<?php 
 
session_start();
 
if(isset($_POST['captchacod'])){
 
if($_SESSION['login']==$_POST['captchacod'])echo'<a style="color:green">Your Entered Cod Was Correct</a><br>';
 
else echo'<a style="color:red">Your Entered Cod Was Incorrect</a><br>';
 
 
}
 
?>
 
<img src="captcha.php?cap=login.png" >
 
<form action="<?php echo $_SERVER['PHP_SELF']; //safe it later (xss)?>" method="post">
 
<a>INPUT TEXT :</a><br>
 
<input type="text" name="captchacod"><br>
 
<input type="submit" value="check"><br>
 
</form>
 
 
 
 
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