PHP SplObjectStorage setInfo() Function

The SplObjectStorage::setInfo() function is an inbuilt function in PHP which is used to set the data associated with the current iterator entry.

Syntax:

void SplObjectStorage::setInfo( $val )

Parameters: This function accepts a single parameter $val which specifies the data to be associate to the current iterator entry of the storage.

Return Value: This function does not return any value.

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

Program 1:

<?php

$str = new SplObjectStorage();

$obj1 = new StdClass;

$str->attach($obj1, "GeeksforGeeks");

$str->rewind();

// Set new info for $obj1 in storage $str
$str->setInfo("new_GeeksforGeeks");

// Print Result
var_dump($str[$obj1]);
?>

Output:

string(17) "new_GeeksforGeeks"

Program 2:

<?php

$obj1 = new StdClass;
$obj2 = new StdClass;
$obj3 = new StdClass;

$gfg = new SplObjectStorage();
$gfg[$obj1] = "GFG";
$gfg[$obj2] = "GeeksClasses";
$gfg[$obj3] = "SUDO";

// Using rewind function
$gfg->rewind();

while($gfg->valid()) {

    $gfg->setInfo("Modified_GFG_DATA");
    var_dump($gfg->getInfo());

    // Moving to next element
    $gfg->next();
}
?>

Output:

string(17) "Modified_GFG_DATA"
string(17) "Modified_GFG_DATA"
string(17) "Modified_GFG_DATA"

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