PHP | SplObjectStorage offsetGet() Function

The SplObjectStorage::offsetGet() function is an inbuilt function in PHP which 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 fetch.

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:

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

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Output:

string(13) "GeeksforGeeks"

Program 2:

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<?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, "GeksforGeeks");
$str->attach($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)); 
  
?>

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Output:

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

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



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