@since: 4.7.0

Sets a value at a specified offset.

Unsets a specified offset.

Returns the current element.

Hooks a function or method to a specific filter action.

Moves forward to the next element.

Handles resetting callback priority keys mid-iteration.

Returns the key of the current element.

Unhooks a function or method from a specific filter action.

Checks if current position is valid.

Checks if a specific action has been registered for this hook.

Rewinds the Iterator to the first element.

Checks if any callbacks have been registered for this hook.

Removes all callbacks from the current filter.

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