SplDoublyLinkedList::__construct

SplDoublyLinkedList::__construct

(PHP 5 >= 5.3.0, PHP 7)

SplDoublyLinkedList::__construct — Constructs a new doubly linked list

Description

public SplDoublyLinkedList::__construct ( void )

This constructs a new empty doubly linked list.

Parameters

This function has no parameters.

Return Values

No value is returned.

Examples

Example #1 SplDoublyLinkedList::__construct() example

<?php
$dll = new SplDoublyLinkedList(

$dll->push(2
$dll->push(3
$dll->unshift(5

var_dump($dll
?>

​

The above example will output:

​

​

object(SplDoublyLinkedList)#1 (2) {
  ["flags":"SplDoublyLinkedList":private]=>
  int(0)
  ["dllist":"SplDoublyLinkedList":private]=>
  array(3) {
    [0]=>
    int(5)
    [1]=>
    int(2)
    [2]=>
    int(3)
  }
}

​

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https://secure.php.net/manual/en/spldoublylinkedlist.construct.php