## Summary

<!-- Please reference the issue this PR addresses. -->
Addresses issue #

## Relevant technical choices

<!-- Please describe your changes. -->

## Checklist

- [ ] My code is tested and passes existing unit tests.
- [ ] My code has an appropriate set of unit tests which all pass.
- [ ] My code is backward-compatible with WordPress 4.7 and PHP 5.4.
- [ ] My code follows the [WordPress](https://make.wordpress.org/core/handbook/best-practices/coding-standards/) coding standards.
- [ ] My code has proper inline documentation.
- [ ] I have signed the Contributor License Agreement (see <https://cla.developers.google.com/>).

## Summary

<!-- Please reference the issue this PR addresses. -->
Addresses issue #

## Relevant technical choices

<!-- Please describe your changes. -->

## Checklist

- [ ] My code is tested and passes existing unit tests.
- [ ] My code has an appropriate set of unit tests which all pass.
- [ ] My code is backward-compatible with WordPress 4.7 and PHP 5.6.
- [ ] My code follows the [WordPress](https://make.wordpress.org/core/handbook/best-practices/coding-standards/) coding standards.
- [ ] My code has proper inline documentation.
- [ ] I have signed the Contributor License Agreement (see <https://cla.developers.google.com/>).

Update pull request template to reference PHP 5.6.
Update pull request template to reference PHP 5.6.
