Open In App
Related Articles

PHP SplObjectStorage serialize() Function

Improve Article
Save Article
Like Article

The SplObjectStorage::serialize() function is an inbuilt function in PHP which is used to serialize the result of the storage.


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:

// Create new storage class
$str = new SplObjectStorage;
$obj = new StdClass;
$str->attach($obj, "GeeksforGeeks");
// Print serialize result 
echo $str->serialize();


x:i:1;O:8:"stdClass":0:{}, s:13:"GeeksforGeeks";;m:a:0:{}

Program 2:

$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");


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:{}


Whether you're preparing for your first job interview or aiming to upskill in this ever-evolving tech landscape, GeeksforGeeks Courses are your key to success. We provide top-quality content at affordable prices, all geared towards accelerating your growth in a time-bound manner. Join the millions we've already empowered, and we're here to do the same for you. Don't miss out - check it out now!

Last Updated : 23 Jun, 2023
Like Article
Save Article
Similar Reads
Complete Tutorials