Scrutinizer Auto-Fixes

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/phpbb/phpbb-website/inspections/7503aa6f-ab2f-47a0-80aa-88a84955cbc4

Enabled analysis tools:
 - PHP Analyzer
 - PHP Mess Detector
 - PHP Code Sniffer
 - PHP CS Fixer
 - Security Advisory Checker
 - PHP Copy/Paste Detector
 - PHP Lines Of Code
 - PHP PDepend