<?php
echo "Hello World!";
// You can also do this with a variable:
$YourVariable = "Hello World!";
echo $YourVariable;
?>
htmlspecialchars('<strong>something</strong>')
<?php
$a = 'Hello World!'
//for echoing
echo $a;
?>
<!--shorthand on PHP x HTML templating-->
<h1><?= $a; ?></h1>