Ticket #49597: 49597.diff

src/wp-includes/post.php

@@ -5605 +5605 @@
                 return wp_trash_post( $post_id );
         }
 
+        /**
+         * Filters whether an attachment deletion should take place.
+         *
+         * @since 5.5.0
+         *
+         * @param bool|null $delete       Whether to go forward with deletion.
+         * @param WP_Post   $post         Post object.
+         * @param bool      $force_delete Whether to bypass the Trash.
+         */
+        $check = apply_filters( 'pre_delete_attachment', null, $post, $force_delete );
+        if ( null !== $check ) {
+                return $check;
+        }
+
         delete_post_meta( $post_id, '_wp_trash_meta_status' );
         delete_post_meta( $post_id, '_wp_trash_meta_time' );