<html> <head> <title>e01html example</title> </head> <body> <h1> 1 Heading h1 </h1> text unter 1 - h1 <h2> 1.1 Heading h2</h2> text unter 1.1 - h2 <h1>Source <?php echo __file__; ?> </h1> <?php highlight_file(__file__) ?> </body> </html>