Scrutinizer Auto-Fixes

@cfoellmann requested this pull request.

This patch was automatically generated as part of the following inspection:
https://scrutinizer-ci.com/g/wp-cloud/extended-link-manager/inspections/df073109-ca82-49ff-8013-611252f281c7

Enabled analysis tools:
 - PHP Analyzer
 - PHP Code Sniffer
 - PHP CS Fixer
 - Security Advisory Checker
 - PHP Copy/Paste Detector
 - PHP PDepend