WordPress Quality Control & Assurance 5

Question 1

A theme QA audit reveals the theme does not call wp_head() in its header template. What critical functionality does this break?

Accepted Answer

Plugin-injected scripts, styles, and meta tags

Answer

wp_head() is the hook that plugins and WordPress core use to inject scripts, stylesheets, and meta tags into the <head> section.

Question 2

During QA for a WordPress update, which step should be performed on a staging environment BEFORE applying updates to production?

Accepted Answer

Test the update, run functional checks, and verify no plugin conflicts

Answer

Testing updates on staging and verifying functionality and plugin compatibility prevents downtime and broken production sites.

Question 3

Which WordPress hook is the correct place to run QA-related code that must execute after all plugins are loaded?

Accepted Answer

plugins_loaded

Answer

The plugins_loaded hook fires immediately after all active plugins are loaded, making it the earliest safe point to interact with plugin functions.

Question 4

When checking a custom REST API endpoint for proper authentication QA, which function verifies that the current user has a specific capability?

Accepted Answer

current_user_can()

Answer

current_user_can() checks whether the currently authenticated user has a specific capability, and is the standard capability check for REST permission callbacks.

Question 5

In WordPress multisite QA, which function checks if the current site is the network's main site?

Accepted Answer

is_main_site()

Answer

is_main_site() returns true only when the current site is the primary site of the WordPress multisite network.

WordPress Practice Test

WordPress Practice Test

WordPress Quality Control & Assurance 5