diff --git a/src/App.php b/src/App.php
index 166c036f..68cb65a3 100755
--- a/src/App.php
+++ b/src/App.php
@@ -67,7 +67,7 @@ class App
      *
      * @var callback[]
      */
-    protected $init = array();
+    protected $init = [];
 
     /**
      * Shutdown
@@ -76,7 +76,7 @@ class App
      *
      * @var callback[]
      */
-    protected $shutdown = array();
+    protected $shutdown = [];
 
     /**
      * Options
@@ -85,7 +85,7 @@ class App
      *
      * @var callback[]
      */
-    protected $options = array();
+    protected $options = [];
 
     /**
      * Route
@@ -103,7 +103,7 @@ class App
      *
      * @var null
      */
-    protected $matches = array();
+    protected $matches = [];
 
     /**
      * App
@@ -361,7 +361,7 @@ public function match(Request $request) {
         $method = (self::REQUEST_METHOD_HEAD == $method) ? self::REQUEST_METHOD_GET : $method;
 
         if(!isset($this->routes[$method])) {
-            $this->routes[$method] = array();
+            $this->routes[$method] = [];
         }
 
         /*
@@ -413,8 +413,8 @@ public function match(Request $request) {
      */
     public function run(Request $request, Response $response)
     {
-        $keys       = array();
-        $params     = array();
+        $keys       = [];
+        $params     = [];
         $method     = $request->getServer('REQUEST_METHOD', '');
         $route      = $this->match($request);
 
@@ -435,7 +435,7 @@ public function run(Request $request, Response $response)
 
             try {
                 foreach($this->init as $init) {
-                    call_user_func_array($init, array());
+                    call_user_func_array($init, []);
                 }
 
                 foreach($route->getParams() as $key => $param) {
@@ -452,11 +452,11 @@ public function run(Request $request, Response $response)
                 call_user_func_array($route->getAction(), $params);
 
                 foreach($this->shutdown as $shutdown) {
-                    call_user_func_array($shutdown, array());
+                    call_user_func_array($shutdown, []);
                 }
             }
             catch (\Exception $e) {
-                call_user_func_array($this->error, array($e));
+                call_user_func_array($this->error, [$e]);
             }
 
             return $this;
@@ -464,15 +464,15 @@ public function run(Request $request, Response $response)
         elseif(self::REQUEST_METHOD_OPTIONS == $method) {
             try {
                 foreach($this->options as $option) {
-                    call_user_func_array($option, array());
+                    call_user_func_array($option, []);
                 }
             }
             catch (\Exception $e) {
-                call_user_func_array($this->error, array($e));
+                call_user_func_array($this->error, [$e]);
             }
         }
         else {
-            call_user_func_array($this->error, array(new Exception('Not Found', 404)));
+            call_user_func_array($this->error, [new Exception('Not Found', 404)]);
         }
 
         return $this;
diff --git a/src/Request.php b/src/Request.php
index f082028c..1255bd6b 100755
--- a/src/Request.php
+++ b/src/Request.php
@@ -51,7 +51,7 @@ class Request
      * @param  mixed  $default
      * @return mixed
      */
-    public function getParam($key, $default = null)
+    public function getParam(string $key, $default = null)
     {
         switch($this->getServer('REQUEST_METHOD', '')) {
             case self::METHOD_GET:
@@ -75,7 +75,7 @@ public function getParam($key, $default = null)
      *
      * @return array
      */
-    public function getParams()
+    public function getParams(): array
     {
         switch($this->getServer('REQUEST_METHOD', '')) {
             case self::METHOD_GET:
@@ -100,7 +100,7 @@ public function getParams()
      * @param  mixed  $default
      * @return mixed
      */
-    public function getQuery($key, $default = null)
+    public function getQuery(string $key, $default = null)
     {
         return (isset($_GET[$key])) ? $_GET[$key] : $default;
     }
@@ -114,54 +114,13 @@ public function getQuery($key, $default = null)
      * @param  mixed  $default
      * @return mixed
      */
-    public function getPayload($key, $default = null)
+    public function getPayload(string $key, $default = null)
     {
         $payload = $this->generateInput();
 
         return (isset($payload[$key])) ? $payload[$key] : $default;
     }
 
-    /**
-     * Get request
-     *
-     * Method for querying HTTP request parameters whether carried with GET, POST or cookie. If $key is not found $default value will be returned.
-     *
-     * @param  string $key
-     * @param  mixed $default
-     * @param array $priority The later will overwrite $key value if set
-     * @throws Exception
-     * @return mixed
-     */
-    public function getRequest($key, $default = null, $priority = ['get', 'post', 'cookie', 'header'])
-    {
-        $value = $default;
-
-        foreach ($priority as $method) {
-            switch ($method) {
-                case 'get':
-                    $temp = $this->getQuery($key, null);
-                    $value = (null !== $temp) ? $temp : $value;
-                    break;
-                case 'post':
-                    $temp = $this->getPayload($key, null);
-                    $value = (null !== $temp) ? $temp : $value;
-                    break;
-                case 'cookie':
-                    $temp = $this->getCookie($key, null);
-                    $value = (null !== $temp) ? $temp : $value;
-                    break;
-                case 'header':
-                    $temp = $this->getHeader($key, null);
-                    $value = (null !== $temp) ? $temp : $value;
-                    break;
-                default:
-                    throw new Exception($method . ' method not supported');
-            }
-        }
-
-        return $value;
-    }
-
     /**
      * Get server
      *
@@ -171,7 +130,7 @@ public function getRequest($key, $default = null, $priority = ['get', 'post', 'c
      * @param  mixed  $default
      * @return mixed
      */
-    public function getServer($key, $default = null)
+    public function getServer(string $key, $default = null)
     {
         return (isset($_SERVER[$key])) ? $_SERVER[$key] : $default;
     }
@@ -182,8 +141,11 @@ public function getServer($key, $default = null)
      * Returns users IP address.
      * Support HTTP_X_FORWARDED_FOR header usually return
      *  from different proxy servers or PHP default REMOTE_ADDR
+     * 
+     * @return string
      */
-    public function getIP() {
+    public function getIP(): string
+    {
         return $this->getServer('HTTP_X_FORWARDED_FOR', $this->getServer('REMOTE_ADDR', '0.0.0.0'));
     }
 
@@ -194,7 +156,8 @@ public function getIP() {
      *
      * @return string
      */
-    public function getMethod() {
+    public function getMethod(): string
+    {
         return $this->getServer('REQUEST_METHOD', 'UNKNOWN');
     }
 
@@ -206,9 +169,9 @@ public function getMethod() {
      * @param  string $key
      * @return array
      */
-    public function getFiles($key)
+    public function getFiles(string $key): array
     {
-        return (isset($_FILES[$key])) ? $_FILES[$key] : array();
+        return (isset($_FILES[$key])) ? $_FILES[$key] : [];
     }
 
     /**
@@ -220,7 +183,7 @@ public function getFiles($key)
      * @param  mixed  $default
      * @return mixed
      */
-    public function getCookie($key, $default = null)
+    public function getCookie(string $key, string $default = '')
     {
         return (isset($_COOKIE[$key])) ? $_COOKIE[$key] : $default;
     }
@@ -231,10 +194,10 @@ public function getCookie($key, $default = null)
      * Method for querying HTTP header parameters. If $key is not found $default value will be returned.
      *
      * @param  string $key
-     * @param  mixed  $default
-     * @return mixed
+     * @param  string  $default
+     * @return string
      */
-    public function getHeader($key, $default = null)
+    public function getHeader(string $key, string $default = ''): string
     {
         $headers = $this->generateHeaders();
 
@@ -248,7 +211,7 @@ public function getHeader($key, $default = null)
      *
      * @return int
      */
-    public function getSize()
+    public function getSize(): int
     {
         return mb_strlen(implode("\n", $this->generateHeaders()), '8bit') + mb_strlen(file_get_contents('php://input'), '8bit');
     }
@@ -260,7 +223,7 @@ public function getSize()
      *
      * @return array
      */
-    protected function generateInput()
+    protected function generateInput(): array
     {
         if (null === $this->payload) {
             $contentType    = $this->getHeader('Content-Type');
@@ -295,11 +258,9 @@ protected function generateInput()
      *
      * @return array
      */
-    protected function generateHeaders()
+    protected function generateHeaders(): array
     {
         if (null === $this->headers) {
-            $fallback = null;
-
             /**
              * Fallback for older PHP versions
              * that do not support generateHeaders
diff --git a/src/Response.php b/src/Response.php
index c2a683ac..7b70dd06 100755
--- a/src/Response.php
+++ b/src/Response.php
@@ -75,7 +75,7 @@ class Response
     /**
      * @var array
      */
-    protected $statusCodes = Array(
+    protected $statusCodes = [
         self::STATUS_CODE_CONTINUE                         => 'Continue',
         self::STATUS_CODE_SWITCHING_PROTOCOLS              => 'Switching Protocols',
         self::STATUS_CODE_OK                               => 'OK',
@@ -118,7 +118,7 @@ class Response
         self::STATUS_CODE_SERVICE_UNAVAILABLE              => 'Service Unavailable',
         self::STATUS_CODE_GATEWAY_TIMEOUT                  => 'Gateway Timeout',
         self::STATUS_CODE_HTTP_VERSION_NOT_SUPPORTED       => 'HTTP Version Not Supported',
-    );
+    ];
 
     const COOKIE_SAMESITE_NONE      = 'None';
     const COOKIE_SAMESITE_STRICT    = 'Strict';
@@ -142,12 +142,12 @@ class Response
     /**
      * @var array
      */
-    protected $headers = array();
+    protected $headers = [];
 
     /**
      * @var array
      */
-    protected $cookies = array();
+    protected $cookies = [];
 
     /**
      * @var int
@@ -175,7 +175,7 @@ public function __construct()
      * @param  string   $type
      * @return self
      */
-    public function setContentType($type)
+    public function setContentType(string $type): self
     {
         $this->contentType = $type;
 
@@ -191,7 +191,7 @@ public function setContentType($type)
      * @return self
      * @throws Exception
      */
-    public function setStatusCode($code = 200)
+    public function setStatusCode(int $code = 200): self
     {
         if (!array_key_exists($code, $this->statusCodes)) {
             throw new Exception('Unknown HTTP status code');
@@ -209,7 +209,7 @@ public function setStatusCode($code = 200)
      *
      * @return int
      */
-    public function getSize()
+    public function getSize(): int
     {
         return $this->size;
     }
@@ -217,7 +217,8 @@ public function getSize()
     /**
      * Don't allow payload on response output
      */
-    public function disablePayload() {
+    public function disablePayload(): self
+    {
         $this->disablePayload = true;
         return $this;
     }
@@ -225,7 +226,8 @@ public function disablePayload() {
     /**
      * Allow payload on response output
      */
-    public function enablePayload() {
+    public function enablePayload(): self
+    {
         $this->disablePayload = false;
         return $this;
     }
@@ -239,7 +241,7 @@ public function enablePayload() {
      * @param string $value
      * @return self
      */
-    public function addHeader($key, $value)
+    public function addHeader(string $key, string $value): self
     {
         $this->headers[$key] = $value;
 
@@ -254,7 +256,7 @@ public function addHeader($key, $value)
      * @param string $key
      * @return self
      */
-    public function removeHeader($key)
+    public function removeHeader(string $key): self
     {
         if(isset($this->headers[$key])) {
             unset($this->headers[$key]);
@@ -270,7 +272,7 @@ public function removeHeader($key)
      *
      * @return array
      */
-    public function getHeaders()
+    public function getHeaders(): array
     {
         return $this->headers;
     }
@@ -290,9 +292,9 @@ public function getHeaders()
      * @param string $sameSite [optional]
      * @return self
      */
-    public function addCookie($name, $value = null, $expire = null, $path = null, $domain = null, $secure = null, $httponly = null, $sameSite = null)
+    public function addCookie(string $name, string $value = null, int $expire = null, string $path = null, string $domain = null, bool $secure = null, bool $httponly = null, string $sameSite = null): self
     {
-        $this->cookies[$name] = array(
+        $this->cookies[$name] = [
             'name'		=> $name,
             'value'		=> $value,
             'expire'	=> $expire,
@@ -301,7 +303,7 @@ public function addCookie($name, $value = null, $expire = null, $path = null, $d
             'secure' 	=> $secure,
             'httponly'	=> $httponly,
             'samesite'	=> $sameSite,
-        );
+        ];
 
         return $this;
     }
@@ -314,7 +316,7 @@ public function addCookie($name, $value = null, $expire = null, $path = null, $d
      * @param string $name
      * @return self
      */
-    public function removeCookie($name)
+    public function removeCookie(string $name): self
     {
         if(isset($this->headers[$name])) {
             unset($this->cookies[$name]);
@@ -330,7 +332,7 @@ public function removeCookie($name)
      *
      * @return array
      */
-    public function getCookies()
+    public function getCookies(): array
     {
         return $this->cookies;
     }
@@ -345,7 +347,7 @@ public function getCookies()
      *
      * @return self
      */
-    public function send($body = '', $exit = null)
+    public function send(string $body = '', int $exit = null): void
     {
         if(!$this->disablePayload) {
             $this->addHeader('X-Debug-Speed', microtime(true) - $this->startTime);
@@ -375,7 +377,7 @@ public function send($body = '', $exit = null)
      *
      * @return self
      */
-    protected function appendHeaders()
+    protected function appendHeaders(): self
     {
         // Send status code header
         http_response_code($this->statusCode);
@@ -400,7 +402,7 @@ protected function appendHeaders()
      *
      * @return self
      */
-    protected function appendCookies()
+    protected function appendCookies(): self
     {
         foreach ($this->cookies as $cookie) {
             
@@ -434,13 +436,13 @@ protected function appendCookies()
      * @see https://bugs.webkit.org/show_bug.cgi?id=47425
      *
      * @param string $url complete absolute URI for redirection as required by the internet standard RFC 2616 (HTTP 1.1)
-     * @param int $statusCode valid HTTP/1.1 status code
-     *
+     * @param int $statusCode valid HTTP status code
      * @param null $exit
+     * 
      * @throws Exception
      * @see http://tools.ietf.org/html/rfc2616
      */
-    public function redirect($url, $statusCode = 301, $exit = null)
+    public function redirect(string $url, int $statusCode = 301, int $exit = null): void
     {
         if (300 == $statusCode) {
             trigger_error('It seems webkit based browsers have problems redirecting link with 300 status codes!', E_USER_NOTICE);
@@ -462,7 +464,7 @@ public function redirect($url, $statusCode = 301, $exit = null)
      *
      * @param string $data
      */
-    public function text($data)
+    public function text(string $data): void
     {
         $this
             ->setContentType(Response::CONTENT_TYPE_TEXT)
@@ -480,7 +482,7 @@ public function text($data)
      *
      * @param array $data
      */
-    public function json(array $data)
+    public function json(array $data): void
     {
         $this
             ->setContentType(Response::CONTENT_TYPE_JSON)
@@ -499,7 +501,7 @@ public function json(array $data)
      * @param string $callback
      * @param array  $data
      */
-    public function jsonp($callback, array $data)
+    public function jsonp(string $callback, array $data): void
     {
         $this
             ->setContentType(Response::CONTENT_TYPE_JAVASCRIPT)
@@ -516,7 +518,7 @@ public function jsonp($callback, array $data)
      * @param string $callback
      * @param array  $data
      */
-    public function iframe($callback, array $data)
+    public function iframe(string $callback, array $data): void
     {
         $this
             ->send('<script type="text/javascript">window.parent.' . $callback . '(' . json_encode($data) . ');</script>');
@@ -530,7 +532,7 @@ public function iframe($callback, array $data)
      * The server has successfully fulfilled the request
      *  and that there is no additional content to send in the response payload body.
      */
-    public function noContent()
+    public function noContent(): void
     {
         $this
             ->setStatusCode(self::STATUS_CODE_NOCONTENT)
diff --git a/src/Route.php b/src/Route.php
index 67308231..40b1dc8e 100755
--- a/src/Route.php
+++ b/src/Route.php
@@ -55,7 +55,7 @@ class Route
      *
      * @var array
      */
-    protected $params = array();
+    protected $params = [];
 
     /**
      * Labels
@@ -64,7 +64,7 @@ class Route
      *
      * @var array
      */
-    protected $labels = array();
+    protected $labels = [];
 
     /**
      * @var int
@@ -133,13 +133,13 @@ public function action($action)
      */
     public function param($key, $default, $validator, $description = '', $optional = false)
     {
-        $this->params[$key] = array(
+        $this->params[$key] = [
             'default'       => $default,
             'validator'     => $validator,
             'description'   => $description,
             'optional'      => $optional,
             'value'         => null,
-        );
+        ];
 
         return $this;
     }
diff --git a/src/Validator/Multiple.php b/src/Validator/Multiple.php
index 94933adb..420e7cd5 100755
--- a/src/Validator/Multiple.php
+++ b/src/Validator/Multiple.php
@@ -27,7 +27,7 @@ class Multiple extends Validator
     /**
      * @var Validator[]
      */
-    protected $rules = array();
+    protected $rules = [];
 
     /**
      * Constructor
diff --git a/src/View.php b/src/View.php
index ccf4447d..20ca1dfd 100755
--- a/src/View.php
+++ b/src/View.php
@@ -280,17 +280,17 @@ public function render($minify = true)
             $html = str_replace($foundPre[0], array_map(function($el){ return '<pre>'.$el.'</pre>'; }, array_keys($foundPre[0])), $html);
 
             // your stuff
-            $search = array(
+            $search = [
                 '/\>[^\S ]+/s',  // strip whitespaces after tags, except space
                 '/[^\S ]+\</s',  // strip whitespaces before tags, except space
                 '/(\s)+/s'       // shorten multiple whitespace sequences
-            );
+            ];
 
-            $replace = array(
+            $replace = [
                 '>',
                 '<',
                 '\\1'
-            );
+            ];
 
             $html = preg_replace($search, $replace, $html);
 
diff --git a/tests/RequestTest.php b/tests/RequestTest.php
index 101bd09b..d1671b5b 100755
--- a/tests/RequestTest.php
+++ b/tests/RequestTest.php
@@ -49,16 +49,6 @@ public function testGetPayload()
         $this->assertEquals($this->request->getPayload('unknown', 'test'), 'test');
     }
 
-    public function testGetRequest()
-    {
-        // Mock
-        $_REQUEST['key'] = 'value';
-
-        // Assertions
-        $this->assertEquals($this->request->getRequest('key'), 'value');
-        $this->assertEquals($this->request->getRequest('unknown', 'test'), 'test');
-    }
-
     public function testGetServer()
     {
         // Mock
diff --git a/tests/ResponseTest.php b/tests/ResponseTest.php
index f9afbbd2..601ca3df 100755
--- a/tests/ResponseTest.php
+++ b/tests/ResponseTest.php
@@ -111,7 +111,7 @@ public function testJson()
     {
         ob_start(); //Start of build
 
-        @$this->response->json(array('key' => 'value'));
+        @$this->response->json(['key' => 'value']);
 
         $html = ob_get_contents();
         ob_end_clean(); //End of build
@@ -123,7 +123,7 @@ public function testJsonp()
     {
         ob_start(); //Start of build
 
-        @$this->response->jsonp('test', array('key' => 'value'));
+        @$this->response->jsonp('test', ['key' => 'value']);
 
         $html = ob_get_contents();
         ob_end_clean(); //End of build
@@ -135,7 +135,7 @@ public function testIframe()
     {
         ob_start(); //Start of build
 
-        @$this->response->iframe('test', array('key' => 'value'));
+        @$this->response->iframe('test', ['key' => 'value']);
 
         $html = ob_get_contents();
         ob_end_clean(); //End of build
diff --git a/tests/Validator/NumericTest.php b/tests/Validator/NumericTest.php
index 4f374182..6df6c0d6 100755
--- a/tests/Validator/NumericTest.php
+++ b/tests/Validator/NumericTest.php
@@ -42,6 +42,6 @@ public function testIsValid()
         $this->assertEquals($this->numeric->isValid(1337e0), true);
         $this->assertEquals($this->numeric->isValid(9.1), true);
         $this->assertEquals($this->numeric->isValid('not numeric'), false);
-        $this->assertEquals($this->numeric->isValid(array()), false);
+        $this->assertEquals($this->numeric->isValid([]), false);
     }
 }