The SplMaxHeap class

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

Introduction

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

Class synopsis

class SplMaxHeap extends SplHeap {
/* Methods */
protected compare(mixed $value1, mixed $value2): int
/* Inherited methods */
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): bool
public SplHeap::isCorrupted(): bool
public SplHeap::isEmpty(): bool
public SplHeap::key(): int
public SplHeap::next(): void
public SplHeap::recoverFromCorruption(): bool
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