joejophi/php-image-captcha

Simple & Secure PHP Image Captcha

Maintainers

Details

github.com/joejophi/php-image-captcha

Source

Issues

Installs: 1

Dependents: 0

Suggesters: 0

Security: 0

Stars: 2

Watchers: 1

Forks: 0

Open Issues: 0

v1.0.x-dev 2022-12-07 07:16 UTC

MIT 54a5db521d1b932d5159d81b0c44366a19cb169a

  • N M Jophi <joejophi.woop@gmail.com>

captchaimage captcha

This package is auto-updated.

Last update: 2025-06-07 12:41:00 UTC

README

Simple & Secure PHP Image Captcha

Usage/Examples

sample-form.php

<html>
  <head>
    <title>Simple Captcha</title>
  </head>
  <body>
    <center>
    <form method="post" action="formSubmit.php">
        <button type="button" onclick="document.getElementById('captchaImage').src = 'generateCaptcha.php?' + new Date().getTime();">Refresh Captcha</button>
        <br/><br/>
        <img src="generateCaptcha.php?<?php time();?>" id="captchaImage" />
        <br/><br/>
        <input type="text" id="captcha" name="captcha" />
        <br/><br/>
        <button type="submit">Submit</button>
    </form>
    </center>
  </body>
</html>

generateCaptcha.php

<?php

require_once 'vendor/autoload.php';

$captcha = new \Joejophi\PhpImageCaptcha\Captcha();
return $captcha->generate();

formSubmit.php

<?php

require_once 'vendor/autoload.php';

$captcha = new \Joejophi\PhpImageCaptcha\Captcha();

if (isset($_POST["captcha"])) {
    if ($captcha->verify($_POST["captcha"])) {
        echo "Valid Captcha";
    } else {
        echo "Invalid Valid Captcha";
    }
}

Authors

  • N M Jophi

Features

  • Easy to integrate
  • Add Simple & Secure PHP Captcha on any form within seconds
  • Image Captcha created is a combination of alphabets and numbers
  • Used to avoid spam