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Common WordPress APIs:
Global Variables
Jonathan Bossenger
Learn.WordPress.org

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👋🏽 Welcome!
As you join, let everyone know in the chat where you’re
joining us from…
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
Global Variables
Jonathan Bossenger

4. Announcements
○ Welcome.
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○ You are welcome to ask questions.
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5. Announcements
○ Make sure your local install is ready
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6. Learning outcomes
○ What are global variables in PHP?
○ How to define global variables to use them?
○ Why global variables are considered bad?
○ What global variables are available in WordPress?
○ How to interact with WordPress global variables?

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

8. Requirements
○ A default local WordPress install
○ A text editor
○ At least one active theme and plugin
• I’ll be using Twenty Twenty-Three and Create Block Theme

9. Let’s go!

10. Resources
○ https://www.php.net/manual/en/language.variables.scope.php
○ https://developer.wordpress.org/apis/global-variables/