Schema::table PHP Method

        public static function table($table, $callback)
        {
            //Method inherited from \Illuminate\Database\Schema\Builder
            return \Illuminate\Database\Schema\MySqlBuilder::table($table, $callback);
        }

 /**
  * Reverse the migrations.
  *
  * @return void
  */
 public function down()
 {
     Schema::table('rss', function (Blueprint $table) {
         $table->dropForeign('fk_rss_1');
         $table->dropForeign('rss_ibfk_1');
     });
 }