PHP 8.1.0 Beta 1 available for testing

SplHeap::valid

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplHeap::validCheck whether the heap contains more nodes

Beschreibung

public SplHeap::valid ( ) : bool

Checks if the heap contains any more nodes.

Parameter-Liste

Diese Funktion besitzt keine Parameter.

R├╝ckgabewerte

Returns true if the heap contains any more nodes, false otherwise.

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