router-class-2011-11-27.zip_Class 11

<?php /** * * @author Orkhan Z. Maharramli (orkhan.maharramli@gmail.com) * */ class Router { public $path; public $config; public $routes = array(); private static $instance; public static function getInstance() { if (self::$instance === null) { self::$instance = new self(); } return self::$instance; } public function __construct() { $this->config = Config::getInstance(); $this->routes = $this->_getRoutes(); $this->path = $this->_getPath(); header("HTTP/1.0 404 Not Found"); return; } public function __destruct() { $this->routes = array(); $this->config = null; $this->path = null; } public function __get($name) { return $this->{$name}; } /** * * Get routes from XML * * @return array Router Configs * */ protected function _getRoutes() { if(count($this->config->routes->route) > 0) { foreach($this->config->routes->route as $routes) { $routes_array[(string)$routes->attributes()->pattern] = (string)$routes->attributes()->route; } } else { $routes_array = array(); } return $routes_array; } /** * * Get path from $_SERVER * * @return string URL * */ protected function _getPath() { if(isset($_SERVER['PATH_INFO'])) { $uri = $_SERVER['PATH_INFO']; } elseif(isset($_SERVER['REQUEST_URI'])) { $uri = $_SERVER['REQUEST_URI']; if(strpos($uri, $_SERVER['SCRIPT_NAME']) === 0) { $uri = substr($uri, strlen($_SERVER['SCRIPT_NAME'])); } elseif(strpos($uri, dirname($_SERVER['SCRIPT_NAME'])) === 0) { $uri = substr($uri, strlen(dirname($_SERVER['SCRIPT_NAME']))); } // This section ensures that even on servers that require the URI to be in the query string (Nginx) a correct // URI is found, and also fixes the QUERY_STRING server var and $_GET array. if(strncmp($uri, '?/', 2) === 0) { $uri = substr($uri, 2); } $parts = preg_split('#\?#i', $uri, 2); $uri = $parts[0]; if(isset($parts[1])) { $_SERVER['QUERY_STRING'] = $parts[1]; parse_str($_SERVER['QUERY_STRING'], $_GET); } else { $_SERVER['QUERY_STRING'] = ''; $_GET = array(); } $uri = parse_url($uri, PHP_URL_PATH); } else { $uri = false; } $uri = ltrim($uri, '/'); if(count($this->routes) > 0) { foreach($this->routes as $pattern => $route) { if(preg_match("~$pattern~", $uri)) { $uri = preg_replace("~$pattern~", $route, $uri); $uri = str_replace(array('//', '../'), '/', trim($uri, '/')); $uri = explode('/', $uri); } } } else { $uri = str_replace(array('//', '../'), '/', trim($uri, '/')); $uri = explode('/', $uri); } return $uri; } }