PHP | ArrayObject serialize() Function

The ArrayObject::serialize() function is an inbuilt function in PHP which is used to serialize the ArrayObject. Syntax:

string ArrayObject::serialize( void )

Parameters: This function does not accept any parameters. Return Value: This function returns the serialized representation of the ArrayObject. Below program illustrates the ArrayObject::serialize() function in PHP: Program: php

<?php 
// PHP program to illustrate the 
// ArrayObject::serialize() function 

// Declare an associative array
$arr = array(
    "a" => "Welcome",
    "b" => "to", 
    "c" => "GeeksforGeeks"
); 

// Create array object 
$arrObject = new ArrayObject($arr); 

// Use ArrayObject::serialize() function
// to get the behavior of flags
$serialize1 = serialize($arrObject);
$serialize2 = $arrObject->serialize();

// Display the result
var_dump($serialize1); 
var_dump($serialize2); 

?> 

Reference: https://www.php.net/manual/en/arrayobject.serialize.php