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avm99963/recaptcha.php

Last active August 29, 2015 14:24
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Recaptcha Demo
Raw
recaptcha.php
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>ReCaptcha Demo</title>
<script src="https://www.google.com/recaptcha/api.js" async defer></script>
</head>
<body>
<?php
/** Las siguientes variables contienen varias llaves para comunicarse con la API de ReCaptcha.
* Las llaves se pueden obtener en: https://www.google.com/recaptcha/admin
*/
$sitekey = ""; // Aquí va la site key.
$privatekey = ""; // Y aquí la private key.
if ($_POST["sent"] == "1") {
// Se verifica la respuesta del usuario en el ReCaptcha
$response_json = file_get_contents("https://www.google.com/recaptcha/api/siteverify?secret=".urlencode($privatekey)."&response=".urlencode($_POST["g-recaptcha-response"]));
$response = json_decode($response_json, true);
if ($response["success"] === true) {
echo "¡Bien! Has pasado la prueba del ReCaptcha satisfactoriamente \o/";
} else {
echo "Parece que eres un robot... Perdóname, pero yo soy de los que discrimina a los robots y no les dejo entrar :-/";
}
} else {
// Se muestra el recaptcha:
?>
<form method="POST">
<input type="hidden" name="sent" value="1">
<div class="g-recaptcha" data-sitekey="<?=$sitekey?>"></div>
<p><input type="submit" value="Envía"></p>
</form>
<?php
}
?>
</body>
</html>
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