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PHP - Manual: WeakMap::key

2024-04-30

WeakMap::key

(PECL weakref >= 0.2.0)

WeakMap::keyReturns the current key under iteration

说明

public WeakMap::key ( void ) : object

Returns the object serving as key in the map, at the current iterating position.

参数

此函数没有参数。

返回值

The object key currently being iterated.

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

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