Scrutinizer Auto-Fixes

@DeepDiver1975 requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/owncloud/web_hooks/inspections/bb58de12-2dde-46f1-ad11-0819546a78d2

Enabled analysis tools:
 - External Code Coverage
 - PHP Analyzer