Get max and min value in array without using function in PHP

<?php

$array = array(2,4,8,5,1,6);
$max = $array[0];
$min = $array[0];
foreach($array as $val)
{
    //For max Value
    if($max<$val)
    {
        $max = $val;
    }

    //For min value
    if($min>$val)
    {
        $min = $val;
    }
   
}
echo "Max value is: ".$max;
echo "<br>";
echo "Min value is: ".$min;

?>