(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplObjectStorage::offsetUnset — Removes an object from the storage
Removes an object from the storage.
注意:
SplObjectStorage::offsetUnset() is an alias of SplObjectStorage::detach().
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));
?>以上示例的输出类似于：
int(1) int(0)