foreign('document_id')->references('id')->on('documents')->onDelete('CASCADE'); $table->foreign('folder_id')->references('id')->on('folders')->onDelete('CASCADE'); }); } /** * Reverse the migrations. * * @return void */ public function down() { Schema::table('bookmarks', function (Blueprint $table) { $table->dropForeign('bookmarks_document_id_foreign'); $table->dropForeign('bookmarks_folder_id_foreign'); }); } }