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Showing posts from December, 2016

Sessions in PHP 7.1 and Redis

In case you have missed it, PHP 7.1.0 has been released recently. Now you can’t wait to upgrade your servers to the latest and greatest PHP version ever. But hold that thought a second… With PHP 7 lots of things have changed underneath the hood. But these changed features can also put unexpected challenges on your path. Our challenge One of these challenges that we faced was getting PHP 7.1 to play nice storing sessions in our Redis storage. In order to store sessions in Redis, we needed to install the Redis PHP extension that not only provides PHP functions for Redis, but also installs the PHP session handler for Redis. Because we upgraded our servers to PHP 7.1, we were looking to use the latest provided version for this Redis extension: redis-3.1.0. Once installed, we bumped against a nasty problem. Warning: session_start(): Failed to read session data: redis (path: tcp://127.0.0.1:6379) Searching the internet for this error, we didn’t got many hits that could point us into a dire…