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SplMaxHeap::compare »

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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): true

public SplHeap::isCorrupted (): bool

public SplHeap::isEmpty (): bool

public SplHeap::key (): int

public SplHeap::next (): void

public SplHeap::recoverFromCorruption (): true

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

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