PHP Complete Form

This page explains about time real-time form with actions. Below example will take input fields as text, radio button, drop down menu, and checked box.

Example

<html>

  

   <head>

      <style>

         .error {color: #FF0000;}

      </style>

   </head>

  

   <body>

      <?php

         // define variables and set to empty values

         $nameErr = $emailErr = $genderErr = $websiteErr = "";

         $name = $email = $gender = $class = $course = $subject = "";

        

         if ($_SERVER["REQUEST_METHOD"] == "POST") {

            if (empty($_POST["name"])) {

               $nameErr = "Name is required";

            }else {

               $name = test_input($_POST["name"]);

            }

           

            if (empty($_POST["email"])) {

               $emailErr = "Email is required";

            }else {

               $email = test_input($_POST["email"]);

              

               // check if e-mail address is well-formed

               if (!filter_var($email, FILTER_VALIDATE_EMAIL)) {

                  $emailErr = "Invalid email format";

               }

            }

            

            if (empty($_POST["course"])) {

               $course = "";

            }else {

               $course = test_input($_POST["course"]);

            }

           

            if (empty($_POST["class"])) {

               $class = "";

            }else {

               $class = test_input($_POST["class"]);

            }

           

            if (empty($_POST["gender"])) {

               $genderErr = "Gender is required";

            }else {

               $gender = test_input($_POST["gender"]);

            }

           

            if (empty($_POST["subject"])) {

               $subjectErr = "You must select 1 or more";

            }else {

               $subject = $_POST["subject"];           

            }

         }

        

         function test_input($data) {

            $data = trim($data);

            $data = stripslashes($data);

            $data = htmlspecialchars($data);

            return $data;

         }

      ?>

                       

      <h2>Absolute classes registration</h2>

     

      <p><span class = "error">* required field.</span></p>

     

      <form method = "POST" action = "<?php echo htmlspecialchars($_SERVER["PHP_SELF"]);?>">

         <table>

            <tr>

               <td>Name:</td>

               <td><input type = "text" name = "name">

                  <span class = "error">* <?php echo $nameErr;?></span>

               </td>

            </tr>

           

            <tr>

               <td>E-mail: </td>

               <td><input type = "text" name = "email">

                  <span class = "error">* <?php echo $emailErr;?></span>

               </td>

            </tr>

           

            <tr>

               <td>Time:</td>

               <td> <input type = "text" name = "course">

                  <span class = "error"><?php echo $websiteErr;?></span>

               </td>

            </tr>

           

            <tr>

               <td>Classes:</td>

               <td> <textarea name = "class" 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

                  <span class = "error">* <?php echo $genderErr;?></span>

               </td>

            </tr>

           

            <tr>

               <td>Select:</td>

               <td>

                  <select name = "subject[]" size = "4" multiple>

                     <option value = "Android">Android</option>

                     <option value = "Java">Java</option>

                     <option value = "C#">C#</option>

                     <option value = "Data Base">Data Base</option>

                     <option value = "Hadoop">Hadoop</option>

                     <option value = "VB script">VB script</option>

                  </select>

               </td>

            </tr>

           

            <tr>

               <td>Agree</td>

               <td><input type = "checkbox" name = "checked" value = "1"></td>

               <?php if(!isset($_POST['checked'])){ ?>

               <span class = "error">* <?php echo "You must agree to terms";?></span>

               <?php } ?>

            </tr>

           

            <tr>

               <td>

                  <input type = "submit" name = "submit" value = "Submit">

               </td>

            </tr>

           

         </table>

      </form>

     

      <?php

         echo "<h2>Your given values are as :</h2>";

         echo ("<p>Your name is $name</p>");

         echo ("<p> your email address is $email</p>");

         echo ("<p>Your class time at $course</p>");

         echo ("<p>your class info $class </p>");

         echo ("<p>your gender is $gender</p>");

        

         for($i = 0; $i < count($subject); $i++) {

            echo($subject[$i] . " ");

         }

      ?>

     

   </body>

</html>

It will produce the following result −

Absolute classes registration

* required field.

Top of Form

* You must agree to terms

Name:

 *

E-mail:

 *

Time:

Classes:

Gender:

Female Male *

Select:

           

Agree

Bottom of Form

Your given values are as :

Your name is

your email address is

Your class time at

your class info

your gender is