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

Check with phpinfo() to ensure that the path for the php.ini is the same one being set. On Windows machines it is common for multiple instances of php.ini to be created and cause confusion.

Also, calling php from the command line will give you an error message with more details as to why it may not be loading. It might be that the extension that you are trying to include is not compatible with your PHP installation. i.e. it is a non thread safe dll with a thread safe binary or there is a compiler mismatch somewhere where vc9 and vc6 were both used.