Kadel Labs Sr. Wordpress Developer Interview Questions and Answers

WordPress.com is a hosted platform where you can create a website, while WordPress.org is a self-hosted platform where you download the software and host it on your own server.

• WordPress.com is a hosted platform where you can create a website without needing to worry about hosting, updates, or backups.

• WordPress.org is a self-hosted platform where you download the WordPress software and host it on your own server, giving...read more

Yes, I can create custom post types in Wordpress by using the register_post_type function.

• Use the register_post_type function to define a new custom post type

• Specify the labels, supports, and other parameters for the custom post type

• Add the register_post_type function in the functions.php file or a custom plugin

• Example: register_post_type( 'book', $args )

A child theme is created by creating a new directory in the themes folder and adding a style.css file with specific information.

• Create a new directory in the themes folder of your WordPress installation

• Inside the new directory, create a style.css file with specific information like Template, Theme Name, and Author

• Optionally, you can also add a functions.php file to enqueue stylesheets and scripts from the parent theme

• A...read more

Yes, I can extend the functionality of a theme and plugin.

• I can create custom functions and hooks to extend the functionality of a theme or plugin.

• I can modify existing code to add new features or improve existing ones.

• I have experience with creating child themes to customize the appearance and functionality of a theme.

• I can integrate third-party APIs or services to enhance the functionality of a theme or plugin.

Hooks and filters are essential components in WordPress that allow developers to modify or extend the functionality of WordPress core, themes, and plugins.

• Hooks are points in the WordPress code where developers can add their own code or modify existing code.

• Actions are hooks triggered by specific events in WordPress, such as when a post is published or a user logs in.

• Filters allow developers to modify data before it is...read more

Ajax can be included in WordPress by using the built-in admin-ajax.php file and enqueuing scripts properly.

• Use wp_enqueue_script() to include jQuery and your custom script

• Create a custom function in functions.php to handle the ajax request

• Use wp_ajax_{action} and wp_ajax_nopriv_{action} hooks to handle the ajax request

• Send data to admin-ajax.php using jQuery's $.ajax() method

Yes, I have worked on WP Rest API extensively.

• I have experience in creating custom endpoints using WP Rest API.

• I have integrated third-party services with WordPress using WP Rest API.

• I have used WP Rest API to fetch and display data from WordPress in external applications.

wp_get_remote is a WordPress function for making HTTP requests, while curl is a general-purpose library for making HTTP requests in PHP.

• wp_get_remote is a WordPress-specific function, while curl is a general-purpose library for making HTTP requests in PHP.

• wp_get_remote is easier to use for simple requests within WordPress, while curl offers more flexibility and control.

• wp_get_remote handles SSL verification and redirec...read more

To include a custom css and js file in WordPress, you can enqueue them using functions.php file.

• Use wp_enqueue_style() to include custom css file

• Use wp_enqueue_script() to include custom js file

• Add the enqueue functions in functions.php file of your theme

• Specify the file path and dependencies in the enqueue functions

Group product and variable product are types of product variations in WooCommerce.

• Group product allows customers to choose different variations of a product within a group, such as different colors or sizes.

• Variable product allows customers to choose variations of a product with different attributes, such as size, color, material, etc.

• Group product is used when variations are related and sold together, while variable p...read more

Upselling and downselling in WooCommerce involve offering customers additional products or services to increase the value of their purchase.

• Upselling is the practice of encouraging customers to buy a higher-end product or service than the one they originally intended.

• Downselling is the practice of offering customers a lower-priced alternative to the product or service they were considering.

• Examples: Upselling a custome...read more