尝试从返回的对象获取非对象的属性

问题描述：

I have a file I am using as a PHP to act as a config file to store info that might need to be changed frequently. I return the array as an object, like so:

return (object) array(
    "host" => array(
        "URL" => "https://thomas-smyth.co.uk"
    ),

    "dbconfig" => array(
        "DBHost" => "localhost",
        "DBPort" => "3306",
        "DBUser" => "thomassm_sqlogin",
        "DBPassword" => "SQLLoginPassword1234",
        "DBName" => "thomassm_CadetPortal"
    ),

    "reCaptcha" => array(
        "reCaptchaURL" => "https://www.google.com/recaptcha/api/siteverify",
        "reCaptchaSecretKey" => "IWouldNotBeSecretIfIPostedItHere"
    )
);

In my classes I have a constructor to call this: private $config;

function __construct(){
    $this->config = require('core.config.php');
}

And the use it like:

curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query(array('secret' => $this->config->reCaptcha->reCaptchaSecretKey, 'response' => $StrToken)));

However, I am given the error:

[18-Apr-2017 21:18:02 UTC] PHP Notice:  Trying to get property of non-object in /home/thomassm/public_html/php/lib/CoreFunctions.php on line 21

I don't understand why this is happening considering the thing is returned as an object and it seemed to work for other people, as I got this idea from another question. Any suggestions?

我有一个文件，我用作PHP作为配置文件来存储可能需要的信息经常变化。我将数组作为对象返回，如下所示： p>

  return（object）array（
“host”=＆gt; array（
“URL”=＆gt;“  https://thomas-smyth.co.uk“
），
 
”dbconfig“=＆gt;数组（
”DBHost“=＆gt;”localhost“，
”DBPort“=＆gt;”3306  “，
”DBUser“=＆gt;”thomassm_sqlogin“，
”DBPassword“=＆gt;”SQLLoginPassword1234“，
”DBName“=＆gt;”thomassm_CadetPortal“
），
 
”reCaptcha“=＆gt  ; array（
“reCaptchaURL”=＆gt;“https://www.google.com/recaptcha/api/siteverify",
”reCaptchaSecretKey“=＆gt;”IWouldNotBeSecretIfIPostedItHere“
）
）; 
   pre> 
 
 在我的类中，我有一个构造函数来调用它：
 private $ config;  p> 
 
 
  function __construct（）{  
 $ this-＆gt; config = require（'core.config.php'）; 
} 
  code>  pre> 
 
 并使用它： p>  
 
 
  curl_setopt（$ ch，CURLOPT_POSTFIELDS，http_build_query（array（'secret'=＆gt; $ this-＆gt; config-＆gt; reCaptcha-＆gt; reCaptchaSecretKey，'response  '=＆gt;  $ StrToken）））; 
  code>  pre> 
 
 然而，我收到错误： p> 
 
 
  [18-Apr-  2017 21:18:02 UTC] PHP注意：尝试在第21行的/home/thomassm/public_html/php/lib/CoreFunctions.php中获取非对象的属性
  code>  pre> 
 \  n 我不明白为什么会发生这种情况，因为这件事作为一个对象返回，而且它似乎适用于其他人，因为我从另一个问题中得到了这个想法。 有什么建议吗？ p> 
  div>

答

In your example only $this->config is an object. The properties are arrays, so you would use:

$this->config->reCaptcha['reCaptchaSecretKey']

The object looks like this:

stdClass Object
(
    [host] => Array
        (
            [URL] => https://thomas-smyth.co.uk
        )

    [dbconfig] => Array
        (
            [DBHost] => localhost
            [DBPort] => 3306
            [DBUser] => thomassm_sqlogin
            [DBPassword] => SQLLoginPassword1234
            [DBName] => thomassm_CadetPortal
        )

    [reCaptcha] => Array
        (
            [reCaptchaURL] => https://www.google.com/recaptcha/api/siteverify
            [reCaptchaSecretKey] => IWouldNotBeSecretIfIPostedItHere
        )

)

To have all objects you could JSON encode and then decode:

$this->config = json_decode(json_encode($this->config));

尝试从返回的对象获取非对象的属性

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