wp_doc_link_parse in /wp-admin/includes/misc.php
3609
Continue readingKill WordPress execution and display HTML message with error message.This function complements the die() PHP function. The difference is that HTML will be displayed to the user. It is recommended to use this function only, when the execution should not continue any further. It is not recommended to call this function very often and try to handle as many errors as possible silently.
3607
Continue readingRemove user and optionally reassign posts and links to another user.If the $reassign parameter is not assigned to an User ID, then all posts will be deleted of that user. The action ‘delete_user’ that is passed the User ID being deleted will be run after the posts are either reassigned or deleted. The user meta will also be deleted that are for that User ID.
3601
Continue reading