Calls the ‘all’ hook, which will process the functions hooked into it.

Builds Unique ID for storage and retrieval.

Adds a callback function to an action hook.

Adds a callback function to a filter hook.

Calls the callback functions that have been added to a filter hook.

Fires functions attached to a deprecated filter hook.

Calls the callback functions that have been added to a filter hook, specifying arguments in an array.

Retrieves the name of the current action hook.

Retrieves the name of the current filter hook.

Retrieves the number of times an action has been fired during the current request.