PHP Form Handling

PHP Form Handling


Hello folks! welcome back to a new edition of our tutorial on PHP. In this tutorial guide, we will be discussing about the PHP Form Handling.

What is a Dynamic Website?

A dynamic website is a site that provides the full 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 -



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

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