Scrutinizer Auto-Fixes

@jakoch requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/KSST/KF/inspections/50426460-976c-4632-981e-9591160a8fa2

Enabled analysis tools:
 - PHP Analyzer
 - PHP Mess Detector
 - PHP Code Sniffer
 - PHP CS Fixer
 - PHP PDepend
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer