SplObjectStorage::removeAll

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplObjectStorage::removeAll — Removes objects contained in another storage from the current storage

Description

public SplObjectStorage::removeAll(SplObjectStorage $storage): int

Removes objects contained in another storage from the current storage.

Parameters

storage

The storage containing the elements to remove.

Return Values

Returns the number of remaining objects.

Examples

Example #1 SplObjectStorage::removeAll() example

<?php
$o1 = new stdClass;
$o2 = new stdClass;
$a = new SplObjectStorage();
$a[$o1] = "foo";

$b = new SplObjectStorage();
$b[$o1] = "bar";
$b[$o2] = "gee";

var_dump(count($b));
$b->removeAll($a);
var_dump(count($b));
?>

The above example will output something similar to:

int(2)
int(1)

See Also