how to get top 3 values in php array and their index

Question

I want to get the highest value, the second highest value and the third highest value

For example, I have an array like:

$n = array(100,90,150,200,199,

Answer 1

$n = array(100,90,150,200,199,155,15,186);
arsort($n);

$x = 0;
while (++$x <= 3)
{
    $key = key($n);
    $value = current($n);
    next($n);
    echo "Key : " . $key . " Value  : " . $value . '
' ;
}