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PHP Manual [WeakMap

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PHP Manual || WeakMap

(PECL weakref >= 0.2.0)

WeakMap::keyReturns the current key under iteration

Description

public WeakMap::key ( void ) : object

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.



PHP Manual || WeakMap