addColumn(\app\models\Ticket::tableName(), "url", $this->string()); } public function safeDown() { echo "m170825_143708_add_url_to_tickets cannot be reverted.\n"; return false; } /* // Use up()/down() to run migration code without a transaction. public function up() { } public function down() { echo "m170825_143708_add_url_to_tickets cannot be reverted.\n"; return false; } */ }