';
return $content . $captcha_html;
}
add_filter('pdb-signup-form', 'add_captcha_to_pdb_form');
function validate_pdb_captcha($submitted_values) {
$captcha = $_POST['g-recaptcha-response'];
$secretKey = "6LdOhjIrAAAAALAzn1uZzQf4_SFGP63Q0ieopqEZ";
$response = file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret=$secretKey&response=$captcha");
$responseKeys = json_decode($response, true);
if (!$responseKeys["success"]) {
die("CAPTCHA validation failed. Please try again.");
}
}
add_action('pdb-before_validate_signup', 'validate_pdb_captcha');
*/
function generate_math_captcha() {
$num1 = rand(1, 10);
$num2 = rand(1, 10);
$sum = $num1 + $num2;
$_SESSION['math_captcha_answer'] = $sum;
return "$num1 + $num2 = ?";
}
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