The SplMinHeap class

(PHP 5 >= 5.3.0, PHP 7)

简介

The SplMinHeap class provides the main functionalities of a heap, keeping the minimum on the top.

类摘要

SplMinHeap 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 ( void ) : int
public SplHeap::current ( void ) : mixed
public SplHeap::extract ( void ) : mixed
public SplHeap::insert ( mixed $value ) : void
public SplHeap::isCorrupted ( void ) : bool
public SplHeap::isEmpty ( void ) : bool
public SplHeap::key ( void ) : mixed
public SplHeap::next ( void ) : void
public SplHeap::recoverFromCorruption ( void ) : void
public SplHeap::rewind ( void ) : void
public SplHeap::top ( void ) : mixed
public SplHeap::valid ( void ) : bool
}

Table of Contents

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