bump php version requirement to 7.0 and add types on all methods

AltoRouter.php

@@ -49,7 +49,7 @@ class AltoRouter
      * @param array $matchTypes
      * @throws Exception
      */
-    public function __construct(array $routes = [], $basePath = '', array $matchTypes = [])
+    public function __construct(array $routes = [], string $basePath = '', array $matchTypes = [])
     {
         $this->addRoutes($routes);
         $this->setBasePath($basePath);
@@ -61,7 +61,7 @@ public function __construct(array $routes = [], $basePath = '', array $matchType
      * Useful if you want to process or display routes.
      * @return array All routes.
      */
-    public function getRoutes()
+    public function getRoutes(): array
     {
         return $this->routes;
     }
@@ -93,7 +93,7 @@ public function addRoutes($routes)
      * Useful if you are running your application from a subdirectory.
      * @param string $basePath
      */
-    public function setBasePath($basePath)
+    public function setBasePath(string $basePath)
     {
         $this->basePath = $basePath;
     }
@@ -117,7 +117,7 @@ public function addMatchTypes(array $matchTypes)
      * @param string $name Optional name of this route. Supply if you want to reverse route this url in your application.
      * @throws Exception
      */
-    public function map($method, $route, $target, $name = null)
+    public function map(string $method, string $route, $target, string $name = null)
     {
 
         $this->routes[] = [$method, $route, $target, $name];
@@ -128,8 +128,6 @@ public function map($method, $route, $target, $name = null)
             }
             $this->namedRoutes[$name] = $route;
         }
-
-        return;
     }
 
     /**
@@ -138,11 +136,11 @@ public function map($method, $route, $target, $name = null)
      * Generate the URL for a named route. Replace regexes with supplied parameters
      *
      * @param string $routeName The name of the route.
-     * @param array @params Associative array of parameters to replace placeholders with.
+     * @param array $params Associative array of parameters to replace placeholders with.
      * @return string The URL of the route with named parameters in place.
      * @throws Exception
      */
-    public function generate($routeName, array $params = [])
+    public function generate(string $routeName, array $params = []): string
     {
 
         // Check if named route exists
@@ -186,7 +184,7 @@ public function generate($routeName, array $params = [])
      * @param string $requestMethod
      * @return array|boolean Array with route information on success, false on failure (no match).
      */
-    public function match($requestUrl = null, $requestMethod = null)
+    public function match(string $requestUrl = null, string $requestMethod = null)
     {
 
         $params = [];
@@ -264,10 +262,10 @@ public function match($requestUrl = null, $requestMethod = null)
 
     /**
      * Compile the regex for a given route (EXPENSIVE)
-     * @param $route
+     * @param string $route
      * @return string
      */
-    protected function compileRoute($route)
+    protected function compileRoute(string $route): string
     {
         if (preg_match_all('`(/|\.|)\[([^:\]]*+)(?::([^:\]]*+))?\](\?|)`', $route, $matches, PREG_SET_ORDER)) {
             $matchTypes = $this->matchTypes;

composer.json

@@ -20,7 +20,7 @@
       }
    ],
    "require": {
-      "php": ">=5.6.0"
+      "php": ">=7.0"
    },
    "require-dev": {
       "phpunit/phpunit": "9.6.*",