= 5.5.0, PHP 7, PHP 8)SplDoublyLinkedList::add — Add/insert a new value at the specified index說(shuō)明public SplDoublyLinked">

SplDoublyLinkedList::add

(PHP 5 >= 5.5.0, PHP 7, PHP 8)

SplDoublyLinkedList::add — Add/insert a new value at the specified index

說(shuō)明

public SplDoublyLinkedList::add(int $index, mixed $value): void

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

參數(shù)

index

The index where the new value is to be inserted.

value

The new value for the index.

返回值

沒(méi)有返回值。

錯(cuò)誤／異常

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