Php/docs/class.splmaxheap

• PHP Manual
• 数据结构
• The SplMaxHeap class

(PHP 5 >= 5.3.0, PHP 7)

简介

The SplMaxHeap class provides the main functionalities of a heap, keeping the maximum on the top.

类摘要

SplMaxHeap extends SplHeap implements Iterator , Countable {

/* 方法 */

protected compare ( mixed $value1 , mixed $value2 ) : int

/* 继承的方法 */

abstract protected SplHeap::compare ( mixed $value1 , mixed $value2 ) : int

public SplHeap::count ( ) : int

public SplHeap::current ( ) : mixed

public SplHeap::extract ( ) : mixed

public SplHeap::insert ( mixed $value ) : void

public SplHeap::isCorrupted ( ) : bool

public SplHeap::isEmpty ( ) : bool

public SplHeap::key ( ) : mixed

public SplHeap::next ( ) : void

public SplHeap::recoverFromCorruption ( ) : void

public SplHeap::rewind ( ) : void

public SplHeap::top ( ) : mixed

public SplHeap::valid ( ) : bool

}

Table of Contents

• SplMaxHeap::compare — Compare elements in order to place them correctly in the heap while sifting up