Recaptcha
코드 예제
recaptcha
What is reCAPTCHA? reCAPTCHA protects your website from fraud and abuse. reCAPTCHA uses an advanced risk analysis engine and adaptive challenges to keep malicious software from engaging in abusive activities on your website.recaptcha
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<script src="https://www.google.com/recaptcha/api.js?render=SITEKEY"></script>
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<form method="post" action="">
<input type="hidden" name="token" id="token">
<button type="submit" name="submit">Send</button>
</form>
<script>
grecaptcha.ready(function() {
grecaptcha.execute('SITEKEY', {action: 'submit'}).then(function(token) {
document.getElementById("token").value = token;
});
});
</script>
</body>
</html>
<?php
if(isset($_POST['submit'])){
$request = file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret=SECRETKEY&response=" . $_POST['token']);
$request = json_decode($request);
if($request->success == true){
if($request->score >= 0.6){
// Do something
}else{
echo "error";
}
}
}
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