integer('language_id')->nullable(); $table->foreign('language_id')->references('id')->on('ab_language'); $table->integer('currency_id')->nullable(); $table->foreign('currency_id')->references('id')->on('ab_currency'); }); } /** * Reverse the migrations. * * @return void */ public function down() { Schema::table('users', function (Blueprint $table) { $table->dropForeign(['language_id']); $table->dropColumn('language_id'); $table->dropForeign(['currency_id']); $table->dropColumn('currency_id'); }); } }