PHP | SplObjectStorage unserialize() Function
The SplObjectStorage::unserialize() function is an inbuilt function in PHP which is used to unserialize the storage from its serialize string representation.
Syntax:
void SplObjectStorage::unserialize( $serilize )
Parameters: This function accepts a single parameter $serialize which specifies the string serialization of the storage.
Return Value: This function does not return any value.
Below programs illustrate the SplObjectStorage::unserialize() function in PHP:
Program 1:
<?php $obj1 = new StdClass; // Create an empty SplObjectStorage$gfg1 = new SplObjectStorage();$gfg1[$obj1] = "Geeks"; // Use unserialize() function$gfg1->unserialize($gfg1->serialize());print_r($gfg1); ?> |
Output:
SplObjectStorage Object
(
[storage:SplObjectStorage:private] => Array
(
[00000000494fcd4d000000001f544823] => Array
(
[obj] => stdClass Object
(
)
[inf] => Geeks
)
[00000000494fcd4f000000001f544823] => Array
(
[obj] => stdClass Object
(
)
[inf] => Geeks
)
)
)
Program 2:
<?php $obj1 = new StdClass;$obj2 = new StdClass; // Create an empty SplObjectStorage$gfg1 = new SplObjectStorage();$gfg1[$obj1] = "Geeks"; // Create an empty SplObjectStorage$gfg2 = new SplObjectStorage();$gfg2[$obj1] = "GFG";$gfg2[$obj2] = "GeeksClasses"; // Use unserialize() function$gfg1->unserialize($gfg2->serialize());var_dump(count($gfg1)); // Use unserialize() function$gfg2->unserialize($gfg1->serialize());var_dump(count($gfg2));?> |
Output:
int(3) int(5)
Reference: https://www.php.net/manual/en/splobjectstorage.unserialize.php
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