string('_file_name')->nullable(); $table->integer('_file_size')->nullable()->after('_file_name'); $table->string('_content_type')->nullable()->after('_file_size'); $table->timestamp('_updated_at')->nullable()->after('_content_type'); }); } /** * Revert the changes to the table. * * @return void */ public function down() { Schema::table('', function(Blueprint $table) { $table->dropColumn('_file_name'); $table->dropColumn('_file_size'); $table->dropColumn('_content_type'); $table->dropColumn('_updated_at'); }); } }