Scrutinizer Auto-Fixes

@fangface requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/fangface/yii2-concord/inspections/f44312cd-2748-4bb5-87b0-5e8e2694627c

Enabled analysis tools:
 - PHP Analyzer
 - PHP PDepend
 - External Code Coverage