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PHP - Manual: WeakMap::valid

2024-04-29

WeakMap::valid

(PECL weakref >= 0.2.0)

WeakMap::validReturns whether the iterator is still on a valid map element

说明

public WeakMap::valid ( void ) : bool

Returns whether the iterator is still on a valid map element.

参数

此函数没有参数。

返回值

Returns TRUE if the iterator is on a valid element that can be accessed, FALSE otherwise.

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官方地址:https://www.php.net/manual/en/weakmap.valid.php

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