Scrutinizer Auto-Fixes

@Spomky requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/Spomky-Labs/otphp/inspections/105626d2-7d67-479c-b930-945c2c54edce

Enabled analysis tools:
 - PHP Analyzer
 - PHP Mess Detector
 - PHP Code Sniffer
 - Security Advisory Checker
 - PHP Code Coverage
 - PHP Copy/Paste Detector
 - PHP PDepend
 - PHP Change Tracking Analyzer