SplObjectStorage::removeAllExcept

(PHP 5 >= 5.3.6, PHP 7)

SplObjectStorage::removeAllExceptRemoves all objects except for those contained in another storage from the current storage

Opis

public SplObjectStorage::removeAllExcept ( SplObjectStorage $storage ) : void

Removes all objects except for those contained in another storage from the current storage.

Parametry

storage

The storage containing the elements to retain in the current storage.

Zwracane wartości

Nie jest zwracana żadna wartość.

Przykłady

Przykład #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));
?>

Powyższy przykład wyświetli coś podobnego do:

bool(false)
bool(true)

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User Contributed Notes 2 notes

up
0
hizer at hizercache dot com
4 years ago
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.
up
-1
kirk at wa dot net dot ua
9 years ago
You may remove all elements by passing empty SplObjectStorage

$splStorage->removeAllExcept(new SplObjectStorage());
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