PHP SplObjectStorage serialize() Function
Last Updated :
23 Jun, 2023
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The SplObjectStorage::serialize() function is an inbuilt function in PHP which is used to serialize the result of the storage.
Syntax:
php
php
string SplObjectStorage::serialize()Parameters: This function does not accept any parameter. Return Value: This function returns a string which is the representation of the storage. Below programs illustrate the SplObjectStorage::serialize() function in PHP: Program 1:
<?php
// Create new storage class
$str = new SplObjectStorage;
$obj = new StdClass;
$str->attach($obj, "GeeksforGeeks");
// Print serialize result
echo $str->serialize();
?>
<?php
// Create new storage class
$str = new SplObjectStorage;
$obj = new StdClass;
$str->attach($obj, "GeeksforGeeks");
// Print serialize result
echo $str->serialize();
?>
Output:
Program 2:
x:i:1;O:8:"stdClass":0:{}, s:13:"GeeksforGeeks";;m:a:0:{}
<?php
$obj1 = new StdClass;
$obj2 = new StdClass;
// Create new storage class
$gfg1 = new SplObjectStorage();
$gfg1[$obj1] = "Geeks";
// Create new storage class
$gfg2 = new SplObjectStorage();
$gfg2[$obj1] = "GFG";
$gfg2[$obj2] = "GeeksClasses";
print_r( $gfg1->serialize(). "\n");
echo( $gfg2->serialize()."\n");
?>
<?php
$obj1 = new StdClass;
$obj2 = new StdClass;
// Create new storage class
$gfg1 = new SplObjectStorage();
$gfg1[$obj1] = "Geeks";
// Create new storage class
$gfg2 = new SplObjectStorage();
$gfg2[$obj1] = "GFG";
$gfg2[$obj2] = "GeeksClasses";
print_r( $gfg1->serialize(). "\n");
echo( $gfg2->serialize()."\n");
?>
Output:
Reference: https://www.php.net/manual/en/splobjectstorage.serialize.php
x:i:1;O:8:"stdClass":0:{}, s:5:"Geeks";;m:a:0:{} x:i:2;O:8:"stdClass":0:{}, s:3:"GFG";;O:8:"stdClass":0:{}, s:12:"GeeksClasses";;m:a:0:{}