Scrutinizer Auto-Fixes

@felixgirault requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/felixgirault/essence/inspections/9f1c2208-df13-4576-9cf6-aaf2f9ed1c16

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