Untitled

<!DOCTYPE html>
<html lang="en">
<head>
  <title>SW No. 1 - PHP Variable</title>
</head>
<body>
  <?php
    $first_name = "Neil Andrei";
    $last_name = "Monroyo";
    $full_name = $first_name . " " . $last_name;
    echo "<p>$full_name</p>";

    $x = 23;
    $y = 10;

    $y = ++$y;
    $x = --$x;
    $sum = $x + $y;

    echo "<p> $sum </p>";
  ?>
</body>
</html>