save-post

Thanks to mmm’s comment above, it was pointed out that even for CPTs the first parameter’s value needs to be “post”, as clearly stated in the documentation at https://developer.wordpress.org/reference/functions/metadata_exists/. Somewhere along the way I confused myself into thinking that the first parameter’s value needed to be the CPT handle for a custom post type (CPT), … Read more

You can achieve this by using the wp_insert_post hook, which is called before the post is saved or updated. Inside this hook, you can check if the post ID exists to determine if it’s an update or a new post. Here’s how you can do it: add_action(‘wp_insert_post’, function ($post_ID, $post, $update) { if (!$update) { … Read more

Detect, if post is saved manually or programmatically in save_post-hook

Use save_post to generate file on wordpress

First of: Your custom title suffix getting duplicated might not be what you want to happen, but is expected behavior as per your code sample. The save_post action hook runs everytime a post (or page) is created or updated. Hence your callback runs everytime. Let me offer two solutions: 1 Use the wp_insert_post action instead … Read more

You will need to interrupt the post submission process much sooner. Your code hooked to admin_init stands a pretty good chance of working, with a modification or two, and wp_die is pretty harsh. I’d just redirect back to the originating page without saving, if it were me. Something like (untested)… function check_post_limit() { if (!isset($_POST[‘ID’])) … Read more

Add the following right at the top of your function code, it will exit the function if it’s doing an auto save: if ( defined( ‘DOING_AUTOSAVE’ ) && DOING_AUTOSAVE ) return; You may find you also need to use the following aswell: if ( defined( ‘DOING_AJAX’ ) && DOING_AJAX ) return;

Meta data not saved on save_post