PHP 7.0.6 Released

    WeakMap::key

    (PECL weakref >= 0.2.0)

    WeakMap::key — Returns the current key under iteration.

    Description

    public object WeakMap::key ( void )

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

    Parameters

    This function has no parameters.

    Return Values

    The object key currently being iterated.

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