PHP - Manual: SplObjectStorage::offsetUnset
2024-11-13
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplObjectStorage::offsetUnset — Removes an object from the storage
$object
): voidRemoves an object from the storage.
注意:
SplObjectStorage::offsetUnset() is an alias of SplObjectStorage::detach().
object
The object to remove.
没有返回值。
示例 #1 SplObjectStorage::offsetUnset() example
<?php
$o = new StdClass;
$s = new SplObjectStorage();
$s->attach($o);
var_dump(count($s));
$s->offsetUnset($o); // Similar to unset($s[$o])
var_dump(count($s));
?>
以上例程的输出类似于:
int(1) int(0)
官方地址:https://www.php.net/manual/en/splobjectstorage.offsetunset.php