使用CI钩子设置公共变量

问题描述

我有几个常见的变量，我想使用钩子设置。例如我有一个post_controller_constructor钩子，在这里我想执行一些逻辑设置用户主文件夹：

I have several common variables which I want to set using a hook. For example I have a post_controller_constructor hook, inside this I want to perform some logic to set the users home folder:

public function post_controller_constructor() {             
  $home_folder = isset($_SESSION['hf']) ? $_SESSION['hf'] : NULL;

  // Check whether the homefolder value has been set            
  $home_folder = isset($_SESSION['hf']) ? base_url($_SESSION['hf']) : base_url('default');
}

但是如何将结果变量$ home_folder传递回我的控制器？ / p>

But how do I pass the resulting variable $home_folder back to my controllers?

推荐答案

public function post_controller_constructor() {             
  $home_folder = isset($_SESSION['hf']) ? $_SESSION['hf'] : NULL;

  // Check whether the homefolder value has been set            
  $home_folder = isset($_SESSION['hf']) ? base_url($_SESSION['hf']) : base_url('default');

  $CI =& get_instance();

  $CI->home_folder = $home_folder;

}

会这样做。

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