Perfect Ranking With Ties Using By PHP Array

 

<?php

#Ex:  Short Set Ranking Hosting Provider Founded By Year

// INPUT

$Hosting_Years = array(

    'Bluehost' => 2003,

    'Dreamhost' => 1996,

    'Hostinger' => 2004,

    'HostGator' => 2002,

    'A2 Hosting' => 2001,

    'GreenGeeks' => 2008,

    'WP Engine' => 2010,

    'Inmotion' => 2001,

    'SiteGround' => 2004,

    'Nexcess' => 2000,

);

function setRanking($standings) {

    $rankings = array();

    arsort($standings);

    $rank = 1;

    $tie_rank = 0;

    $prev_score = -1;

    foreach ($standings as $name => $score) {

        if ($score != $prev_score) {  //this score is not a tie

            $count = 0;

            $prev_score = $score; 

            $rankings[$name] = array('score' => $score, 'rank' => $rank);

        } else { //this score is a tie

            $prev_score = $score;

            if ($count++ == 0) {

                $tie_rank = $rank - 1;

            }

            $rankings[$name] = array('score' => $score, 'rank' => $tie_rank);

        }

        $rank++;

    }

    return $rankings;

}

// OUTPUT 

$set_Host_Ranking = setRanking($Hosting_Years);

foreach($set_Host_Ranking as $host => $value){

    echo "<br> Rank: ".sprintf("%03d", $value['rank']). " &emsp; Founded in  : ".$value['score']. "&emsp; Host: ".$host;

}

?>

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