This article explains how to use the `has_post_thumbnail()` function in WordPress to determine if a post has an image attached, such as a featured image or an image in the…
Learn how to use the deprecated `graceful_fail()` function in WordPress for graceful failure handling, and discover why you should switch to using `wp_die()` instead
Learn how to use the WordPress 'get_user_by' function in this article, which retrieves user information based on various fields like user ID, slug, email address, or login name