<!DOCTYPE html>
<html>
<body>
<?php
$txt1="Learn PHP";
$txt2="ziqiangxuetang.com";
$cars=array("Volvo","BMW","Toyota");
print $txt1;
print "<br>";
print "Study PHP at $txt2";
print "<br>";
print "My car is a {$cars[0]}";
?>
</body>
</html>