Tryit Editor v2.3

PHP Source:

<!DOCTYPE html>
<html>
<body>

<?php
$str = "Hello";
echo "The string: ".$str."<br>";
echo "TRUE - Raw 20 character binary format: ".sha1($str, TRUE)."<br>";
echo "FALSE - 40 character hex number: ".sha1($str)."<br>";
?>

</body>
</html>