How to Add CAPTCHA in CodeIgniter
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>Prem Shayari Sangrah … Click here …
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