PHP | SplObjectStorage offsetSet() Function

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:

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<?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)); 
?>

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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
$str->offsetSet($obj1, "GeksforGeeks");
$str->offsetSet($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)); 
  
?>

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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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