PHP | SplDoublyLinkedList unserialize() Function
The SplDoublyLinkedList::unserialize() function is an inbuilt function in PHP which is used to unserialize the storage of SplDoublyLinkedList::serialize() function.
Syntax:
void SplDoublyLinkedList::unserialize( string $serialized )
Parameters: This function accepts single parameter $serialized which holds the serialized string.
Return Value: This function does not return any value.
Below programs illustrate the SplDoublyLinkedList::unserialize() function in PHP:
Program 1:
<?php
$list = new SplDoublyLinkedList();
$list ->push(1);
$list ->push(2);
$list ->push(3);
$list ->push(8);
$list ->push(5);
$serialize = serialize( $list );
echo $serialize . "\n" ;
$unserialze = unserialize( $serialize );
print_r( $unserialze );
?>
|
Output:
C:19:"SplDoublyLinkedList":29:{i:0;:i:1;:i:2;:i:3;:i:8;:i:5;}
SplDoublyLinkedList Object
(
[flags:SplDoublyLinkedList:private] => 0
[dllist:SplDoublyLinkedList:private] => Array
(
[0] => 1
[1] => 2
[2] => 3
[3] => 8
[4] => 5
)
)
Program 2:
<?php
$list = new SplDoublyLinkedList();
$list ->add(0, "Welcome" );
$list ->add(1, "to" );
$list ->add(2, "GeeksforGeeks" );
$list ->add(3, "A" );
$list ->add(4, 'Computer' );
$list ->add(5, "Science" );
$list ->add(6, 'Portal' );
$serialize = serialize( $list );
echo $serialize . "\n" ;
$unserialze = unserialize( $serialize );
print_r( $unserialze );
?>
|
Output:
C:19:”SplDoublyLinkedList”:105:{i:0;:s:7:”Welcome”;:s:2:”to”;:s:13:”GeeksforGeeks”;:s:1:”A”;:s:8:”Computer”;:s:7:”Science”;:s:6:”Portal”;}
SplDoublyLinkedList Object
(
[flags:SplDoublyLinkedList:private] => 0
[dllist:SplDoublyLinkedList:private] => Array
(
[0] => Welcome
[1] => to
[2] => GeeksforGeeks
[3] => A
[4] => Computer
[5] => Science
[6] => Portal
)
)
Reference: https://www.php.net/manual/en/spldoublylinkedlist.unserialize.php
Last Updated :
21 Nov, 2019
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