How can special characters like the copyright symbol © help in automatically detecting the UTF-8 encoding in Notepad++?

Special characters like the copyright symbol © can help in automatically detecting the UTF-8 encoding in Notepad++ by serving as a unique identifier for UTF-8 encoded text. Notepad++ uses these special characters to recognize the encoding of a file and display it correctly. By including special characters like the copyright symbol in your text, Notepad++ can accurately detect and display the UTF-8 encoding.

<?php
// This is a sample PHP code snippet that includes the copyright symbol ©
echo "This is a sample text with the copyright symbol ©";
?>