[Solved] What will be the output when the following code runs in a WordPress theme?add_action('wp_head', function() { echo ''; }); | Wordpress

Wordpress - WordPress Hooks System

What will be the output when the following code runs in a WordPress theme?

add_action('wp_head', function() { echo '<!-- Header comment -->'; });

AThe code will cause a fatal error due to incorrect hook usage.

BThe comment  will appear inside the HTML <head> section.

CThe comment will not appear because anonymous functions are not allowed.

DThe comment will appear at the bottom of the page before </body>.

Step-by-Step Solution

Solution:

Step 1: Understand the wp_head hook timing
The wp_head hook runs inside the HTML <head> section of the page.
Step 2: Analyze the anonymous function output
The function echoes an HTML comment, so it will be output exactly where the hook runs, inside <head>.
Final Answer:
The comment  will appear inside the HTML <head> section. -> Option B
Quick Check:
wp_head outputs inside <head> [OK]

Quick Trick: Remember wp_head outputs inside <head> tag [OK]

Common Mistakes:

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