How to enable PDO in GoDaddy Server ?
Here is a step-by-step procedure to enable PDO extension on Godaddy:
1. Login to your CPanel
2. Go to Web Hosting -> Manage for your domain
3. Click on Select PHP version menu
4. Now, you have the option to choose PHP version from the dropdown. Choose a different version than selected (e.g. 5.4 or 5.5) and then click Set as current.
5. After that, check the checkboxes of PHP extension you want on your site (e.g. PDO) and then click Save button present at the bottom.