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PHP SplObjectStorage offsetSet() Function

Last Updated : 23 Jun, 2023

The SplObjectStorage::offsetSet() function is an inbuilt function in PHP which is used to set the object of storage. Syntax:

void SplObjectStorage::offsetSet($obj, $val)

Parameters: This function accept two parameters as mention above and described below:

$obj: It specifies the object to be attach.
$val: It specifies the value to be associate with the object.

Return Value: This function does not return any value. Below programs illustrate the SplObjectStorage::offsetSet() function in PHP: Program 1:

php

<?php 
  
// Create an empty SplObjectStorage 
$str = new SplObjectStorage; 
$obj = new StdClass; 
  
// Set offset $obj to $str  
$str->offsetSet($obj, "GeeksforGeeks"); 
  
// Print Result 
var_dump($str->offsetGet($obj));  
?> 

Output:

string(13) "GeeksforGeeks"

Program 2:

php

<?php 
  
// Create an Empty SplObjectStorage 
$str = new SplObjectStorage(); 
   
$obj1 = new StdClass; 
$obj2 = new StdClass; 
$obj3 = new StdClass; 
$obj4 = new StdClass; 
  
// Attach objects 
$str->offsetSet($obj1, "GeeksforGeeks"); 
$str->offsetSet($obj2, "GFG"); 
$str->offsetSet($obj3); 
$str->offsetSet($obj4, "Hello GFG"); 
  
// Print result 
var_dump($str->offsetGet($obj1));  
var_dump($str->offsetGet($obj2));  
var_dump($str->offsetGet($obj4));  
var_dump($str->offsetGet($obj3));  
  
?> 

Output:

string(12) "GeksforGeeks"
string(3) "GFG"
string(9) "Hello GFG"
NULL

Reference: https://www.php.net/manual/en/splobjectstorage.offsetset.php

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