You can call:
$storage->removeAll($storage);
To remove all elements.
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplObjectStorage::removeAll — Removes objects contained in another storage from the current storage
Removes objects contained in another storage from the current storage.
storageThe storage containing the elements to remove.
Returns the number of remaining objects.
Приклад #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));
?>Поданий вище приклад виведе щось схоже на:
int(2) int(1)
You can call:
$storage->removeAll($storage);
To remove all elements.