Since wp_reset_query() and wp_reset_post() didn’t appear to do anything in this situation, here’s something that seems to work. I’m not entirely sure if this is the accepted approach, but I got it working by temporarily storing the $post value before the WP_Query, then setting it back to the $post variable after the query was complete. … Read more
Use update_post_meta(), because if the meta key already exists add_post_meta() will do nothing if $unique is true and otherwise won’t update neither, while update_post_meta(), well, it will update the value of a existing field or create it, if it doesn’t exist yet.
save_post is called when post is inserted or updated. When you access add new post a post is created and inserted into database. That is actually draft. At that time $_POST is blank therefore, you are seeing warnings. Solution: The best option is exit the function as soon as you don’t find the nonce. And … Read more
You’re thinking about this entirely wrong. A meta tag isn’t something you add when a post gets saved, it’s something that gets added to the output when a post is viewed. So instead of trying to hook the action inside save_post, you hook it on every page load, and inside the hook you check if … Read more
Have you seen wpshell? It’s a command line tool for wordpress. Basically, it’s a WordPress environment that lets you run arbitrary php – so you could set up a WP_Query that pulls all posts, loop through them, and fire that command on each one. Sort of what I had in mind, untested. Using wp_update_post() as … Read more
Update The answer is so simple, I couldn’t see it at first. 🙂 Just remove the action during the first function call. This way, your work within the API, and your function is really called just once. No need for static or even global variables or constants. function my_metabox_save() { remove_action( ‘save_post’, ‘my_metabox_save’ ); // … Read more
When you choose “Your CPT > Add New”, WP calls get_default_post_to_edit(), which actually creates an “empty” post (with ‘post_status’ => ‘auto-draft’) and then calls wp_insert_post(). This is what is causing your save_datasheet_meta() function to be called before you think it should. Hence, generally you should add some additional sanity checks to the beginning of any … Read more
The post gets added and published but since you have the meta query and the meta key is not added when you submit the post from frontend, it does not show up. Use the following code which adds the meta data as needed. if ( isset( $_POST[‘submitted’] ) ) { $post_information = array( ‘post_title’ => … Read more
If you have a custom post type and a custom taxonomy assigned to it, you do not need to handle the saving of those terms yourself, WordPress already does this for you. So you can remove your taxonomy save code. Also you should put your register_post_type and custom taxonomy registering code inside a function, and … Read more
I’m not sure if if( !current_user_can( ‘edit_post’, $post_id ) ) return; really works. Maybe the current user isn’t set up there and you’ll have to work around it by passing the user ID in a hidden field, then retrieving it using $user = get_user_by( ‘id’, esc_attr( $_POST[‘user_id’] ) ); wp_set_current_user( $user->user_id ); if ( ! … Read more