PHP SplObjectStorage getinfo() Function

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The SplObjectStorage::getinfo() function is an inbuilt function in PHP that is used to get the data associated with the object by the current iterator position.

Syntax:

mixed SplObjectStorage::getinfo()

Parameters: This function does not accept any parameter.

Return Value: This function returns the object associated by the current iterator position. The below programs illustrate the SplObjectStorage::getinfo() function in PHP.

Program 1:

php

<?php 
  
// Create New Empty Storage Class 
$str = new SplObjectStorage(); 
  
$obj1 = new StdClass; 
  
$str->attach($obj1, "zambiatek"); 
  
$str->rewind(); 
  
$object = $str->current();  
      
// Get info into $data  
$data   = $str->getInfo(); 
      
// Print Result 
var_dump($object); 
var_dump($data); 
  
?>

Output:

object(stdClass)#2 (0) {
}
string(12) "GeksforGeeks"

Program 2:

php

<?php 
// Create an Empty SplObjectStorage 
$str = new SplObjectStorage(); 
  
$obj1 = new StdClass; 
$obj2 = new StdClass; 
$obj3 = new StdClass; 
$obj4 = new StdClass; 
  
$str->attach($obj1, "zambiatek"); 
$str->attach($obj2, "GFG"); 
$str->attach($obj3); 
$str->attach($obj4, "DSA"); 
  
$str->rewind(); 
  
// Iterate and print data on each index 
while($str->valid()) { 
    $index  = $str->key(); 
    $object = $str->current();  
    $data   = $str->getInfo(); 
  
    var_dump($object); 
    var_dump($data); 
    $str->next(); 
} 
?>

Output:

object(stdClass)#2 (0) {
}
string(12) "GeksforGeeks"
object(stdClass)#3 (0) {
}
string(3) "GFG"
object(stdClass)#4 (0) {
}
NULL
object(stdClass)#5 (0) {
}
string(3) "DSA"

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