Thank you for your help, I have installed php5.6-curl and it is now working as it should do. I obviously forgot to install it when setting it all back up.
Yo Nobita, I'm having an issue with your plugin and it's stopping users from registering, this has been an issue since I had moved dedicated servers.
Here is the error log:
ErrorException: Fatal Error: Call to undefined function curl_init() - library/Nobita/MinecraftAvatar/Request.php:48...
I bought this resource about an hour or two ago and for some reason I cannot download it, it just asks me to purchase it again?! I can provide a transaction ID and proof of purchase.