This was once used to display attachment links. Now it is deprecated and stubbed.

Removes an already registered taxonomy from an object type.

Calculates and compares the MD5 of a file to its expected value.

For Multisite blogs, checks if the authenticated user has been marked as a spammer, or if the user’s primary blog has been marked as spam.

Clears the plugins cache used by get_plugins() and by default, the plugin updates cache.

Use RegEx to extract URLs from arbitrary content.

Get installed translations.

Extract headers from a PO file.

Return an array of sites for a network or networks.

Retrieves a list of all language updates available.