Or, if you have the previous PhpStorm 2018.2 EAP build (182.3208.33) installed, you should soon get a notification in the IDE about a patch update. New inspection: Extension is missing in composer.json This build delivers new features, bug fixes, and improvements for PHP and the Web, and includes the latest improvements in IntelliJ Platform. We continue improving Composer support, and this time we’ve added a new inspection – Extension is missing in composer.json. The best explanation why listing required extensions is a good idea comes from Composer itself: The inspection detects the usages of functions, constants, and classes from PHP extensions that are not listed in composer.json. It is important to list PHP extensions your project requires. Not all PHP installations are created equal: some may miss extensions you may consider as standard (such as ext-mysqli which is not installed by default in Fedora/CentOS minimal installation systems).
