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@ 2019-11-01T21:02:43Z

<?php

class Router
{
    protected $routes = [];

    protected $params = [] ;

    protected $namespace = 'App\Controllers\\';

    public function add($route , $params )
    {
        $route = preg_replace('/^\//','' , $route);

        $route = preg_replace('/\//' , '\\/' , $route);

		$route = preg_replace('/\{([a-z]+)\}/' , '?([a-z0-9ا-ی]+)' , $route);


        $route = '/^' . $route . '\/?$/i';

        if(is_string($params)) {
            list($AllParams['controller'] , $AllParams['method']) = explode('@' , $params);
        }

        if(is_array($params)) {
            list($AllParams['controller'] , $AllParams['method']) = explode('@' , $params['uses']);
            unset($params['uses']);
            $AllParams = array_merge($AllParams , $params);

        }

        $this->routes[$route] = $AllParams;
    }

    public function match($url)
    {
        foreach ($this->routes as $route => $params) {
            if(preg_match($route , $url , $matches)) {
                foreach ($matches as $key => $match) {
                    if(is_string($key)) {
                        $params['params'][$key] = $match;
                    }
                }
                $this->params = $params;
                return true;
            }
        }
        return false;
    }

    public function dispatch($url)
    {
        $url = $this->removeVariblesOfQueryString($url);
        if($this->match($url)) {
            $controller = $this->params['controller'];
            $controller =  $this->getNameSpace() . $controller;

            if(class_exists($controller)) {
                $controller_object = new $controller();

                $method = $this->params['method'];

                if(is_callable([$controller_object , $method])) {
                        $this->params['params'] = isset($this->params['params']) ? $this->params['params'] : [];
                        echo call_user_func_array([$controller_object , $method] , $this->params['params']);

                } else {
                    throw new \Exception("Method {$method} (in controller {$controller}) not found");
                }
            } else {
                throw new \Exception("Controller class {$controller} not found",404);
            }
        } else {
            throw new \Exception("no route matched.",404);
        }
    }
    public function getRoutes()
    {
        return $this->routes;
    }

    public function getParams()
    {
        return $this->params;
    }

    protected function getNameSpace()
    {
        $namespace = $this->namespace;

        if(array_key_exists('namespace' , $this->params)) {
            $namespace .= $this->params['namespace'] . '\\';
        }

        return $namespace;
    }

    protected function removeVariblesOfQueryString($url)
    {
        if($url != '') {
            $parts = explode("&" , $url , 2);
            if(strpos($parts[0] , '=') === false) {
                $url = $parts[0];
            } else {
                $url = '';
            }
            return $url;
        }
    }

}

$router = new Router();
$router->add('/news/{city}','cityController@index');
$router->dispatch('news/اراک');

Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12: Fatal error: Uncaught Exception: Controller class App\Controllers\cityController not found in /in/5V1Ne:72 Stack trace: #0 /in/5V1Ne(116): Router->dispatch('news/\xD8\xA7\xD8\xB1\xD8\xA7\xDA\xA9') #1 {main} thrown in /in/5V1Ne on line 72
Process exited with code 255.
Output for 5.4.27 - 5.4.45, 5.5.11 - 5.5.38, 5.6.0 - 5.6.40: Fatal error: Uncaught exception 'Exception' with message 'Controller class App\Controllers\cityController not found' in /in/5V1Ne:72 Stack trace: #0 /in/5V1Ne(116): Router->dispatch('news/\xD8\xA7\xD8\xB1\xD8\xA7\xDA\xA9') #1 {main} thrown in /in/5V1Ne on line 72
Process exited with code 255.
Output for 5.4.0 - 5.4.26, 5.5.0 - 5.5.10: Fatal error: Uncaught exception 'Exception' with message 'Controller class App\Controllers\cityController not found' in /in/5V1Ne:72 Stack trace: #0 /in/5V1Ne(116): Router->dispatch('news/????????') #1 {main} thrown in /in/5V1Ne on line 72
Process exited with code 255.
Output for 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29: Parse error: syntax error, unexpected '[' in /in/5V1Ne on line 5
Process exited with code 255.
Output for 5.0.0 - 5.0.5: Parse error: parse error, unexpected '[' in /in/5V1Ne on line 5
Process exited with code 255.
Output for 4.4.2 - 4.4.9: Parse error: syntax error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/5V1Ne on line 5
Process exited with code 255.
Output for 4.3.0 - 4.3.1, 4.3.5 - 4.3.11, 4.4.0 - 4.4.1: Parse error: parse error, unexpected T_STRING, expecting T_OLD_FUNCTION or T_FUNCTION or T_VAR or '}' in /in/5V1Ne on line 5
Process exited with code 255.
Output for 4.3.2 - 4.3.4: Parse error: parse error, expecting `T_OLD_FUNCTION' or `T_FUNCTION' or `T_VAR' or `'}'' in /in/5V1Ne on line 5
Process exited with code 255.

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