codeigniter email activation

 
CREATE TABLE IF NOT EXISTS `clist` (
  `sno` int(11) NOT NULL AUTO_INCREMENT,
  `name` varchar(55) NOT NULL,
  `email` varchar(55) NOT NULL,
  `password` varchar(55) NOT NULL,
  `city` varchar(55) NOT NULL,
  `status` int(11) NOT NULL DEFAULT '0',
  PRIMARY KEY (`sno`)
) ENGINE=InnoDB  DEFAULT CHARSET=latin1 AUTO_INCREMENT=11 ;

  autoload.php :   
 We have to change in autoload.php as follows,  
  $autoload['libraries'] = array('database','form_validation','uri');   
  $autoload['helper'] = array('html', 'form', 'url');   

register_view.php 

<style type="text/css">   
  table {   
    background:#ADDAF1;   
    border-radius:10px;   
    margin-top:95px;   
  }   
  </style>   
  <title><?php echo $title;?></title>   
  <form action="<?=base_url()?>Register/insert" name="form1" id="form1" method="post" >   
  <table width="200" border="0" align="center">   
  <tr>   
   <td>Name:</td>   
   <td><input type="text" name="name" id="name"> <font color="#FF0000"><?php echo form_error('name');?></font></td>   
  </tr>   
  <tr>   
   <td>Email:</td>   
   <td><input type="text" name="email" id="email"> <font color="#FF0000"><?php echo form_error('email');?></font></td>   
  </tr>   
  <tr>   
   <td>Password:</td>   
   <td><input type="password" name="password" id="password"> <font color="#FF0000"><?php echo form_error('password');?></font></td>   
  </tr>   
  <tr>   
   <td>City:</td>   
   <td><select name="city" id="city">   
   <option value="">Select</option>   
   <option value="bangalore">bangalore</option>   
   <option value="vijayawada">vijayawada</option>   
   </select> <font color="#FF0000"><?php echo form_error('city');?></font></td>   
  </tr>   
  <tr><td colspan="2" align="center"><input type="submit" name="submit" id="submit" value="Register"></td></tr>   
  </table>   
  </form>  
 <script src="<?=base_url()?>/assets/js/jquery-1.11.3.min.js"></script>  
 <script src="<?=base_url()?>/assets/js/bootstrap.min.js"></script>  
 <script src="<?=base_url()?>/assets/js/jquery.validate.min.js"></script>  
  
 <script src="<?=base_url()?>/assets/js/jquery-ui.js"></script>  
 <script>  
 $(function() {  
    
  });  
 (function($,W,D)  
 {  
   var JQUERY4U = {};  
   JQUERY4U.UTIL =  
   {  
     setupFormValidation: function()  
     {  
       $("#form1").validate({  
         rules: {  
                          name: {  
             required: true ,  
                            minlength:2  
                          },  
                     email: {   
                       required: true,  
                               email:true  
                          },  
                          password: {  
                               required: true,  
                               minlength:4,  
                               maxlength:10  
                          }  
                     },  
         messages: {  
                          name: {  
                               required:"<font color='red'>Please Enter Name</font>",  
                               minlength:"<font color='red'>Minimum length is 2</font>"  
                          },  
                     email: {  
                       required:"<font color='red'>Please Enter Email Id</font>",  
                               email:"<font color='red'>Please Enter Valid Email Id</font>"  
                          },  
                          password: {  
                               required:"<font color='red'>Please Enter Password </font>",  
                               minlength:"<font color='red'>Minimum length is 4 </font>",  
                               maxlength:"<font color='red'>Maximum length is 10 </font>"  
                          }  
                     },  
                     submitHandler: function(form) {  
                          form.submit();  
                     }  
                });  
     }  
   }  
   //when the dom has loaded setup form validation rules  
   $(D).ready(function($) {  
     JQUERY4U.UTIL.setupFormValidation();  
   });   
 })(jQuery, window, document);  
 </script>  

 Register.php(Controller)

<?php   
 ob_start();  
  class Register extends CI_Controller {   
    public function __construct(){   
       parent::__construct();   
       $this->load->model("Register_model");   
    }      
    public function index()   
    {   
    $this->insert();      
    }   
    public function insert()   
    {   
       $this->form_validation->set_rules('name', 'Name', 'required');   
       $this->form_validation->set_rules('email', 'Email', 'required');   
       $this->form_validation->set_rules('password', 'Password', 'required|numeric');   
       $this->form_validation->set_rules('city','City','required');   
       if ($this->form_validation->run())   
       {      
       $register=$this->Register_model->insertdata($_POST);   
       if($register){   
            $this->Register_model->Send_Email($this->input->post('email'));  
        echo "<script>alert('Please check Your Email To Activate Account...')</script>";   
         }   
       }   
       $data['title']="Registration";   
     $this->load->view('register_view',$data);      
    }   
    function verify($hash=NULL)  
   {  
     if ($this->Register_model->verifyEmailID($hash))  
     {  
       echo "<script>alert('Account Activated...')</script>";  
     }  
     else  
     {  
       echo "<script>alert('Sorry Something Went Wrong...')</script>";  
      }  
   }  
  }   
  ?>   

 Register_model.php(Model)

<?php   
     class Register_model extends CI_Model {   
    function insertdata($options = array()){   
       if(isset($options['name']))   
         $this->db->set('name',strip_tags($options['name']));   
         if(isset($options['email']))   
         $this->db->set('email',strip_tags($options['email']));   
       if(isset($options['password']))   
         $this->db->set('password',strip_tags($options['password']));   
       if(isset($options['city']))   
         $this->db->set('city',($options['city']));   
         $this->db->insert("clist");   
       return $this->db->insert_id();   
    }   
    public function Send_Email($to_email) {  
     $message = 'Hi,<br /><br />Please Verify http://www.domain.com/Register/verify/' . md5($to_email) . '<br /><br /><br />Thanks<br />Mydomain Team';  
     $this->load->library('email');  
           $this->email->from('fromemail@gmail.com', 'Codetipz');  
           $this->email->to($to_email);        
           $this->email->subject('Email Verification');  
           $this->email->message($message);       
           $this->email->send();  
    }  
    //activate user account  
   function verifyEmailID($key)  
   {  
     $data = array('status' => 1);  
     $this->db->where('md5(email)', $key);  
     return $this->db->update('clist', $data);  
   }  
  }   
  ?>   

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