Scrutinizer Auto-Fixes

@FabianSperrle requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/FabianSperrle/kn/inspections/5a2d50cd-7e3f-4123-be7a-93163246d141

Enabled analysis tools:
 - PHP Analyzer
 - PHP Mess Detector
 - PHP Code Sniffer
 - PHP CS Fixer
 - PHP Copy/Paste Detector
 - PHP PDepend