1. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" 2. "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> 3. <html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en"> 4. <head> 5. <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/> 6. <title>Variables and Comments</title> 7. </head> 8. <body> 9. <pre> 10. <?php // Script 2.2 11. 12. // Define my variables.... 13. 14. $year = 2009; // The current year. 15. $june_avg = 88; // The average temperature for the month of June. 16. $page_title = 'Weather Reports'; // A title for the page. 17. 18. // ... and so forth. 19. 20. ?> 21. </pre> 22. </body> 23. </html>