Common filter hooks in Wordpress - Interactive Code Practice

Practice - 5 Tasks

1fill in blank

easy

Complete the code to add a filter that modifies the content.

Wordpress

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

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

Athe_title

Bwp_footer

Cinit

Dmodify_content

Attempts:

3 left

💡 Hint

Common Mistakes

Using an action hook name instead of a filter hook name.

Passing a hook name instead of a function name.

The the_content filter hook is used to modify post content before display. You need to pass the function name that will modify the content.

2fill in blank

medium

Complete the code to apply a filter to the post title.

Wordpress

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

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

Athe_content

Bthe_title

Cwp_head

Dinit

Attempts:

3 left

💡 Hint

Common Mistakes

Using 'the_content' instead of 'the_title'.

Using an action hook like 'init' instead of a filter hook.

The the_title filter hook allows you to modify the post title before it is displayed.

3fill in blank

hard

Fix the error in the filter hook to modify the excerpt.

Wordpress

add_filter('the_excerpt', [1]);

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

A'modify_excerpt'

Bmodify_excerpt

C'the_excerpt'

Dthe_excerpt

Attempts:

3 left

💡 Hint

Common Mistakes

Passing the function name without quotes.

Passing the hook name instead of the function name.

The function name must be passed as a string in quotes when adding a filter.

4fill in blank

hard

Fill both blanks to create a filter that changes the widget title with priority 15.

Wordpress

add_filter('[1]', '[2]', 15);

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

Awidget_title

Bchange_widget_title

Cthe_content

Dmodify_content

Attempts:

3 left

💡 Hint

Common Mistakes

Using content-related hooks instead of widget title hooks.

Using function names that do not match the hook purpose.

The widget_title filter modifies widget titles. You must provide the function name that changes the title.

5fill in blank

hard

Fill all three blanks to add a filter that modifies comment text with priority 20 and 2 accepted arguments.

Wordpress

add_filter('[1]', '[2]', 20, [3]);

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

Acomment_text

Bmodify_comment_text

C2

D1

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong hook names like 'comment_post'.

Setting incorrect number of accepted arguments.

The comment_text filter modifies comment text. Priority 20 means it runs later, and 2 means the function accepts two arguments.