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Check Email availability using Ajax in CodeIgniter

 

Check Email availability using Ajax in CodeIgniter

Controller - Email_Controller.php

<?php  
defined('BASEPATH') OR exit('No direct script access allowed');  
class Email_Controller extends CI_Controller {  
    //functions  
    function index()  
    {  
         $data["title"] = "Codeigniter Tutorial - Check Email availibility using Ajax";  
         $this->load->view("email_availibility", $data);  
    }  
    function check_email_avalibility()  
    {  

         if(!filter_var($_POST["email"], FILTER_VALIDATE_EMAIL))  
         {  
              echo '<label class="text-danger"><span class="glyphicon glyphicon-remove"></span> Invalid Email</span></label>';  
         }  
         else  
         {  
              $this->load->model("main_model");  
              if($this->main_model->is_email_available($_POST["email"]))  
              {  
                   echo '<label class="text-danger"><span class="glyphicon glyphicon-remove"></span> Email Already register</label>';  
              }  
              else  
              {  
                   echo '<label class="text-success"><span class="glyphicon glyphicon-ok"></span> Email Available</label>';  
              }  
         }  
    }       
}  
?>

Models - main_model.php

<?php  
 class Main_model extends CI_Model  
 {  
      function is_email_available($email)  
      {  
           $this->db->where('email', $email);  
           $query = $this->db->get("tbl_user");  
           if($query->num_rows() > 0)  
           {  
                return true;  
           }  
           else  
           {  
                return false;  
           }  
      }  
 }  
 ?>

Views - email_availibility.php

<!DOCTYPE html>  
 <html>  
 <head>  
      <title>Raushtech | <?php echo $title; ?></title>  
      <link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.7/css/bootstrap.min.css" />  
      <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>  
 </head>  
 <body>  
      <div class="container" style="width:600px">  
           <br /><br /><br />  
           <h3 style="color:red;"><?php echo $title; ?></h3>  
           <br />  
           <label>Enter Email</label>  
           <input type="text" name="email" id="email" class="form-control" />  
           <span id="email_result"></span>  
           <br /><br />  
           <label>Enter Password</label>  
           <input type="text" name="password" id="password" class="form-control" />  
      </div>  
 </body>  
 </html>  
 <script>  
 $(document).ready(function(){  
      $('#email').on('input', function(){  
           var email = $('#email').val(); 
           // alert(email); 
           if(email != '')  
           {  
                $.ajax({  
                     url:"<?php echo base_url(); ?>Email_controller/check_email_avalibility",  
                     method:"POST",  
                     data:{email:email},  
                     success:function(data){  
                          $('#email_result').html(data);  
                     }  
                });  
           }  
      });  
 });  
 </script>

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