How to stop execution of a function via add_action hook?

The usual way to add an action hook is more like this: // … some other code do_action( ‘my_action’, $post_id ); // …elsewhere add_action( ‘my_action’, ‘wpse405965_function’ ); /** * Function hooked to my_action * * @param int $post_id The post ID. */ function wpse405965_function( $post_id ) { if ( 2 !== $post_id ) { echo … Read more