[FEATURE] Added getIdentifier method to RouterBase

- Fixed getter for getLoadedRoute

src/Pecee/SimpleRouter/RouterBase.php

@@ -120,8 +120,11 @@ class RouterBase {
     /**
      * @return RouterEntry
      */
-    public function getLoadedClass() {
+    public function getLoadedRoute() {
-        return $this->loadedClass;
+        if(!($this->loadedRoute instanceof RouterGroup)) {
+            return $this->loadedRoute;
+        }
+        return null;
     }
 
     /**

src/Pecee/SimpleRouter/RouterEntry.php

@@ -33,6 +33,20 @@ abstract class RouterEntry {
         return new $name();
     }
 
+    /**
+     * Returns callback name/identifier for the current route based on the callback.
+     * Useful if you need to get a unique identifier for the loaded route, for instance
+     * when using translations etc.
+     *
+     * @return string
+     */
+    public function getIdentifier() {
+        if(strpos($this->callback, '@') !== false) {
+            return $this->callback;
+        }
+        return 'function_' . md5($this->callback);
+    }
+
     /**
      * @param string $callback
      * @return self;