Scrutinizer Auto-Fixes

@leonrenkema requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/leonrenkema/php-core/inspections/12a291c6-528c-4a94-9700-ff65b2c30e65

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