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  Tutorial: PHP Form Processing Creating a PHP form Tutorial

This tutorial teaches you the basic structure of creating PHP form processing. To many this can be a challenging task, so here is how it's done. Complete code presented.

Tutorial Details:

Creating a PHP form

Extracting form variables when programming in Perl is a real task. The variables can be extracted fairly painlessly using the CGI.pm modules, but there is a lot of work going on under the hood. In PHP form variables just spring to life.

we can just simply use $FirstName in our script. However, this wonderful shortcut is of no value if we don't know the contents of the name clauses from the submitted form. In a generalized form handler, we must deal with $FirstName even though we don't know the name of the variable.

Fortunately, PHP has an associative array containing all the name/values pairs contained in a form submission. Actually PHP has two arrays, $HTTP_POST_VARS and $HTTP_GET_VARS. As you might expect, the first is populated with a form submission cybercms_problemcybercms_problemusing the post method while the latter is populated with get method submissions.

The $REQUEST_METHOD environment variable normally contains a value of either get or post if the script was called from a form. However, some older servers may not set this variable so we'll detect which associative array is loaded to determine the form's submission method.


 

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