// Using echo or print
echo "<h1>Basic PHP Elements</h1>";

// PHP Variables
$name = "John Doe";
$age = 25;

// PHP Concatenation
echo "<p>My name is " . $name . " and I am " . $age . " years old.</p>";

// PHP Operators
$sum = 10 + 20;
echo "<p>10 + 20 equals " . $sum . "</p>";

// Closing PHP tag
?>