x
 
<!DOCTYPE html>
<html>
<body>
<?php
$a = 5;
$b = 5.34;
$c = "25";
var_dump($a);
echo "<br>";
var_dump($b);
echo "<br>";
var_dump($c);
?> 
<p>为了更好的可读性,添加了换行。</p>
</body>
</html>