SplHeap::valid

(PHP 5 >= 5.3.0, PHP 7)

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

说明

public bool SplHeap::valid ( void )

Checks if the heap contains any more nodes.

参数

此函数没有参数。

返回值

Returns TRUE if the heap contains any more nodes, FALSE otherwise.

User Contributed Notes

There are no user contributed notes for this page.