laravel Error: PDOException in Connector.php line 55: could not find driver

I'm trying save a register in my MySQL database using Eloquent of Laravel 5.

PHP version 5.6 I installed via .htaccess

Use PHP5.6 as default

AddHandler application/x-httpd-php56 .php

It will occur the fallowing error on server: enter image description here

Please Help He..!

via Chebli Mohamed