Davisonpro/php-recaptcha-project.php

## php-recaptcha-project.php
<?php
if(isset($_POST['login'])) {
    if(!isset($_POST['g-recaptcha-response']) || empty($_POST['g-recaptcha-response'])) {
        echo 'reCAPTHCA verification failed, please try again.';
    } else {
        $secret = 'google_secret_key';

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, 'https://www.google.com/recaptcha/api/siteverify?secret='.$secret.'&response='.$_POST['g-recaptcha-response']);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        $response = curl_exec($ch);
        curl_close($ch);
        $response = json_decode($response);

        if($response->success) {
            // What happens when the CAPTCHA was entered incorrectly
            echo 'Successful login.';
        } else {
            // Your code here to handle a successful verification
            echo 'reCAPTHCA verification failed, please try again.';
        }
    }
}
?>
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>PHP reCAPTHCA</title>
</head>
<body>

    <form method="POST">
        <div class="g-recaptcha" data-sitekey="site_key"></div>
        <input type="submit" name="login" value="Log in">
    </form>
    <script src="https://www.google.com/recaptcha/api.js" async defer></script>
</body>
</html>
	<?php
	if(isset($_POST['login'])) {
	if(!isset($_POST['g-recaptcha-response']) \|\| empty($_POST['g-recaptcha-response'])) {
	echo 'reCAPTHCA verification failed, please try again.';
	} else {
	$secret = 'google_secret_key';

	$ch = curl_init();
	curl_setopt($ch, CURLOPT_URL, 'https://www.google.com/recaptcha/api/siteverify?secret='.$secret.'&response='.$_POST['g-recaptcha-response']);
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
	$response = curl_exec($ch);
	curl_close($ch);
	$response = json_decode($response);

	if($response->success) {
	// What happens when the CAPTCHA was entered incorrectly
	echo 'Successful login.';
	} else {
	// Your code here to handle a successful verification
	echo 'reCAPTHCA verification failed, please try again.';
	}
	}
	}
	?>
	<!DOCTYPE html>
	<html lang="en">
	<head>
	<meta charset="UTF-8">
	<meta name="viewport" content="width=device-width, initial-scale=1.0">
	<meta http-equiv="X-UA-Compatible" content="ie=edge">
	<title>PHP reCAPTHCA</title>
	</head>
	<body>

	<form method="POST">
	<div class="g-recaptcha" data-sitekey="site_key"></div>
	<input type="submit" name="login" value="Log in">
	</form>
	<script src="https://www.google.com/recaptcha/api.js" async defer></script>
	</body>
	</html>