PHP 7 RC3: How to install missing MySQL PDO

For thoses running Linux with apache2 you need to install php-mysql

apt-get install php-mysql

or if you are running ubuntu 16.04 or higher just running the following command will be enought, no need to edit your php.ini file

apt-get install php7.2-mysql

If you are running ubuntu 15.10 or below:

Edit your php.ini file, it's located at /etc/php/[version]/apache2/php.ini and search for pdo_mysql you might found something like this

;extension=pdo_mysql.so

Change it to this

extension=pdo_mysql.so

Save the file and restart apache

service apache2 restart

Check that it's available in your phpinfo()

First install php-mysql

sudo apt-get install php7.0-mysql
//change the version number based on the php version

then enable the module

sudo phpenmod pdo_mysql

and restart apache

sudo service apache2 restart 

On ubuntu 18.04 following works for me

type this in your terminal

For php7.3

sudo apt-get install php7.3-gd php7.3-mysql

For php7.0

sudo apt-get install php7.0-gd php7.0-mysql

For php5

sudo apt-get install php5-gd php5-mysql

First, check if your php.ini has the extension enabled "php_pdo_mysql" and "php_mysqli" and the path of "extension_dir" is correct. If you need one of above configuration, then, you must restart the php-fpm to apply the changes.

In my case (where i am using the Windows OS in the company, i really prefer OSX or Linux), i solved the problem putting this values in the php.ini:

; ...

extension_dir = "ext"

; ... 

extension=php_mysqli.dll
extension=php_pdo_mysql.dll

; ...

I hope this helps.

Since eggyal didn't provided his comment as answer after he gave right advice in a comment - i am posting it here: In my case I had to install module php-mysql. See comments under the question for details.