[Solved] What will be the output of this code?function say_hello() { echo 'Hello '; } add_action('wp_footer', 'say_hello'); do_action('wp_footer'); | Wordpress

Wordpress - WordPress Hooks System

What will be the output of this code?

function say_hello() {
  echo 'Hello '; 
}
add_action('wp_footer', 'say_hello');
do_action('wp_footer');

Asay_hello

BHello

Cwp_footer

DNo output

Step-by-Step Solution

Solution:

Step 1: Understand add_action and do_action
The function say_hello is hooked to wp_footer and will run when do_action('wp_footer') is called.
Step 2: Check the function output
The function echoes 'Hello ', so this string will be printed.
Final Answer:
Hello -> Option B
Quick Check:
Hooked function output runs on do_action [OK]

Quick Trick: do_action runs hooked functions and shows their output [OK]

Common Mistakes:

Master "WordPress Hooks System" in Wordpress

9 interactive learning modes - each teaches the same concept differently

More Wordpress Quizzes

What will be the output of this code?