PHP 谷歌验证 google reCAPTCHA PHP client library




reCAPTCHA is a free CAPTCHA service that protect websites from spam and abuse. This is Google authored code that provides plugins for third-party integration with reCAPTCHA.

Manual installation

If you wish to install the library manually (i.e. without Composer), an autoloader is provided assrc/autoload.php. You can require it in your script instead of the usual vendor/autoload.phpcreated by Composer. For example,


$recaptcha = new ReCaptchaReCaptcha($secret);
// etc.


First, register keys for your site at

When your app receives a form submission containing the g-recaptcha-response field, you can verify it using:

$recaptcha = new ReCaptchaReCaptcha($secret);
$resp = $recaptcha->verify($gRecaptchaResponse, $remoteIp);
if ($resp->isSuccess()) {
    // verified!
} else {
    $errors = $resp->getErrorCodes();

You can see an end-to-end working example in examples/example-captcha.php




原文地址:PHP 谷歌验证 google reCAPTCHA PHP client library


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