'; 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 = ?"; } Resources | BHRN

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