La classe SplMaxHeap

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

Introduction

La classe SplMaxHeap fournit l'interface pour un tas, et conserve le maximum sur le haut.

Synopsis de la classe

class SplMaxHeap extends SplHeap {
/* Méthodes */
protected compare(mixed $value1, mixed $value2): int
/* Méthodes héritées */
protected SplHeap::compare(mixed $value1, mixed $value2): int
public SplHeap::insert(mixed $value): true
public SplHeap::key(): int
}

Sommaire

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MuLoT [ojousset49 at yahoo dot fr]
14 years ago
SplMaxHeap simple example with integer values...

<?php
class MySimpleHeap extends SplHeap
{
    public function  compare( $value1, $value2 ) {
        return ( $value1 - $value2 );
    }
}

$obj = new MySimpleHeap();
$obj->insert( 4 );
$obj->insert( 8 );
$obj->insert( 1 );
$obj->insert( 0 );

foreach( $obj as $number ) {
    echo $number.\"\\n\";
}

/*
    Output display :
    8
    4
    1
    0
*/
?>
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