HTMLify

<?PhP
// php is case insensitive programming lang.
//with three variable 
    $a = 10;
    $b = 5;
    $c = $a + $b;
    EcHo ($c);

    //for next line
    echo "\n" ;
//with only two variable
    $x = 50;
    $y = 4;
    echo $x + $y;
?>