Find hierarchy loops using a callback function that maps object IDs to parent IDs.

Use the “The Tortoise and the Hare” algorithm to detect loops.

Checks if two numbers are nearly the same.

Generate a random UUID (version 4).

Returns first matched extension for the mime-type, as mapped from wp_get_mime_types().

Gets the default URL to learn more about updating the site to use HTTPS.

Gets the default URL to learn more about updating the PHP version the site is running on.

Gets the URL for directly updating the PHP version the site is running on.

Gets the URL for directly updating the site to use HTTPS.

Retrieves the list of common file extensions and their types.