The example Kirk provided is not the best option, there's a method "removeAll" that you can pass the SplObjectStore itself, and as the name says, remove all stored objects.
(PHP 5 >= 5.3.6, PHP 7)
SplObjectStorage::removeAllExcept — Removes all objects except for those contained in another storage from the current storage
Removes all objects except for those contained in another storage from the current storage.
storage
The storage containing the elements to retain in the current storage.
Nu este întoarsă nici o valoare.
Example #1 SplObjectStorage::removeAllExcept() example
<?php
$a = (object) 'a';
$b = (object) 'b';
$c = (object) 'c';
$foo = new SplObjectStorage;
$foo->attach($a);
$foo->attach($b);
$bar = new SplObjectStorage;
$bar->attach($b);
$bar->attach($c);
$foo->removeAllExcept($bar);
var_dump($foo->contains($a));
var_dump($foo->contains($b));
?>
Exemplul de mai sus va afișa ceva similar cu:
bool(false) bool(true)
The example Kirk provided is not the best option, there's a method "removeAll" that you can pass the SplObjectStore itself, and as the name says, remove all stored objects.
You may remove all elements by passing empty SplObjectStorage
$splStorage->removeAllExcept(new SplObjectStorage());