Add/insert a new value at the specified index

(PHP 5 >= 5.5.0)

SplDoublyLinkedList::addAdd/insert a new value at the specified index


public void SplDoublyLinkedList::add ( mixed $index , mixed $newval )

Insert the value newval at the specified index, shuffling the previous value at that index (and all subsequent values) up through the list.

Список параметров


The index where the new value is to be inserted.


The new value for the index.

Возвращаемые значения

Эта функция не возвращает значения после выполнения.


Throws OutOfRangeException when index is out of bounds or when index cannot be parsed as an integer.