Monday, October 12, 2020

PHP Form Handling



Hello dear readers! welcome back to another edition of my tutorial on PHP. In this tutorial guide, we will be studying about the PHP Form Handling.

What is a Dynamic Website?

A dynamic website can be defined as a website that provides the functionalities that can be used to store, update, retrieve, and delete the data in a database.

What is a Form?

A form is simply a document that contains blank fields, that the user can fill the data or user can select the data. Generally the data will be stored in the database.


Example

The below example shows how a form can be used to perform some specific actions by using the post method -

<html>
   
   <head>
      <title>PHP Form Validation</title>
   </head>
   
   <body>
      <?php
         
         // define variables and set to empty values
         $name = $email = $gender = $comment = $website = "";
         
         if ($_SERVER["REQUEST_METHOD"] == "POST") {
            $name = test_input($_POST["name"]);
            $email = test_input($_POST["email"]);
            $website = test_input($_POST["website"]);
            $comment = test_input($_POST["comment"]);
            $gender = test_input($_POST["gender"]);
         }
         
         function test_input($data) {
            $data = trim($data);
            $data = stripslashes($data);
            $data = htmlspecialchars($data);
            return $data;
         }
      ?>
   
      <h2>Web Design Tutorialz course registration form</h2>
      
      <form method = "post" action = "/php/php_form_introduction.htm">
         <table>
            <tr>
               <td>Name:</td> 
               <td><input type = "text" name = "name"></td>
            </tr>
            
            <tr>
               <td>E-mail:</td>
               <td><input type = "text" name = "email"></td>
            </tr>
            
            <tr>
               <td>Specific Time:</td>
               <td><input type = "text" name = "website"></td>
            </tr>
            
            <tr>
               <td>Class details:</td>
               <td><textarea name = "comment" rows = "5" cols = "40"></textarea></td>
            </tr>
            
            <tr>
               <td>Gender:</td>
               <td>
                  <input type = "radio" name = "gender" value = "female">Female
                  <input type = "radio" name = "gender" value = "male">Male
               </td>
            </tr>
            
            <tr>
               <td>
                  <input type = "submit" name = "submit" value = "Submit"> 
               </td>
            </tr>
         </table>
      </form>
      
      <?php
         echo "<h2>Your Given details are as :</h2>";
         echo $name;
         echo "<br>";
         
         echo $email;
         echo "<br>";
         
         echo $website;
         echo "<br>";
         
         echo $comment;
         echo "<br>";
         
         echo $gender;
      ?>
      
   </body>
</html>

Output

When the above code is executed, it will produce the following result -


RECOMMENDED: PHP and XML Tutorial

Alright guys! This is where we are rounding up for this tutorial post. In my next tutorial guide, we are going to be discussing about PHP Form Validation.

Feel free to ask your questions where necessary and i will attend to them as soon as possible. If this tutorial was helpful to you, you can use the share button to share this tutorial.

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Thanks for reading and bye for now.
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