add_action and add_filter in Wordpress - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to add a function to run when WordPress initializes.

Wordpress

add_action('[1]', 'my_init_function');

Drag options to blanks, or click blank then click option'

Ainit

Bwp_head

Cthe_content

Dadmin_menu

Attempts:

3 left

💡 Hint

Common Mistakes

Using a hook that runs too late like 'the_content'.

Confusing action hooks with filter hooks.

The init hook runs early in WordPress loading, perfect for initialization tasks.

2fill in blank

medium

Complete the code to modify post content using a filter.

Wordpress

add_filter('the_content', '[1]');

Drag options to blanks, or click blank then click option'

Awp_footer

Benqueue_scripts

Cmodify_content

Dadmin_init

Attempts:

3 left

💡 Hint

Common Mistakes

Using a hook name instead of a function name.

Passing a WordPress hook name instead of a function.

The function modify_content will be called to change the post content before display.

3fill in blank

hard

Fix the error in this code that tries to add an action.

Wordpress

add_action('wp_footer', [1]);

Drag options to blanks, or click blank then click option'

A'wp_footer'

Bfooter_function()

Cwp_footer

D'footer_function'

Attempts:

3 left

💡 Hint

Common Mistakes

Calling the function instead of passing its name.

Passing the hook name instead of the function name.

The function name must be passed as a string without parentheses.

4fill in blank

hard

Fill both blanks to add a filter that changes the title and set priority to 10.

Wordpress

add_filter('[1]', '[2]', 10);

Drag options to blanks, or click blank then click option'

Athe_title

Bmodify_title

Cthe_content

Dchange_title

Attempts:

3 left

💡 Hint

Common Mistakes

Mixing up content and title filters.

Using function names that don't exist.

The the_title filter changes post titles, and modify_title is the function that modifies it.

5fill in blank

hard

Fill all three blanks to add an action with a callback and priority 20.

Wordpress

add_action('[1]', '[2]', [3]);

Drag options to blanks, or click blank then click option'

Awp_enqueue_scripts

Bload_scripts

C20

Dinit

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong hook names for scripts.

Passing priority as a string instead of a number.

This adds an action on wp_enqueue_scripts to run load_scripts with priority 20.