Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/Kunstmaan/skylab/inspections/35ec1f66-0b1f-406d-bfd3-8dc6547e029b

Enabled analysis tools:
 - PHP Analyzer
 - PHP Mess Detector
 - PHP Code Sniffer
 - PHP CS Fixer
 - Security Advisory Checker
 - PHP Copy/Paste Detector
 - PHP Lines Of Code
 - PHP PDepend
 - PHP HHVM
 - PHP Change Tracking Analyzer
Merge pull request #26 from roderik/scrutinizer-patch-1

Fix: Scrutinizer Auto-Fixes