Session,cookies and get and post methods
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Session,cookies and get and post methods
- 2. WELCOME
- 3. MIDHUNSUDHAKAR midhusudhakaran@gmail.com Midhun.sudhakar.73@facebook.com twitter.com/midhunopus in.linkedin.com/pub/midhunsudhakar/86/a65/a9b/Phonenumber 9995586182 Session and cookies, GET and POST methods
- 4. Disclaimer: This presentation is prepared by trainees of baabtra as a part of mentoring program. This is not official document of baabtra –Mentoring Partner Baabtra-Mentoring Partner is the mentoring division of baabte System Technologies Pvt . Ltd
- 5. content •What are session and cookies •How it works •What are GET and POST methods •examples
- 6. HTTP •HTTP is a stateless protocol. •Does not remember what happened between two consecutive requests. •Even two Requests made by same user are different for HTTP. •HTTP just processes a client REQUEST and supplies the server RESPONSE.
- 7. What is cookie ? •Cookies are small piece of data •Stored in the users computer. •it stores info about you and your preferences.
- 8. For example.
- 11. It is not limited to remember just our languages. •It can contain time you visited a web site. •Or items in your shopping cart •Or even contain all the links your clicked.
- 12. Syntax and example Syn: Setcookie(name, value, expire, path, domain); Ex: setcookie("user", "Alex Porter", time()+3600); click ME
- 13. To Read Cookie Values $_COOKIE['CookieName']; $_REQUEST['CookieName']; To Destroy a cookie setcookie("user", "", time()-3600);
- 14. •It is same like cookies •But it stored in the server. •Usually used for handle user info about one session •Default expire time is 24mnts What is session ?
- 16. Accessing session variable $_SESSION['views']; Destroying a Session unset($_SESSION[‘userid']); session_destroy(); click Me
- 17. Why GET and POST methods? These are two ways the browser client can send info to the web server.
- 18. GET method •It sends only limited amount of data. •Info send using GET method will appear in browser URL •PHP provides $_GET associative array to access info.
- 19. example <?php if( $_GET["name"] || $_GET["age"] ) { echo "Welcome ". $_GET['name']. "<br />"; echo "You are ". $_GET['age']. " years old."; } ?> <html> <body> <form action="<?php $_PHP_SELF ?>" method="GET"> Name: <input type="text" name="name" /> Age: <input type="text" name="age" /> <input type="submit" /> </form> </body> </html> clickME
- 20. POST method • info sent by using POST method is not visible to users. •does not have any restriction on data size to be sent. •PHP provides $_POST associative array to access
- 21. example <?php if( $_POST["yourname"] || $_POST["yourage"] ) { echo "Welcome ". $_POST['yourname']. "<br />"; echo "You age is ". $_POST['yourage']. " years."; exit(); } ?> <html> <body> <form action="<?php $_PHP_SELF ?>" method="POST"> Your Name: <input type="text" name="yourname" /> Your Age: <input type="text" name="yourage" /> <input type="submit" /> </form> </body> </html> click ME
- 22. THANK YOU
- 23. Want to learn more about programming or Looking to become a good programmer? Are you wasting time on searching so many contents online? Do you want to learn things quickly? Tired of spending huge amount of money to become a Software professional? Do an online course @ baabtra.com We put industry standards to practice. Our structured, activity based courses are so designed to make a quick, good software professional out of anybody who holds a passion for coding.
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