SplDoublyLinkedList::offsetSet

(PHP 5 >= 5.3.0, PHP 7)

SplDoublyLinkedList::offsetSetSets the value at the specified $index to $newval

설명

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

Sets the value at the specified index to newval.

인수

index

The index being set.

newval

The new value for the index.

반환값

값을 반환하지 않습니다.

오류/예외

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

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User Contributed Notes 1 note

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chanel at lipski-development dot de
2 years ago
How to change elements of a SplDoublyLinkedList
<?php

function change_elements($list,$old_index,$new_index){
   
$tmp1=$list->offsetGet($old_index);
$tmp2=$list->offsetGet($new_index);
$list->offsetSet($old_index,$tmp2);
$list->offsetSet($new_index,$tmp1);

}

$list=new SplDoublyLinkedList();
$list->push("A");
$list->push("B");
$list->push("C");

/*
OUTPUT
A
B
C
*/

change_elements($list,0,1);

/*
OUTPUT
B
A
C
*/

?>
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