How to change password in the CodeIgniter framework

How to send forgot password in CodeIgniter framework PHP.

Here we using 2 files to insert data in MySQL:

• Forms.php Path: codeIgniter\application\controllers\Forms.php
• forgot_pass.php Path: codeIgniter\application\views\change_pass.php

Forms.php (Controller)

<?php 
class Forms extends CI_Controller 
{
   public function __construct()
   {
        parent::__construct();
        $this->load->database();
        $this->load->library('session');
	$this->load->helper('url');
	$this->load->model('Hello_model');
   }	
   
   public function forgot_pass()
   {
	if($this->input->post('forgot_pass')) 
        {
	   $email=$this->input->post('email');
	   $que=$this->db->query("select pass,email from user_login where      email='$email'");
	   $row=$que->row();
	   $user_email=$row->email;
	   if((!strcmp($email, $user_email)))
           {
		$pass=$row->pass;
		$to = $user_email;
		$subject = "Password";
		$txt = "Your password is $pass .";
		$headers = "From: password@example.com" . "\r\n" .
		   "CC: ifany@example.com";

		mail($to,$subject,$txt,$headers);
	   } else {
	       $data['error']="Invalid Email ID !";
	   }	
	}
      $this->load->view('forgot_pass',@$data);	
  }	            
}
?>

forgot_pass.php (View)

<!DOCTYPE html>
<html>
  <head>
    <title>Login Form</title>
      <link rel="stylesheet" type="text/css" href="css/style.css">
  </head>
  <body>
    <div id="main">
      <div id="login">
        <?php echo @$error; ?>
          <h2>Forgot Password</h2> <br />
          <form method="post" action=''>
	    <label>Email ID :</label>
	    <input type="password" name="email" id="name" placeholder="Email ID"/><br /><br />
	    <input type="submit" value="login" name="forgot_pass"/><br />
          </form>
        </div>
      </div>
</body>
</html>
 

Run the program on your browser with URL:

http://localhost/codeIgniter/index.php/Forms/forgot_pass

Here codeIgniter is my folder name. Put your folder name instead of codeIgniter.Rest of things are same.