PHP curl / libcurl error on subsequent requests

I’ve been getting the following error recently when making multiple calls using PHP curl (specifically Laravel’s artisan tinker)

Laravel 5.1? Easily upgrade to PHP 5.5 on CentOS 6!

I’ve been using Laravel a lot lately. Like seriously, a lot. I’m using it for Pdcast as well as a project in my day job. Part of the draw to using Laravel was that there’s a LTS (Long Term Support) release available now, version 5.1! This version requires PHP 5.5.9+, however that’s not included in your bog standard CentOS or EPEL repositories. Nice and quickly then, lets get the latest PHP installed so we can use the new Laravel.