Prevent deprecate message

[edwinheij]

preg_replace(): Passing null to parameter #3 ($subject) of type array|string is deprecated

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Motivation

• [x] Bug fix
• [ ] Enhancement
• [ ] New feature
• [ ] Breaking change

Description

This Pull Request prevents a deprecation message

Related Issue(s): none.

Documentation

This PR requires Documentation update?

• [ ] Yes
• [x] No
• [ ] I have already submitted a Documentation pull request.

[luanfreitasdev]

Thanks!