(PHP 5 >= 5.3.0)
SplObjectStorage::removeAll — Removes objects contained in another storage from the current storage
Removes objects contained in another storage from the current storage.
The storage containing the elements to remove.
No value is returned.
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));
?>
El resultado del ejemplo seria algo similar a:
int(2) int(1)