PDO drivers no value in Windows

Question

The php_pdo_mysql.dll can\'t be enabled in machine. I have set extension=php_pdo.dll and extension=php_pdo_mysql.dll enabled in php.in

Answer 1

In PHP 7.1 x64 on windows with apache 2.4 x64:

extension_dir = "ext" doesn't work for me,

absolute path: extension_dir = "C:\DEV\PHP71\ext\" worked well