Exercise 9-2_x000D_ In this project, you will create a cookies program that stores the date_x000D_ and time of a user’s last visit._x000D_ 1. Create a new document in your text editor and type the_x000D_ declaration, element, header information,_x000D_ and element. Use the strict DTD and “Last Visit” as_x000D_ the content of the element._x000D_ 2. Add the following script section above the _x000D_ declaration:_x000D_ _x000D_ _x000D_ 3. Add the following if...else statement to the script sec-_x000D_ tion to assign a value to the $LastVisit variable. If the_x000D_ $_COOKIE['lastVisit'] variable is set, the date and time of_x000D_ the last visit is assigned to the $LastVisit variable. Otherwise,_x000D_ the variable is assigned a value of “This is your ﬁrst visit!”_x000D_ if (isset($_COOKIE['lastVisit']))_x000D_ $LastVisit = "Your last visit was on "_x000D_ . $_COOKIE['lastVisit'];_x000D_ else_x000D_ $LastVisit = "This is your first visit!n";_x000D_ _x000D_ 4. Add the following statement to the end of the script sec-_x000D_ tion. The statement uses the date() function with the_x000D_ setcookie() function to assign the date to the $LastVisit_x000D_ variable. Notice that the cookie is set to expire in one year._x000D_ setcookie("lastVisit", date("F j, Y, g:i a"),_x000D_ time()+60*60*24*365);_x000D_ _x000D_ 5. To the document body, add the following output directive,_x000D_ which displays the value of the $LastVisit variable:_x000D_ _x000D_ _x000D_ 6. Save the document as LastVisit.php in the Projects direc-_x000D_ tory for Chapter 9, and then close the document in your text_x000D_ editor._x000D_ _x000D_ _x000D_ _x000D_7. Open the LastVisit.php ﬁle in your Web browser by enter-_x000D_ ing the following URL: http:///PHP_Projects/_x000D_ Chapter.09/Projects/LastVisit.php. The ﬁrst time you open the_x000D_ page, you should see “This is your ﬁrst visit!” in the browser_x000D_ window. Reload the Web page; you should see the date and_x000D_ time in the browser window._x000D_ _x000D_ 8. Close your Web browser window.
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