<?php
session_start();
$status = "";
if ($_SESSION['captcha'] === $_POST['captcha']) {
$status = "<p style='color: green;'>Captcha is correct!</p>";
} else {
$status = "<p style='color: red;'>Captcha is invalid!</p>";
}
?>
<form method="POST" action="<?php echo $_SERVER['PHP_SELF']; ?>">
<img src="generate.php" alt="CAPTCHA">
<div class="elem-group">
<label for="captcha">Enter the captcha:</label>
<br>
<input type="text" id="captcha" name="captcha">
<input type="submit" name="submit" value="Submit">
</div>
</form>
