(PHP 5 >= 5.1.0, PHP 7)
SplObjectStorage::detach — Removes an object from the storage
public SplObjectStorage::detach ( object $object ) : void
Removes the object from the storage.
object
The object to remove.
No value is returned.
Example #1 SplObjectStorage::detach() example
<?php $o = new StdClass; $s = new SplObjectStorage(); $s->attach($o); var_dump(count($s)); $s->detach($o); var_dump(count($s)); ?>
The above example will output something similar to:
int(1) int(0)
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https://www.php.net/manual/en/splobjectstorage.detach.php