Finding the highest number from an array in PHP

<?php
/**$goru = 2000;
$chagol = 3000;
$hash = 4000;
$murgi = 5000;
$biral = 6000;**/

$animals = array(
    "goru" => 2000,
    "chagol" => 3000,
    "hash" => 4000,
    "murgi" =>  5000,
    "biral" => 6000
);
$max = max($animals); //maximum value
foreach($animals as $key => $value){ //loop the array to find maximum value with key
    if($value == $max){
    echo "Maximum amount animal is {$key}: {$value}\n";
        break; //if found the maximum value with key exit from the loop by break keyword.
    }
}


/*************************
 * created by Touhid
 * touhid@rafusoft.com
 ************************/