function display_captcha()
{
echo '
<script type="text/javascript">
var RecaptchaOptions = {
theme : "clean"
};
</script>
';
$captcha = new Captcha\Captcha();
$captcha->setPublicKey(CONFIG_RECAPTCHA_PUBLIC_KEY);
$captcha->setPrivateKey(CONFIG_RECAPTCHA_PRIVATE_KEY);
echo $captcha->html();
}
<?php
/**
* You must run `composer install` in order to generate autoloader for this example
*/
require __DIR__ . '/../vendor/autoload.php';
// New captcha instance
$captcha = new Captcha\Captcha();
$captcha->setPublicKey('publickey');
$captcha->setPrivateKey('privatekey');
// set a remote IP if the remote IP can not be found via $_SERVER['REMOTE_ADDR']
if (!isset($_SERVER['REMOTE_ADDR'])) {
$captcha->setRemoteIp('192.168.1.1');
}
// Output captcha to end user
echo $captcha->html();
// Perform validation (put this inside if ($_POST) {} condition for example)
$response = $captcha->check();
if (!$response->isValid()) {
echo $response->getError();
}
