PHP SplDoublyLinkedList push() Function
Last Updated :
23 Jun, 2023
The SplDoublyLinkedList::push() function is an inbuilt function in PHP which is used to push an element at the end of the doubly linked list.
Syntax:
void SplDoublyLinkedList::push( $value )
Parameters: This function accepts a single parameter $value which holds an element to push it at the end of doubly linked list.
Return Value: It does not return any value.
Below programs illustrate the SplDoublyLinkedList::push() function in PHP:
Program 1:
<?php
$list = new \SplDoublyLinkedList();
$list ->push(1);
$list ->push(2);
$list ->push(3);
$list ->push(8);
$list ->push(5);
var_dump( $list );
?>
|
Output:
object(SplDoublyLinkedList)#1 (2) {
["flags":"SplDoublyLinkedList":private]=>
int(0)
["dllist":"SplDoublyLinkedList":private]=>
array(5) {
[0]=>
int(1)
[1]=>
int(2)
[2]=>
int(3)
[3]=>
int(8)
[4]=>
int(5)
}
}
Program 2:
<?php
$list = new \SplDoublyLinkedList();
$list ->push( "Welcome" );
$list ->push( "to" );
$list ->push( "GeeksforGeeks" );
$list ->push(5);
print_r( $list );
?>
|
Output:
SplDoublyLinkedList Object
(
[flags:SplDoublyLinkedList:private] => 0
[dllist:SplDoublyLinkedList:private] => Array
(
[0] => Welcome
[1] => to
[2] => GeeksforGeeks
[3] => 5
)
)
Reference: https://www.php.net/manual/en/spldoublylinkedlist.push.php
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