I need to get the page template name when the post is saved. It fails in save_post hook as $_POST('page_template') is not available. Gutenberg saves post via the REST API and uses WP_REST_Post_Controller->handle_template to save page template data. And like I said it does not make $_POST('page_template') available in save_post. It also looks like WP_REST_Post_Controller->handle_template fires after save_post hook. I need to find a way to check the the page template being saved so that I can change the value being saved if needed. Thanks

  • Is this a Gutenberg bug or is there a work around? Sep 4, 2018 at 1:10

1 Answer 1


So I found a solution. There are 4 hooks that can be used to accomplish this depending on the exact needs. The hooks are from wp-includes/meta.php in functions update_metadata() and add_metadata().

Hooks: update_postmeta updated_postmeta add_post_meta added_post_meta

These are called at different states and from the names it is pretty self self explanatory. add_post_meta and update_postmeta are called right before any DB changes and updated_postmeta and added_post_meta are called right after any changes to the DB.


//Example usage for updated and added.
 function page_template_check( $meta_id, $post_id, $meta_key, $meta_value ) {

    // Stop if not the correct meta key
    if ( $meta_key != '_wp_page_template' ) {
        return false;

    //Do stuff here


add_action( 'added_post_meta', 'page_template_check', 10, 4 ); //after add
add_action( 'updated_postmeta', 'page_template_check', 10, 4 ); //after update

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