do_action( ‘wp_trash_post’, int $post_id, string $previous_status )

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   Riverlab 4 years ago

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   To get the id of all posts that have been trashed when selecting multiples, you must use the

   $_GET['post']

   Like that example below:

   function wpdocs_trash_multiple_posts( $post_id = '' ) {
       // Verify if is trashing multiple posts
       if ( isset( $_GET['post'] ) && is_array( $_GET['post'] ) ) {
           foreach ( $_GET['post'] as $post_id ) {
               wpdocs_your_function( $post_id );
           }
       } else {
           wpdocs_your_function( $post_id );
       }
   }
   add_action( 'wp_trash_post', 'wpdocs_trash_multiple_posts' );