how to display htmlspecialchars in PHP

Question

How would I make this actually display EXACTLY with PHP?

$answer=<script>alert(It converts to HTML.)</script> 
echo "The function is: htmlspecialchars ($answer)."

Answer 1

$variable = <<<'EOS'
$answer=<script>alert(It converts to HTML.)</script> 
echo "The function is: htmlspecialchars ($answer)."
EOS;
echo htmlspecialchars($variable);

This will display the message exactly as you typed it.

Answer 2

$answer = "<script>alert(It converts to HTML.)</script>"

echo "The function is: htmlspecialchars".$answer;