验证苹果登录：app 苹果 登录后台做验证登录

//安装类：composer require griffinledingham/php-apple-signin

<?php
use AppleSignIn\ASDecoder;

//由ios传过来这两个参数
$clientUser = "example_client_user";
$identityToken = "example_encoded_jwt";

$appleSignInPayload = ASDecoder::getAppleSignInPayload($identityToken);

/**
 * Obtain the Sign In with Apple email and user creds.
 */
$email = $appleSignInPayload->getEmail();
$user = $appleSignInPayload->getUser();

/**
 * Determine whether the client-provided user is valid.
 */
$isValid = $appleSignInPayload->verifyUser($clientUser);

?>