PHP 8 Compatibility Check and Performance Tips.

Originally published at: PHP 8 Compatibility Check and Performance Tips.

PHP 7 was first released back on 03 Dec 2015. Yes, it’s been around a while! The PHP team encouraged upgrading to PHP 7, hailing its improvements such as being twice as fast, consistent 64-bit support, removing old and unsupported SAPIs and extensions, and improved fatal error resistance, to name a few. A few years…