Php/docs/splobjectstorage.removeallexcept
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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 SplObjectStorage::removeAllExcept
( SplObjectStorage $storage
) : void
Removes all objects except for those contained in another storage from the current storage.
Parameters
storage
- The storage containing the elements to retain in the current storage.
Return Values
No value is returned.
Examples
Example #1 SplObjectStorage::removeAllExcept() example
<?php$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)