I found the following url for PHP client.
http://anton.logvinenko.name/en/blog/how-to-install-redis-and-redis-php-client.html
I found the following url for PHP client.
http://anton.logvinenko.name/en/blog/how-to-install-redis-and-redis-php-client.html
Try this at your end : https://gist.github.com/Sidereal/3953563. If Redis server is already installed skip that step and simply install compatible version of redis client and update your php.ini accordingly.