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
Beschreibung
Removes all objects except for those contained in another storage from the current storage.
Parameter-Liste
-
storage
-
The storage containing the elements to retain in the current storage.
Rückgabewerte
Returns the number of remaining objects.
Beispiele
Beispiel #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));
?>
Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:
bool(false) bool(true)