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.
SplObjectStorage::removeAllExcept
(PHP 5 >= 5.3.6, PHP 7, PHP 8)
SplObjectStorage::removeAllExcept — Removes all objects except for those contained in another storage from the current storage
Descrizione
Removes all objects except for those contained in another storage from the current storage.
Elenco dei parametri
-
storage -
The storage containing the elements to retain in the current storage.
Valori restituiti
Returns the number of remaining objects.
Esempi
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));
?>Il precedente esempio visualizzerà qualcosa simile a:
bool(false) bool(true)
add a note
User Contributed Notes 2 notes
hizer at hizercache dot com ¶
8 years ago
kirk at wa dot net dot ua ¶
13 years ago
You may remove all elements by passing empty SplObjectStorage
$splStorage->removeAllExcept(new SplObjectStorage());
