Scrutinizer Auto-Fixes

@Niktux requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/Niktux/solidifier/inspections/9bf566fa-f81a-46aa-8189-11268875aead

Enabled analysis tools:
 - PHP Analyzer
 - PHP PDepend
 - PHP Similarity Analyzer
 - PHP Change Tracking Analyzer