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PHP Tutorials - $_GET, $_POST and $_REQUEST

By: FYICenter.com

(Continued from previous topic...)

Where Is the Submitted Form Data Stored?

When a user submit a form on your Web server, user entered data will be transferred to the PHP engine, which will make the submitted data available to your PHP script for processing in pre-defined arrays:

• $_GET - An associate array that store form data submitted with the GET method.
• $_POST - An associate array that store form data submitted with the POST method.
• $_REQUEST - An associate array that store form data submitted with either GET or POST method. $_REQUEST also contains the cookie values received back from the browser.

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1. How To Create a Web Form?
2. What Are Form Input HTML Tags?
3. How To Generate a Form?
4. Where Is the Submitted Form Data Stored?
5. How To Retrieve the Submitted Form Data?
6. What Happens If an Expected Input Field Was Not Submitted?
7. How To Avoid the Undefined Index Error?
8. How To List All Values of Submitted Fields?
9. What Are Input Values of SELECT Tags?
10. How To Specify Input Values for Radio Buttons?
11. How To Specify Input Values for Checkboxes?
12. How To Retrieve Input Values for Checkboxes Properly?
13. How To Supply Default Values for Text Fields?
14. How To Remove Slashes on Submitted Input Values?
15. How To Support Multiple Submit Buttons?
16. How To Support Hidden Form Fields?
17. How To Generate and Process a Form with the Same Script?
18. How To Submit Values without Using a Form?
19. How To Retrieve the Original Query String?
20. How To Protect Special Characters in Query String?
21. How To Support Multiple-Page Forms?