This is actual file myfile.php <br />
ie., http://www.theonlytutorials.com/demo/myfile.php<br />
but you can also access this file even without the extension <br />

ie., http://www.theonlytutorials.com/demo/myfile <br /><br />
<a href='http://blog.theonlytutorials.com/remove-php-extension-url-htaccess/'>Go to Tutorial</a>