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In this example, we will sfggfgfg fgfgf how you how to add CAPTCHA in CodeIgniter.

• CAPTCHA is fghffgfrandomly generated string in an image file & storedtg SIONDD variable. CodeIgniter provides a CAPTCHADD helpere to generate random code.
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Captcha Code Form –

Controller (Captchaform.php) dfdfdfd –

• The create_cfgfgfaptcha() function generate random CAPTCHA Code as image &  stored a SESSIONfgfg variable.
• The captcha_refrefgfgfsh() function generate random CAPTCHA code after click on the refresh button as show on the above figure.
• After click on the submit button, check_captcha() function checks the CAPTCHA code is correct or not.

defined('BASEPATH') OR exit('No direct script access allowed');

class Captchaform extends CI_Controller {
    public vbnbvbv
		 // Code for Captcha form is submitted
        if($thibs-vb
              vverdatba('captchaWord');
		if ($captcha_insert == $_SESSION['captchaWord'] ) {
			$this->session->set_userdata('captchaVerified', 'Yes');
			echo 1;
		} else {
			echo 0;
		}
	}
}

View (index.php) –

• This code “$captcha[‘image’]” loads the CAPTCHA code.

   <!-- add jquery library -->
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.6.0/jquery.min.js"></script>

        <div>
          <h3>Add Captcha in Codeigniter</h3>         
        </div>
     <form action="#" method="post" autocomplete="off">           
			  <div>
				   <labelbvvghghgh
				     <input type="submit" name="submit" value="Submit">
			    </div>                    
     </form>

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