Why plugins extend functionality in Wordpress - Test Your Understanding

Practice - 5 Tasks

1fill in blank

easy

Complete the code to activate a plugin in WordPress.

Wordpress

activate_plugin('[1]');

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

Aplugin-slug/plugin-file.php

Bwp-content/plugins

Cthemes/plugin.php

Dindex.php

Attempts:

3 left

💡 Hint

Common Mistakes

Using the themes folder path instead of plugins.

Using just the folder name without the main plugin file.

To activate a plugin, you need to specify its main file path relative to the plugins folder.

2fill in blank

medium

Complete the code to add a plugin's functionality using a WordPress hook.

Wordpress

add_action('init', [1]);

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

A'admin_menu'

B'my_plugin_function'

C'the_content'

D'wp_head'

Attempts:

3 left

💡 Hint

Common Mistakes

Using a hook name instead of a function name.

Not using quotes around the function name.

The 'init' hook runs early, and you add your plugin's function name as a string to attach it.

3fill in blank

hard

Fix the error in the plugin activation code below by filling the blank.

Wordpress

if ( !function_exists( '[1]' ) ) {
    function my_plugin_function() {
        // plugin code
    }
}

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

Aadd_action

Bactivate_plugin

Cmy_plugin_function

Dplugin_dir_path

Attempts:

3 left

💡 Hint

Common Mistakes

Using a WordPress function name instead of the plugin function.

Leaving the blank empty.

This checks if the function 'my_plugin_function' exists before defining it to avoid errors.

4fill in blank

hard

Fill both blanks to correctly register a shortcode in a plugin.

Wordpress

add_shortcode('[1]', [2]);

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

Amy_shortcode

B'my_shortcode_function'

Cinit

Dthe_content

Attempts:

3 left

💡 Hint

Common Mistakes

Using hook names instead of shortcode tag.

Mixing function names with hook names.

The first blank is the shortcode tag, and the second is the function that runs when the shortcode is used.

5fill in blank

hard

Fill all three blanks to create a plugin that adds a custom menu item in the admin dashboard.

Wordpress

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

function [3]() {
    add_menu_page('Custom Page', 'Custom Menu', 'manage_options', 'custom_slug', 'custom_page_callback');
}

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

Aadmin_menu

Bregister_custom_menu

Cinit

Dcustom_menu_function

Attempts:

3 left

💡 Hint

Common Mistakes

Using wrong hook names like 'init'.

Mismatching function names between hook and definition.

The 'admin_menu' hook is used to add menu items. The function name must match in both places.