Codeigniter Form Validation

Codeigniter Form Validation

Codeigniter Form Validation

Hi Guys in this lesson we are going to learn simple form validation in codeigniter..
Just follow the below codeigniter form validation example..

Configuration:
application/config/autoload.php

$autoload['helper'] = array('url');

 Base_Url:

$config['base_url'] = 'http://localhost/codeigniter/';

Controllers:
 application/controllers/blog.php

<?php  

class Blog extends CI_Controller {

  // You can autoload helpers and libraries etc if you need to, 

   public function __construct() {
      parent::__construct();
      $this->load->library('form_validation');
	  $this->load->helper('email');
   }

   public function index() {
      $this->load->view('form');
   }

   public function validate() {
      $this->form_validation->set_rules('name', 'name', 'trim|required');
       $this->form_validation->set_rules('username', 'username', 'trim|required');
       $this->form_validation->set_rules('email', 'email', 'trim|required|valid_email');

       if ($this->form_validation->run() == FALSE) {
          // Error
          $this->load->view('form');
       } else {
          // Success
		  $data['success']='You Form Validation Successful';
          $this->load->view('form',$data);
       }
   }

}

Views:
application/views/form.php

<style>
  .error{
	  color:red;
	  font-style:italic;
	  font-weight:bold;
  }
</style>
<h2>Codeigniter Form Validation Example</h2>
<form method="POST" action="<?php echo base_url();?>index.php/blog/validate">
<table>
  <tr>
     <td>Name</td>
	 <td>
	   <input type="text" name="name">
       <?php echo form_error('name', '<div class="error">', '</div>'); ?>
   </td>
  </tr>
  <tr>
  <td>UserName:</td>
	 <td><input type="text" name="username">
	  <?php echo form_error('username', '<div class="error">', '</div>'); ?>
   </td>
  </tr>
  <tr>
  <td>Email:</td>
	 <td>
	    <input type="text" name="email">
       <?php echo form_error('email', '<div class="error">', '</div>'); ?>
   </td>
  </tr>
  <tr>
    <td></td>
	<td><input type="submit" name="submit" value="Submit"/></td>
  </tr>
</table>
</form>
<?php if(isset($success)) echo $success;?>

Now Run http://localhost/codeigniter/index.php/blog
and Enjoy.. Keep visiting for more codes and Codeigniter Examples..
Please Leave your comment .Thank You...