PDO找不到驱动程序

Question

我尝试执行php artisan migrate。我收到了这个错误：

[Illuminate\Database\QueryException]
could not find driver (SQL: select * from information_schema.tables where t
able_schema = dreametrytrellov1 and table_name = migrations)

[PDOException]
could not find driver

我正在使用php 5.6.31