The SplMinHeap class

- « SplMaxHeap::compare

- SplMinHeap::compare »

- PHP Manual
- Datastructures
- The SplMinHeap class

# The SplMinHeap class

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

## Introduction

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

## Class synopsis

class SplMinHeap 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(): bool
public SplHeap::rewind(): void
public SplHeap::top(): mixed
public SplHeap::valid(): bool
}

## Table of Contents

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