WordPress Developer 3

Question 1

Which function registers a new custom post type in WordPress?

Accepted Answer

register_post_type()

Answer

register_post_type() is the official WordPress function for creating custom post types, called on the 'init' hook.

Question 2

In WordPress REST API, what HTTP method is used to partially update an existing resource?

Accepted Answer

PATCH

Answer

PATCH is used to partially update a resource, while PUT replaces the entire resource.

Question 3

What is the difference between wp_die() and die() in WordPress?

Accepted Answer

wp_die() outputs a formatted HTML page with proper headers and WordPress styling

Answer

wp_die() provides a properly formatted error page consistent with WordPress UI, while die() just halts PHP execution.

Question 4

Which WordPress function should you use to safely output user-submitted data in HTML attributes?

Accepted Answer

esc_attr()

Answer

esc_attr() escapes data for use in HTML attributes, encoding quotes and special characters appropriately.

Question 5

What argument in WP_Query lets you query posts from multiple custom taxonomies simultaneously?

Accepted Answer

tax_query

Answer

tax_query accepts an array of taxonomy parameters and supports 'relation' to combine multiple taxonomy queries.

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