SplObjectStorage::removeAllExcept
(PHP 5 >= 5.3.6, PHP 7)
SplObjectStorage::removeAllExcept — Removes all objects except for those contained in another storage from the current storage
Description
public void SplObjectStorage::removeAllExcept ( SplObjectStorage $storage )Removes all objects except for those contained in another storage from the current storage.
Parameters
storage
The storage containing the elements to retain in the current storage.
Return Values
No value is returned.
Examples
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));
?>The above example will output something similar to:
bool(false)
bool(true)← SplObjectStorage::removeAll
SplObjectStorage::rewind →
? 1997–2017 The PHP Documentation GroupLicensed under the Creative Commons Attribution License v3.0 or later.
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