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    SplObjectStorage::offsetUnset

    (PHP 5 >= 5.3.0, PHP 7, PHP 8)

    SplObjectStorage::offsetUnset — Removes an object from the storage

    说明

    public SplObjectStorage::offsetUnset(object $object): void

    Removes an object from the storage.

    注意:

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

    参数

    object

    The object to remove.

    返回值

    没有返回值。

    示例

    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)

    参见

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