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15 * This software consists of voluntary contributions made by many individuals
16 * and is licensed under the MIT license.
21 use PHPRouter\RouteCollection;
24 * Routing class to match request URL's against given routes and map them to a controller action.
29 * Array that holds all Route objects
33 private $routes = array();
36 * Array to store named routes in, used for reverse routing.
39 private $namedRoutes = array();
42 * The base REQUEST_URI. Gets prepended to all route url's.
45 private $basePath = '';
48 * @param RouteCollection $collection
50 public function __construct(RouteCollection $collection)
52 $this->routes = $collection;
54 foreach ($this->routes->all() as $route) {
55 if (!is_null($route->getName())) {
56 $this->namedRoutes[$route->getName()] = $route;
62 * Set the base _url - gets prepended to all route _url's.
65 public function setBasePath($basePath)
67 $this->basePath = rtrim($basePath, '/');
71 * Matches the current request against mapped routes
73 public function matchCurrentRequest()
76 isset($_POST['_method'])
77 && ($_method = strtoupper($_POST['_method']))
78 && in_array($_method, array('PUT', 'DELETE'))
79 ) ? $_method : $_SERVER['REQUEST_METHOD'];
81 $requestUrl = $_SERVER['REQUEST_URI'];
83 // strip GET variables from URL
84 if (($pos = strpos($requestUrl, '?')) !== false) {
85 $requestUrl = substr($requestUrl, 0, $pos);
88 return $this->match($requestUrl, $requestMethod);
92 * Match given request _url and request method and see if a route has been defined for it
93 * If so, return route's target
94 * If called multiple times
96 * @param string $requestUrl
97 * @param string $requestMethod
101 public function match($requestUrl, $requestMethod = 'GET')
103 foreach ($this->routes->all() as $routes) {
104 // compare server request method with route's allowed http methods
105 if (!in_array($requestMethod, (array)$routes->getMethods())) {
109 $currentDir = dirname($_SERVER['SCRIPT_NAME']);
110 if ($currentDir != '/') {
111 $requestUrl = str_replace($currentDir, '', $requestUrl);
114 // check if request _url matches route regex. if not, return false.
115 if (!preg_match("@^" . $this->basePath . $routes->getRegex() . "*$@i", $requestUrl, $matches)) {
121 if (preg_match_all("/:([\w-%]+)/", $routes->getUrl(), $argument_keys)) {
122 // grab array with matches
123 $argument_keys = $argument_keys[1];
125 // loop trough parameter names, store matching value in $params array
126 foreach ($argument_keys as $key => $name) {
127 if (isset($matches[$key + 1])) {
128 $params[$name] = $matches[$key + 1];
134 $routes->setParameters($params);
144 * Reverse route a named route
147 * @param array $params Optional array of parameters to use in URL
151 * @return string The url to the route
153 public function generate($routeName, array $params = array())
155 // Check if route exists
156 if (!isset($this->namedRoutes[$routeName])) {
157 throw new Exception("No route with the name $routeName has been found.");
160 /** @var \PHPRouter\Route $route */
161 $route = $this->namedRoutes[$routeName];
162 $url = $route->getUrl();
164 // replace route url with given parameters
165 if ($params && preg_match_all("/:(\w+)/", $url, $param_keys)) {
166 // grab array with matches
167 $param_keys = $param_keys[1];
169 // loop trough parameter names, store matching value in $params array
170 foreach ($param_keys as $key) {
171 if (isset($params[$key])) {
172 $url = preg_replace("/:(\w+)/", $params[$key], $url, 1);
181 * Create routes by array, and return a Router object
183 * @param array $config provide by Config::loadFromFile()
186 public static function parseConfig(array $config)
188 $collection = new RouteCollection();
189 foreach ($config['routes'] as $name => $route) {
190 $collection->attachRoute(new Route($route[0], array(
191 '_controller' => str_replace('.', '::', $route[1]),
192 'methods' => $route[2],
197 $router = new Router($collection);
198 if (isset($config['base_path'])) {
199 $router->setBasePath($config['base_path']);