PHP SplObjectStorage offsetGet() Function

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The SplObjectStorage::offsetGet() function is an inbuilt function in PHP that is used to get the data associated with the object.

Syntax:

object SplObjectStorage::offsetGet($obj)

Parameters: This function accepts a single parameter $obj which specifies the object to be fetched.

Return Value: This function returns the data previously associated with the object in the storage.

Below programs illustrate the SplObjectStorage::offsetGet() function in PHP:

Program 1:

php

<?php 
  
// Create an empty SplObjectStorage 
$str = new SplObjectStorage; 
$obj = new StdClass; 
  
// Attach $obj to $str  
$str->attach($obj, "zambiatek"); 
  
// Print Result 
var_dump($str->offsetGet($obj));  
?>

Output:

string(13) "zambiatek"

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 
$str->attach($obj1, "zambiatek"); 
$str->attach($obj2, "GFG"); 
$str->attach($obj3); 
$str->attach($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(13) "zambiatek"
string(3) "GFG"
string(9) "Hello GFG"
NULL

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

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