Re: PDO Extension?
Yes, PDO should be installed and available on Free Hosting. If it's throwing errors, you may want to create a support ticket (although you're probably not the only user on your server experiencing problems if PDO is missing) -- someone with server access will need to fix it.
“Beware of bugs in the above code; I have only proved it correct, not tried it.” --Donald Knuth
"It was as if its architects were given a perfectly good hammer and gleefully replied, 'neat! With this hammer, we can build a tool that can pound in nails.'" -- Alex Papadimoulis (on TheDailyWTF.com)