With all versions of PHP 7 now officially EOL (end of life) any plugins you develop, or have developed, must support PHP 8. While WordPress does run on PHP 8, many plugins still do not support it fully. In this workshop, we'll look at how to can test your plugins for PHP compatibility, in order to get them updated.

1. 1
PHP compatibility testing with
PHPCompatibilityWP
Jonathan Bossenger
Learn.WordPress.org

2. 2
👋🏽 Welcome!
As you join, let everyone know in the chat where you’re
joining us from, and feel free to share a little about what
you do with WordPress.
Hello!
○ My name is Jonathan Bossenger
○ From Cape Town, South Africa
○ Developer educator at Automattic
○ Sponsored to work with the Training Team
○ jonathanbossenger.com

3. Learn.WordPress.org
PHP compatibility testing
with PHPCompatibilityWP
Jonathan Bossenger

4. Announcements
○ Welcome.
○ Please let me know if you can’t see this slide!
○ We are presenting in focus mode, but please feel free to enable your video.
○ You are welcome to ask questions.
○ You are welcome to post questions in the chat, or unmute to ask questions.

5. Announcements
○ This is an update to a previous workshop
○ If I am going too fast, please let me know!
○ We are recording this session and will be posting it to https://wordpress.tv/ afterwards.
○ https://learn.wordpress.org/ - WordPress learning resources
○ https://developer.wordpress.org/news/ - WordPress developer news
○ 2023 Annual WordPress Survey - https://wordpress.org/news/2023/09/help-influence-
the-future-of-wordpress-by-taking-the-2023-annual-survey-today/

6. Learning outcomes
○ PHPCompatibilityWP
• Why test for PHP version compatibility?
• Where to find information on PHP version changes?
• Manual compatibility testing.
• Scanning your code using PHPCompatibilityWP.
• A note on PHPCompatibility versions.
• Considerations.

7. Question time
○ On a scale of 1 to 5, how well do you know this topic?

8. Requirements
○ A Terminal
○ Composer
○ A local WordPress installation
○ A text editor

9. Let’s go!

10. Resources
○ https://github.com/WordPress/Learn/issues/1893
○ https://www.php.net/supported-versions.php
○ https://www.php.net/manual/en/migration80.php
○ https://github.com/PHPCompatibility/PHPCompatibility
○ https://github.com/squizlabs/PHP_CodeSniffer
○ https://github.com/PHPCompatibility/PHPCompatibilityWP
○ https://docs.wpvip.com/technical-references/php/version-updates/phpcs-scans/#Upcoming-
releases-of-PHPCompatibility