WordPress Developer Interview Questions – Top Interview Questions for WordPress

In this post we will see the WordPress developer interview questions. WordPress is one of the mostly used CMS in the world. Near 30% of the website are developed using WordPress. WordPress developers are more wanted nowadays. So we will try to help that developer to prepare for the interview. We will list very important interview question.

WordPress Developer Interview Questions

What is WordPress?

WordPress is a free and open source CMS based on PHP and MySQL. Using WordPress user can build several type of website from blog to e-commerce site.


List some Features of WordPress?

Simplicity
User Management
Media Management
Theme and Plugins support
Search Engine Optimized
Multilingual support
Build in Comments
Easy Installation and upgrades


Default User roles in WordPress?

Subscriber, Contributor, Author, Editor and Administrator. 


List some advantage in WordPress?

Open source and free.
Many plugins and theme are available.
CSS can be edited based on the user design.
Media files support.
Gutenberg Editor available.
SEO in build and also provide lot of SEO plugins.
Several user roles are available and also new roles can be creatable.
Customization is very easy.


List some disadvantage in WordPress?

PHP knowledge is must to edit the WordPress site.
Use of more plugins will affect site speed.
Need to update the plugins to current version otherwise security problem will rise.


Where is WordPress content stored?

In MySQL database WordPress content are stored.


What is an action hook?

An Action hook in WordPress is a hook that is triggered at a specific time when WordPress is running and lets you take an action. This can include things like creating a widget when WordPress is initializing or sending a tweet when someone publishes a post.


List some Action hooks?

has_action()
add_action()
do_action()
do_action_ref_array()
remove_action()


What is a filter hook?

A Filter hook in WordPress allows you get and modify WordPress data before it is sent to the database or the browser. Some examples of filters would include customizing how excerpts are displayed or adding some custom code to the end of a blog post or headings.


List some filter hooks?

has_filter()
add_filter()
apply_filters()
apply_filters_ref_array()
current_filter()


What is default table prefix in WordPress? Can it changeable?

wp_ is default prefix for WordPress. Yes, you can change the prefix during WordPress installation process.


How many default tables in WordPress Database and List them?

There are 12 default tables in WordPress Database. They are

wp_commentmeta
wp_comments
wp_links
wp_options
wp_postmeta
wp_posts
wp_terms
wp_termmeta
wp_term_relationships
wp_terms_taxonomy
wp_usermeta
wp_users

WordPress Developer Interview Questions

What is difference between installing and activating the theme?

Installing a theme means it act like just part of your site and does not control your site.

Activating the theme means that theme will control your entire site design, functionality etc..,


What is the template tag in WordPress?

The template tag is a PHP function used to generate and display information dynamically. WordPress developer used template tag to fetch and display dynamic data.


List some template tag in WordPress?

get_header()
wp_register()
get_sidebar()
wp_title()
wp_enqueue_script()


Is WordPress use cookies?

Yes, WordPress used cookies to verify the users while they are login.


What is child theme?

The child theme is nothing but an extension of parent theme. When we use parent theme if we do some think in code if theme update means we will loss that code to prevent this problem child theme is used. The child theme will control all the parent theme options and also more trouble-free.


Is WordPress safe and secure?

Yes, WordPress is safe and secure. Due to WordPress mostly used in the world hacker also target WordPress that must. So update your WordPress, theme and plugins to current version for more secure.


Function to get WordPress permalink?

get_permalink() – Retrieves the full permalink for the current post or post ID.


Which function is used to enqueue the script files?

wp_enqueue_script() function is used to register the script and enqueue it.


How to write the shortcode in WordPress?

Shortcodes are used in WordPress posts, pages, widgets, templates and PHP files also use shortcodes.

Shortcodes use like this
<code>[shortcode]</code>

In PHP files shortcodes use like this <code>
<?php echo do_shortcode(“[shortcode]”); ?></code>


In which cases you don’t see the plugin menu?

If you are not login as administrator in your WordPress dashboard then you cannot able to see the plugin menu. 

When you host the free account in wordpress.com their you cannot see the plugin menu also you cannot add plugins.

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