PHP-Captcha

This is very simple and lightweight Mathematical Captcha Class. You can easily configure it in your raw php project.

Documentation

Download the Mc.class.php file and add this file in your project.

Implement the class in your project like as example.

[NB:Please don't call Mc::putMcData() before your post request where you check the captcha answer.]

screenshot:

Example Code:

<?php 
  require_once 'Mc.class.php';
  if(isset($_POST['submit']) && isset($_POST['answer']))
  {
  	$answer=$_POST['answer'];
  	if($answer==Mc::getMcAnswer())
  	{
  		echo "Correct answer";
  	}
  	else
  	{
  		echo "Incorrect";
  	}
  }
  ?>
  
  <!DOCTYPE html>
  <html lang="en">
  <head>
  	<meta charset="UTF-8">
  	<title>PHP Captcha created by Harun</title>
  </head>
  <body>
  				 <?php Mc::putMcData(); ?>
  	<p>Question: <?=Mc::getMcQuestion();?></p>
  	<form action="" method="POST">
  		<p>Put your answer: <input type="text" name="answer"></p>
  		<input name="submit" type="submit">
  	</form>
  </body>
  </html>

haruncpi/PHP-Captcha

PHP-Captcha

Documentation