Returns whether the iterator is still on a valid map element

WeakMap::valid

(PECL weakref >= 0.2.0)

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

public bool WeakMap::valid ( void )

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

This function has no parameters.

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