CodeIgniter Form Validation

CodeIgniter Form Validation 

Controller 
application\controllers\welcome.php

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26

<?php class Welcome extends CI_Controller {  public function index()  {   //Form Validation   $this->load->helper(array('form', 'url'));   $this->load->library('form_validation');   $this->form_validation->set_rules('username', 'Username', 'required');   $this->form_validation->set_rules('password', 'Password', 'required');   $this->form_validation->set_rules('passconf', 'Password Confirmation', 'required');   $this->form_validation->set_rules('email', 'Email', 'required');   //Validation Functions   //$this->form_validation->set_rules('username', 'Username', 'required|min_length[5]|max_length[12]|is_unique[users.username]');   //$this->form_validation->set_rules('password', 'Password', 'required|matches[passconf]');   //$this->form_validation->set_rules('passconf', 'Password Confirmation', 'required');   //$this->form_validation->set_rules('email', 'Email', 'required|valid_email|is_unique[users.email]');   if ($this->form_validation->run() == FALSE)   {    $this->load->view('welcome_message');   }   else   {    $this->load->view('formsuccess');   }  } }

application\views\welcome_message.php

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19

<?php echo validation_errors(); ?>   <?php echo form_open('welcome'); ?>   <h5>Username</h5> <input type="text" name="username" value="<?php echo set_value('username'); ?>" size="50" />   <h5>Password</h5> <input type="text" name="password" value="<?php echo set_value('password'); ?>" size="50" />   <h5>Password Confirm</h5> <input type="text" name="passconf" value="<?php echo set_value('passconf'); ?>" size="50" />   <h5>Email Address</h5> <input type="text" name="email" value="<?php echo set_value('email'); ?>" size="50" />   <div><input type="submit" value="Submit" /></div>   </form>

Showing Errors Individually

?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15

<h5>Username</h5> <?php echo form_error('username'); ?> <input type="text" name="username" value="<?php echo set_value('username'); ?>" size="50" />   <h5>Password</h5> <?php echo form_error('password'); ?> <input type="text" name="password" value="<?php echo set_value('password'); ?>" size="50" />   <h5>Password Confirm</h5> <?php echo form_error('passconf'); ?> <input type="text" name="passconf" value="<?php echo set_value('passconf'); ?>" size="50" />   <h5>Email Address</h5> <?php echo form_error('email'); ?> <input type="text" name="email" value="<?php echo set_value('email'); ?>" size="50" />