PHP | ArrayIterator serialize() Function

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

string ArrayIterator::serialize( void )

Parameters: This function does not accept any parameters. Return Value: This function returns the serialized ArrayIterator. Below programs illustrate the ArrayIterator::serialize() function in PHP: Program 1: php

<?php

// Declare an ArrayIterator
$arrItr = new ArrayIterator(
    array('G', 'e', 'e', 'k', 's')
);

// Serialize the element
$serialize = $arrItr->serialize(); 

// Display the output
var_dump($serialize);

?>

Program 2: php

<?php
   
// Declare an ArrayIterator
$arrItr = new ArrayIterator(
    array(
        "a" => "Geeks",
        "b" => "for",
        "c" => "Geeks"
    )
);

// Append some elements
$arrItr->append("Computer"); 
$arrItr->append("Science"); 
$arrItr->append("Portal"); 
    
// Serialize the element
$serialize = $arrItr->serialize(); 

// Display the output
var_dump($serialize);
   
?>

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