PHP SplObjectStorage addAll() Function

Last Updated : 23 Jun, 2023
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The SplObjectStorage::addAll() function is an inbuilt function in PHP which is used to add elements from another storage. Syntax: 
void SplObjectStorage::addAll( $value )
Parameters: This function accepts a single parameter $value which holds an storage which need to import. Return Value: It does not return any value. Below programs illustrate the SplObjectStorage::addAll() function in PHP: Program 1: php 
<?php

// Declare an empty std class
$obj = new StdClass;

// Declare an empty SplObjectStorage
$gfg = new SplObjectStorage();

$gfg[$obj] = "GeeksforGeeks";

$gfg1 = new SplObjectStorage();
$gfg1->addAll($gfg);

// Print result added to storage object
echo $gfg1[$obj] . "\n";
?>
Output: 
GeeksforGeeks
Program 2: php 
<?php

// Declare an empty std class
$obj = new StdClass;
$obj2 = new StdClass;

// Declare an empty SplObjectStorage
$gfg = new SplObjectStorage();
$gfg[$obj] = "GeeksforGeeks";
$gfg[$obj2] = "GeeksforGeeks2";

$gfg1 = new SplObjectStorage();
$gfg1->addAll($gfg);

// Print result with whole object
print_r($gfg1);
?>
Output: 
SplObjectStorage Object
(
    [storage:SplObjectStorage:private] => Array
        (
            [00000000219a7b260000000055def3bf] => Array
                (
                    [obj] => stdClass Object
                        (
                        )

                    [inf] => GeeksforGeeks
                )

            [00000000219a7b250000000055def3bf] => Array
                (
                    [obj] => stdClass Object
                        (
                        )

                    [inf] => GeeksforGeeks2
                )

        )

)
Reference: https://www.php.net/manual/en/splobjectstorage.addall.php

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PHP SplObjectStorage count() Function

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