Describe how to create a simple AD rotator script without using database in PHP.

Correct Answer: Following are the steps to create a simple AD rotator script without using database in PHP: - All the ad’s can be collected in one place and be displayed randomlyrand() function can be used for this purpose - In order to NOT use any database, a flat file can be used to store the ad’s - In order to store the Ad’s information (HTML code), a flat file say “adtxt” can be created - The random number can be stored in a variable $result_random=rand(1, 100); - Conditions can be checked to display the ad’s if($result_random<=70) { echo "Display ad1"; }