使用PHP if语句！empty（）未正确检查现有变量

我遇到了一个奇怪的问题，似乎无法正确调试。 我目前正在使用AngularJS和对PHP文件的JSON请求创建一个注册表单。下面是一个用于调试的输入数据示例

现在，通过调试JSON响应，发送的请求清楚地包含以下数据

由于某种原因，

$response['debug-two']

或

$response['debug-info-two']

不会添加到响应的JSON中，即使所有必需的字段都是

！空（）。而且，
$reponse['empty-fields']
也不是。因此，它必须归结为if语句中的空字段，但我似乎无法理解或弄清楚原因，因为所有字段都设置为
$response['debug-info']

# Prevent XSRF
if ($session->checkXSRF()) {
    # Get POST data
    $data = json_decode(file_get_contents("php://input"));

    $fullname = $data->fullname;
    $email = $data->email;
    $birthday = $data->bithday;
    $password1 = $data->password1;
    $password2 = $data->password2;
    $agreement1 = $data->agreement1;
    $agreement2 = $data->agreement2;

    $response['debug'] = $data;
    $response['debug-info'] = $fullname.$email.$birthday.$password1.$password2.$agreement1.$agreement2;

    # Check if empty fields
    if ( (!empty($fullname)) && (!empty($email)) && (!empty($birthday)) && (!empty($password1)) && (!empty($password2)) && ($agreement1) ) {
        $response['debug-two'] = $data;
        $response['debug-info-two'] = $fullname.$email.$birthday.$password1.$password2.$agreement1.$agreement2;
    } else {
        # All fields are required
        $reponse['empty-fields'] = true;
    }
} else {
    # XSRF Error detected
    $response['xsrf-invalid'] = true;
}

# Return JSON response
echo json_encode($response);

你有几处打字错误导致了你的问题

第一个是在
$birthday=$data->bithday中-您错过了“生日”中的“r”

其次，在
$reponse['empty-fields']=true中您错过了“响应”中的“s”

# Prevent XSRF
if ($session->checkXSRF()) {
    # Get POST data
    $data = json_decode(file_get_contents("php://input"));

    $fullname = $data->fullname;
    $email = $data->email;
    $birthday = $data->birthday;
    $password1 = $data->password1;
    $password2 = $data->password2;
    $agreement1 = $data->agreement1;
    $agreement2 = $data->agreement2;

    $response['debug'] = $data;
    $response['debug-info'] = $fullname.$email.$birthday.$password1.$password2.$agreement1.$agreement2;

    # Check if empty fields
    if ( (!empty($fullname)) && (!empty($email)) && (!empty($birthday)) && (!empty($password1)) && (!empty($password2)) && ($agreement1) ) {
        $response['debug-two'] = $data;
        $response['debug-info-two'] = $fullname.$email.$birthday.$password1.$password2.$agreement1.$agreement2;
    } else {
        # All fields are required
        $response['empty-fields'] = true;
    }
} else {
    # XSRF Error detected
    $response['xsrf-invalid'] = true;
}

# Return JSON response
echo json_encode($response);

这行有一个打字错误<代码>$reponse['empty-fields']=true-应为
$response['empty-fields']=true（您错过了“s”）。你到底想用if语句检查什么？@thebluefox哦，是的，这让空字段消失了，但为什么它会这样做呢？当所有的字段都被删除时！empty（）和agreement1为真？进行一些调试，看看哪些表达式为假<代码>变量转储（（！empty（$fullname））。&&（！empty（$email））。&&（！empty（$birth））。&&（！empty（$password1））。&（！empty（$password2））。&&（$agreement1））@thebluefox发现了问题，谢谢！：）