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PHP | ArrayIterator serialize() Function

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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
  
// Declare an ArrayIterator
$arrItr = new ArrayIterator(
    array('G', 'e', 'e', 'k', 's')
);
  
// Serialize the element
$serialize = $arrItr->serialize(); 
  
// Display the output
var_dump($serialize);
  
?>


Output:

string(81) “x:i:0;a:5:{i:0;s:1:”G”;i:1;s:1:”e”;i:2;s:1:”e”;i:3;s:1:”k”;i:4;s:1:”s”;};m:a:0:{}”

Program 2:




<?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);
     
?>


Output:

string(133) “x:i:0;a:6:{s:1:”a”;s:5:”Geeks”;s:1:”b”;s:3:”for”;s:1:”c”;s:5:”Geeks”;i:0;s:8:”Computer”;i:1;s:7:”Science”;i:2;s:6:”Portal”;};m:a:0:{}”

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



Last Updated : 21 Nov, 2019
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