SplObjectStorage::offsetUnset

(PHP 5 >= 5.3.0, PHP 7)

SplObjectStorage::offsetUnsetRemoves an object from the storage

说明

public void SplObjectStorage::offsetUnset ( object $object )

Removes an object from the storage.

Note:

SplObjectStorage::offsetUnset() is an alias of SplObjectStorage::detach().

参数

object

The object to remove.

返回值

没有返回值。

范例

Example #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)

参见

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