我正在尝试实施Google的官方PHP ReCaptcha客户端，但收到错误消息：
未定义索引：g-验证码-响应
据我所知，我的实现确实将验证码响应传递回了表单，但是我不确定自己在哪里出错。
PHP：
<?php
//Show errors
ini_set('display_errors', 1);
ini_set('display_startup_errors', 1);
error_reporting(E_ALL);
//Load Required Components
require_once 'src/recaptcha_autoload.php';
require_once "functions.php";
use PHPMailer\PHPMailer\PHPMailer;
use PHPMailer\PHPMailer\Exception;
require 'src/Exception.php';
require 'src/PHPMailer.php';
require 'src/SMTP.php';
$errorsMSG = array(); // array to hold validation errors
$data = array(); // array to pass back data
// validate the variables ======================================================
// if any of these variables don't exist, add an error to our $errorsMSG array
if (empty($_POST['firstName'])) $errorsMSG['firstName'] = 'First Name is required.';
if (empty($_POST['lastName'])) $errorsMSG['lastName'] = 'Last Name is required.';
if (empty($_POST['companyName'])) $errorsMSG['companyName'] = 'Company Name is required.';
if (empty($_POST['companyAddress'])) $errorsMSG['companyAddress'] = 'Company Address is required.';
if (empty($_POST['city'])) $errorsMSG['city'] = 'City is required.';
// if (empty($_POST['state'])) $errorsMSG['state'] = 'State is required.';
if (empty($_POST['emailAddress'])) $errorsMSG['emailAddress'] = 'Email Address is required.';
if (empty($_POST['message'])) $errorsMSG['message'] = 'Message is required.';
// return a response ===========================================================
// if there are any errors in our errors array, return a success boolean of false
if (!empty($errorsMSG)) {
// if there are items in our errors array, return those errors
$data['success'] = false;
$data['errorsMSG'] = $errorsMSG;
} else {
checkRecaptcha();
}
function checkReCaptcha()
{
// Declare Variables
$gRecaptchaResponse = $_POST['g-recaptcha-response'];
$remoteIp = get_client_ip();
$secret = 'SECRET_KEY';
// form submit check
if (isset($_POST['submit']))
{
// Google reCAPTCHA response check
if (isset($_POST['g-recaptcha-response']) && !empty($_POST['g-recaptcha-response']))
{
// Create an instance of the service using your secret
$recaptcha = new \ReCaptcha\ReCaptcha($secret);
$resp = $recaptcha->verify($_POST['g-recaptcha-response'], $_SERVER['REMOTE_ADDR']);
// check if response is a success
if ($resp->isSuccess())
{
//Send Email
sendMail();
}
else
{
//Throw Error if Validation Failed
$errMsg = 'Robot verification failed, please try again.';
};
}
else
{
//Throw Error if User Forgot
$errMsg = 'Please click on the reCAPTCHA box.';
};
}
//End of Check Google Recaptcha Function
}
function sendMail() {
$mail = new PHPMailer(true); // Passing `true` enables exceptions
try {
//Server settings
$mail->SMTPDebug = 2; // Enable verbose debug output
$mail->isSMTP(); // Set mailer to use SMTP
$mail->Host = 'smtp.server.com'; // Specify main and backup SMTP servers
$mail->SMTPAuth = true; // Enable SMTP authentication
$mail->Username = 'user@server.com'; // SMTP username
$mail->Password = 'SECRET_PASSWORD'; // SMTP password
$mail->SMTPSecure = 'tls'; // Enable TLS encryption, `ssl` also accepted
$mail->Port = 587; // TCP port to connect to
//Recipients
$mail->setFrom('user@server.com', 'Mailer');
$mail->addAddress('user@server.com', 'Joe User'); // Add a recipient
//Content
$mail->isHTML(true); // Set email format to HTML
$mail->Subject = 'New Message from Contact Form';
//prepare email body
$body_message = "";
$body_message .= "Sender IP: " . get_client_ip() ."<br>";
$body_message .= "First Name: " . $firstName ."<br>";
$body_message .= "Last Name: " . $lastName ."<br>";
$body_message .= "Company Name: " . $companyName ."<br>";
$body_message .= "Company Address: " . $companyAddress ."<br>";
$body_message .= "City: " . $city ."<br>";
$body_message .= "State: " . $state ."<br>";
$body_message .= "Sender email: " . $emailAddress ."<br>";
$body_message .= "Sender Phone: " . $phoneNumber ."<br>";
$body_message .= "\n\n". $message;
$mail->Body = $body_message;
$mail->send();
$errorsMSG = 'Message successfully sent.';
}
catch(Exception $e) {
$mail->ErrorInfo;
$errorsMSG = 'There has been an issue sending your message.';
}
//End of sendMail Function
}
// return all our data to an AJAX call
echo json_encode($data);
?>
JS：
// Start
$(document).ready(function() {
// process the form
$('form').submit(function(event) {
$('.form-group').removeClass('has-error'); // remove the error class
$('.help-block').remove(); // remove the error text
// get the form data
// there are many ways to get this data using jQuery (you can use the class or id also)
var formData = {
'firstName' : $('input[name=firstName]').val(),
'lastName' : $('input[name=lastName]').val(),
'companyName' : $('input[name=companyName]').val(),
'companyAddress' : $('input[name=companyAddress]').val(),
'city' : $('input[name=city]').val(),
// 'state' : $('input[name=state]').val(),
'emailAddress' : $('input[name=emailAddress]').val(),
'message' : $('input[name=message]').val(),
'g-recaptcha' : $("#g-recaptcha-response").val(),
};
// process the form
$.ajax({
type : 'POST', // define the type of HTTP verb we want to use (POST for our form)
url : 'formMaster.php', // the url where we want to POST
data : formData, // our data object
dataType : 'json', // what type of data do we expect back from the server
encode : true
})
// using the done promise callback
.done(function(data) {
// log data to the console so we can see
console.log(data);
// here we will handle errorsMSG and validation messages
if ( ! data.success) {
// handle errorsMSG for name ---------------
if (data.errorsMSG.firstName) {
$('#firstName-group').addClass('has-error'); // add the error class to show red input
$('#firstName-group').append('<div class="help-block">' + data.errorsMSG.firstName + '</div>'); // add the actual error message under our input
}
// handle errorsMSG for name ---------------
if (data.errorsMSG.lastName) {
$('#lastName-group').addClass('has-error'); // add the error class to show red input
$('#lastName-group').append('<div class="help-block">' + data.errorsMSG.lastName + '</div>'); // add the actual error message under our input
}
// handle errorsMSG for name ---------------
if (data.errorsMSG.companyName) {
$('#companyName-group').addClass('has-error'); // add the error class to show red input
$('#companyName-group').append('<div class="help-block">' + data.errorsMSG.companyName + '</div>'); // add the actual error message under our input
}
// handle errorsMSG for Company Address ---------------
if (data.errorsMSG.companyAddress) {
$('#companyAddress-group').addClass('has-error'); // add the error class to show red input
$('#companyAddress-group').append('<div class="help-block">' + data.errorsMSG.companyAddress + '</div>'); // add the actual error message under our input
}
// handle errorsMSG for Company Address ---------------
if (data.errorsMSG.city) {
$('#city-group').addClass('has-error'); // add the error class to show red input
$('#city-group').append('<div class="help-block">' + data.errorsMSG.city + '</div>'); // add the actual error message under our input
}
// handle errorsMSG for Company Address ---------------
// if (data.errorsMSG.state) {
// $('#state-group').addClass('has-error'); // add the error class to show red input
// $('#state-group').append('<div class="help-block">' + data.errorsMSG.state + '</div>'); // add the actual error message under our input
// }
// handle errorsMSG for Email Address ---------------
if (data.errorsMSG.emailAddress) {
$('#emailAddress-group').addClass('has-error'); // add the error class to show red input
$('#emailAddress-group').append('<div class="help-block">' + data.errorsMSG.emailAddress + '</div>'); // add the actual error message under our input
}
// handle errorsMSG for superhero alias ---------------
if (data.errorsMSG.message) {
$('#message-group').addClass('has-error'); // add the error class to show red input
$('#message-group').append('<div class="help-block">' + data.errorsMSG.message + '</div>'); // add the actual error message under our input
}
} else {
// ALL GOOD! just show the success message!
$('form').append('<div class="alert alert-success">' + data.message + '</div>');
// usually after form submission, you'll want to redirect
// window.location = '/thank-you'; // redirect a user to another page
}
})
// using the fail promise callback
.fail(function(data) {
// show any errorsMSG
// best to remove for production
console.log(data);
});
// stop the form from submitting the normal way and refreshing the page
event.preventDefault();
});
});
我缺少什么或做错了什么？文件/资源在那里并且可以访问。