Scrutinizer Auto-Fixes

@frqnck requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/frqnck/apix-cache/inspections/4551a127-dba9-4e4d-af4f-0760327ca555

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