SplObjectStorage::removeAllExcept

(PHP 5 >= 5.3.6)

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

Опис

public void SplObjectStorage::removeAllExcept ( SplObjectStorage $storage )

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

Параметри

storage

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

Значення, що повертаються

Не повертає значень.

Приклади

Приклад #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));
?>

Наведений вище приклад виведе щось подібне до:

bool(false)
bool(true)

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User Contributed Notes 2 notes

up
0
kirk at wa dot net dot ua
11 years ago
You may remove all elements by passing empty SplObjectStorage

$splStorage->removeAllExcept(new SplObjectStorage());
up
-1
hizer at hizercache dot com
6 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.
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