Largest and smallest 	programming exercise 5 of 6

The below PHP script prints the largest and smallest number given to a form. Your task is to write the missing functions (largest and smallest), that receive the integers given by user as parameters and then return the largest and smallest integers. Incomplete program:

<?php

    $first = $_GET['first'];

    $second = $_GET['second'];

    $third = $_GET['third'];



    //Your code here


    $largest_number = largest($first, $second, $third);

    $smallest_number = smallest($first, $second, $third);



    echo "From the numbers you typed, the largest was $largest_number";

    echo " and smallest $smallest_number";



?>


Example output


From the numbers you typed, the largest was 10 and smallest -1