Scrutinizer Auto-Fixes

@cbergau requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/cbergau/clean_arch_shop/inspections/2061c4e4-b96c-4393-a961-03dc0f0f10d6

Enabled analysis tools:
 - PHP Analyzer
 - PHP Copy/Paste Detector
 - PHP PDepend
 - External Code Coverage
 - PHP Change Tracking Analyzer