PHP | SplObjectStorage getinfo() Function

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, "GeeksforGeeks");

$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, "GeeksforGeeks");
$str->attach($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