Generate Excel from PHP using Code

Many a times excel needs to be generated.People usually generate the same using screenshot method i.e first they output the text to the screen and then they map the same to Excel file which may include invalid characters many a times recently I found a good link to generate Excel using code...I successfully used it in Cakephp so I believe its also good on frameworks here is the link to the same

http://smartcoderszone.com/2010/09/how-to-generate-excel-report-with-php-and-mysql/