PHP Manual
SplHeap
Check whether the heap contains more nodes

SplHeap::valid

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

SplHeap::valid — Check whether the heap contains more nodes

Description

public SplHeap::valid(): bool

Checks if the heap contains any more nodes.

Parameters

This function has no parameters.

Return Values

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

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