SplDoublyLinkedList::unserialize()函数是PHP中的一个内置函数,用于反序列化SplDoublyLinkedList::serialize()存储。
用法:
void SplDoublyLinkedList::unserialize( string $serialized )
参数:此函数接受单个参数$serialized,该参数保存序列化的字符串。
返回值:该函数不返回任何值。
以下示例程序旨在说明PHP中的SplDoublyLinkedList::unserialize()函数:
程序1:
<?php
// Declare an empty SplDoublyLinkedList
$list = new SplDoublyLinkedList();
// Use SplDoublyLinkedList::push() function to
// add elements to the SplDoublyLinkedList
$list->push(1);
$list->push(2);
$list->push(3);
$list->push(8);
$list->push(5);
// Use SplDoublyLinkedList::serialize() function
// to serialize the object
$serialize = serialize($list);
echo $serialize . "\n";
// Use SplDoublyLinkedList::unserialize() function
// to unserialize the object
$unserialze = unserialize($serialize);
print_r($unserialze);
?>
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 ) )
程序2:
<?php
// Declare an empty SplDoublyLinkedList
$list = new SplDoublyLinkedList();
// Use SplDoublyLinkedList::add() function
// to add the element into the list
$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');
// Use SplDoublyLinkedList::serialize() function
// to serialize the object
$serialize = serialize($list);
echo $serialize . "\n";
// Use SplDoublyLinkedList::unserialize() function
// to unserialize the object
$unserialze = unserialize($serialize);
print_r($unserialze);
?>
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
))
参考: https://www.php.net/manual/en/spldoublylinkedlist.unserialize.php
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