Request and response handling in Wordpress - Cheat Sheet & Quick Revision

Recall & Review

beginner

What is the main purpose of request handling in WordPress?

Request handling in WordPress processes user inputs like URLs or form data to determine what content or action to deliver back as a response.

beginner

Which WordPress function is commonly used to get query variables from the URL?

The get_query_var() function retrieves specific query variables from the URL to help decide what content to show.

beginner

How does WordPress send a response back to the browser?

WordPress builds the page content using templates and then sends HTML as the response for the browser to display.

intermediate

What role does the wp_redirect() function play in response handling?

wp_redirect() sends a header to the browser telling it to go to a different URL, effectively redirecting the user.

intermediate

Why is it important to call exit; after wp_redirect()?

Calling exit; stops PHP from running more code after the redirect, ensuring the redirect happens immediately and cleanly.

Which WordPress function retrieves a query variable from the URL?

A the_content()

B wp_redirect()

C add_action()

D get_query_var()

get_query_var() is used to get query variables from the URL.

What does wp_redirect() do in WordPress?

A Sends a redirect header to the browser

B Retrieves post content

C Adds a new menu item

D Handles form submissions

wp_redirect() sends a header telling the browser to go to a new URL.

After calling wp_redirect(), what should you do next?

A Call get_query_var()

B Call exit; to stop further code execution

C Load the template file

D Nothing, just continue

Calling exit; after wp_redirect() ensures the redirect happens immediately.

How does WordPress decide what content to show for a request?

A By reading query variables and loading templates

B By sending a redirect header

C By running JavaScript on the client

D By calling wp_redirect()

WordPress uses query variables and templates to build the page content.

Which of these is NOT part of WordPress request handling?

A Processing URL parameters

B Building HTML response

C Compiling Java bytecode

D Sending redirect headers

WordPress does not compile Java bytecode; it handles PHP requests and responses.

Explain how WordPress handles a user request from URL to response.

Think about how WordPress reads the URL and decides what page to show.

Describe the purpose and correct usage of wp_redirect() in WordPress response handling.

Consider what happens when you want to send a user to a different page.