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PHP 101 (part 2): Calling All Operators
Use PHP to process Web forms, and get to grips with operators and conditional statements.

| Form... |

Forms have always been one of quickest and easiest ways to add interactivity to your Web site. A form allows you to ask customers if they like your products, casual visitors for comments on your site, and pretty girls for their phone numbers. And PHP can simplify the task of processing the data generated from a Web-based form substantially, as this first example demonstrates.

This example contains two scripts, one containing an HTML form ("form.htm") and the other containing the form processing logic ("message.php"). Here's "form.htm":


<html>
<head></head>
<body>
<form action="message.php" method="post">
Enter your message: <input type="text" name="msg" size="30">
<input type="submit" value="Send">
</form>
</body>
</html>


The critical line in this page is the <form> tag


<form action="message.php" method="post">
...
</form>


As you probably already know, the "action" attribute of the <form> tag specifies the name of the server-side script (message.php in this case) that will process the information entered into the form. The "method" attribute specifies how the information will be passed.


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