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<?php
/**
* Base Controller class. Controllers contain the logic of your website,
* each action representing a reply to a particular request, e.g. a single page.
*/
class Controller {
/**
* Request for this controller. Holds all input data.
* @var Request
* @access public
*/
public $request;
/**
* Response for this controller. It will be updated with headers and
* response body during controller execution
* @var Response
* @access public
*/
public $response;
/**
* If set to False stops controller execution
* @var boolean
* @access public
*/
public $execute=true;
/**
* This method is called before the action.
* You can override it if you need to,
* it doesn't do anything by default.
*
* @return void
* @access public
*/
public function before() {}
/**
* This method is called after the action.
* You can override it if you need to,
* it doesn't do anything by default.
*
* @return void
* @access public
*/
public function after() { }
/**
* Creates new Controller
*
* @return void
* @access public
*/
public function __construct() {
$this->response=new Response;
}
/**
* Runs the appropriate action.
* It will execute the before() method before the action
* and after() method after the action finishes.
*
* @param string $action Name of the action to execute.
* @return void
* @access public
* @throws Exception If the specified action doesn't exist
*/
public function run($action) {
$action = 'action_'.$action;
if (!method_exists($this, $action))
throw new Exception("Method {$action} doesn't exist in ".get_class($this));
$this->execute=true;
$this->before();
if($this->execute)
$this->$action();
if($this->execute)
$this->after();
}
}
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