ID, ‘_wp_attachment_image_alt’, true ), ‘caption’ => $attachment->post_excerpt, ‘description’ => $attachment->post_content, ‘href’ => get_permalink( $attachment->ID ), ‘src’ => $attachment->guid, ‘title’ => $attachment->post_title ); } $at= wp_get_attachment($post_thumbnail_id); … Read more
PHP is not a multi tasking language, you should not try to use it as such. In other words, long polling is not something you should try to even attempt unless you use a language construct designed to support it. Specifically to your question, you probably fail because wordpress has the habit of caching in … Read more
This should output the title of the page with the most recent timestamp: $args = array( ‘post_type’ => array( ‘page’ ), ‘order’ => ‘DESC’, ‘orderby’ => ‘meta_value_num’, // Note was `meta_value` before ‘meta_key’ => ‘_cmb_test_datetime_timestamp’, ‘numberposts’ => 1, ); $posts = get_posts( $args ); if ( $posts ) echo $posts[0]->post_title; wp_reset_postdata(); To add conditions, use … Read more
Well this is not exactly a WordPress problem / solution. First you have to either get the video id from the video_site_url post meta or save the YouTube video id in it’s own post meta field, maybe youtube_video_id. Next you can get the thumbnail using one of these url http://img.youtube.com/vi/<insert-youtube-video-id-here>/0.jpg http://img.youtube.com/vi/<insert-youtube-video-id-here>/1.jpg http://img.youtube.com/vi/<insert-youtube-video-id-here>/2.jpg http://img.youtube.com/vi/<insert-youtube-video-id-here>/3.jpg Read this … Read more
What else can I do to the query to do as little work as possible to eliminate “extra” posts in PHP that get queried because my query is too broad. The trouble is, meta queries are slow. Metadata is a simple key => value type database. Keys are indexed, and values are longtext. That’s it. … Read more
I think what you are after is get_post_meta() and not a custom query. REASONS: The results from custom fields are cached and extremely streamline when it cone to performance. You can read this answer I have done recently which will explain everything You are trying to get the custom field attached to a post only … Read more
Does this do the trick? $consignment= get_post_meta($post->ID, ‘availability’, true); if ($consignment == ”) { // code to run if the above is empty, eg. echo “avaliable”; } else { // else the code, eg. echo $consignment; }