diff --git a/src/Pecee/Http/Input/Input.php b/src/Pecee/Http/Input/Input.php
index b094f63..810bb6c 100644
--- a/src/Pecee/Http/Input/Input.php
+++ b/src/Pecee/Http/Input/Input.php
@@ -25,48 +25,123 @@ class Input
 	 */
 	protected $request;
 
+	protected $invalidContentType = false;
+
+	protected $invalidContentTypes = [
+		'text/plain',
+		'application/x-www-form-urlencoded',
+	];
+
 	public function __construct(Request $request)
 	{
 		$this->request = $request;
-		$this->setGet();
-		$this->setPost();
-		$this->setFile();
-	}
 
-	/**
-	 * Get all get/post items
-	 * @param array|null $filter Only take items in filter
-	 * @return array
-	 */
-	public function all(array $filter = null)
-	{
-		$output = $_POST;
+		$this->post = new InputCollection();
+		$this->get = new InputCollection();
+		$this->file = new InputCollection();
 
-		if ($this->request->getMethod() === 'post') {
+		if ($request->getMethod() !== 'get') {
 
-			$contents = file_get_contents('php://input');
+			$requestContentType = $request->getHeader('http-content-type');
 
-			if (stripos(trim($contents), '{') === 0) {
-				$output = json_decode($contents, true);
-				if ($output === false) {
-					$output = array();
+			$max = count($this->invalidContentTypes) - 1;
+
+			for ($i = $max; $i >= 0; $i--) {
+
+				$contentType = $this->invalidContentType[$i];
+
+				if (stripos($requestContentType, $contentType) === 0) {
+					$this->invalidContentType = true;
+					break;
 				}
 			}
 		}
 
-		$output = array_merge($_GET, $output);
+		if ($this->invalidContentType === false) {
+			$this->parseInputs();
+		}
+	}
 
-		if ($filter !== null) {
-			$output = array_filter($output, function ($key) use ($filter) {
-				if (in_array($key, $filter)) {
-					return true;
-				}
+	protected function parseInputs()
+	{
+		/* Parse get requests */
+
+		if (count($_GET) > 0) {
+
+			$max = count($_GET) - 1;
+			$keys = array_keys($_GET);
+
+			for ($i = $max; $i >= 0; $i--) {
+
+				$key = $keys[$i];
+				$value = $_GET[$key];
+
+				$this->get->{$key} = new InputItem($key, $value);
+			}
 
-				return false;
-			}, ARRAY_FILTER_USE_KEY);
 		}
 
-		return $output;
+		/* Parse post requests */
+
+		$postVars = $_POST;
+
+		if (in_array($this->request->getMethod(), ['put', 'patch', 'delete']) === true) {
+			parse_str(file_get_contents('php://input'), $postVars);
+		}
+
+		if (count($postVars) > 0) {
+
+			$max = count($postVars) - 1;
+			$keys = array_keys($postVars);
+
+			for ($i = $max; $i >= 0; $i--) {
+
+				$key = $keys[$i];
+				$value = $postVars[$key];
+
+				$this->post->{strtolower($key)} = new InputItem($key, $value);
+			}
+
+		}
+
+		/* Parse get requests */
+
+		if (count($_FILES) > 0) {
+
+			$max = count($_FILES) - 1;
+			$keys = array_keys($_FILES);
+
+			for ($i = $max; $i >= 0; $i--) {
+
+				$key = $keys[$i];
+				$value = $_FILES[$key];
+
+				// Handle array input
+				if (is_array($value['name']) === false) {
+					$values['index'] = $key;
+					$this->file->{strtolower($key)} = InputFile::createFromArray($values);
+					continue;
+				}
+
+				$output = new InputCollection();
+
+				foreach ($value['name'] as $k => $val) {
+
+					$output->{$k} = InputFile::createFromArray([
+						'index'    => $key,
+						'error'    => $value['error'][$k],
+						'tmp_name' => $value['tmp_name'][$k],
+						'type'     => $value['type'][$k],
+						'size'     => $value['size'][$k],
+						'name'     => $value['name'][$k],
+					]);
+
+				}
+
+				$this->file->{strtolower($key)} = $output;
+			}
+		}
+
 	}
 
 	public function getObject($index, $default = null)
@@ -98,9 +173,10 @@ class Input
 
 	/**
 	 * Get input element value matching index
+	 *
 	 * @param string $index
 	 * @param string|null $default
-	 * @return string|null
+	 * @return InputItem|string
 	 */
 	public function get($index, $default = null)
 	{
@@ -112,7 +188,7 @@ class Input
 				return $item;
 			}
 
-			return (trim($item->getValue()) === '') ? $default : $item->getValue();
+			return (!is_array($item->getValue()) && trim($item->getValue()) === '') ? $default : $item->getValue();
 		}
 
 		return $default;
@@ -123,89 +199,44 @@ class Input
 		return ($this->getObject($index) !== null);
 	}
 
-	public function setGet()
+	/**
+	 * Get all get/post items
+	 * @param array|null $filter Only take items in filter
+	 * @return array
+	 */
+	public function all(array $filter = null)
 	{
-		$this->get = new InputCollection();
+		if ($this->invalidContentType === true) {
+			return [];
+		}
 
-		if (count($_GET) > 0) {
-			foreach ($_GET as $key => $get) {
-				if (is_array($get) === false) {
-					$this->get->{$key} = new InputItem($key, $get);
-					continue;
+		$output = $_POST;
+
+		if ($this->request->getMethod() === 'post') {
+
+			$contents = file_get_contents('php://input');
+
+			if (stripos(trim($contents), '{') === 0) {
+				$output = json_decode($contents, true);
+				if ($output === false) {
+					$output = [];
 				}
-
-				$output = new InputCollection();
-
-				foreach ($get as $k => $g) {
-					$output->{$k} = new InputItem($k, $g);
-				}
-
-				$this->get->{$key} = $output;
 			}
 		}
-	}
 
-	public function setPost()
-	{
-		$this->post = new InputCollection();
+		$output = array_merge($_GET, $output);
 
-		$postVars = $_POST;
+		if ($filter !== null) {
+			$output = array_filter($output, function ($key) use ($filter) {
+				if (in_array($key, $filter)) {
+					return true;
+				}
 
-		if (in_array($this->request->getMethod(), ['put', 'patch', 'delete']) === true) {
-			parse_str(file_get_contents('php://input'), $postVars);
+				return false;
+			}, ARRAY_FILTER_USE_KEY);
 		}
 
-		if (count($postVars) > 0) {
-
-			foreach ($postVars as $key => $post) {
-				if (is_array($post) === false) {
-					$this->post->{strtolower($key)} = new InputItem($key, $post);
-					continue;
-				}
-
-				$output = new InputCollection();
-
-				foreach ($post as $k => $p) {
-					$output->{$k} = new InputItem($k, $p);
-				}
-
-				$this->post->{strtolower($key)} = $output;
-			}
-		}
-	}
-
-	public function setFile()
-	{
-		$this->file = new InputCollection();
-
-		if (count($_FILES) > 0) {
-			foreach ($_FILES as $key => $values) {
-
-				// Handle array input
-				if (is_array($values['name']) === false && trim($values['error']) !== '4') {
-					$values['index'] = $key;
-					$this->file->{strtolower($key)} = InputFile::createFromArray($values);
-					continue;
-				}
-
-				$output = new InputCollection();
-
-				foreach ($values['name'] as $k => $val) {
-					if (trim($val['error'][$k]) !== '4') {
-						$output->{$k} = InputFile::createFromArray([
-							'index' => $k,
-							'error' => $val['error'][$k],
-							'tmp_name' => $val['tmp_name'][$k],
-							'type' => $val['type'][$k],
-							'size' => $val['size'][$k],
-							'name' => $val['name'][$k]
-						]);
-					}
-				}
-
-				$this->file->{strtolower($key)} = $output;
-			}
-		}
+		return $output;
 	}
 
 }
\ No newline at end of file
diff --git a/src/Pecee/Http/Input/InputCollection.php b/src/Pecee/Http/Input/InputCollection.php
index 1e2f480..b4227c2 100644
--- a/src/Pecee/Http/Input/InputCollection.php
+++ b/src/Pecee/Http/Input/InputCollection.php
@@ -3,7 +3,7 @@ namespace Pecee\Http\Input;
 
 class InputCollection implements \IteratorAggregate
 {
-	protected $data = array();
+	protected $data = [];
 
 	/**
 	 * Search for input element matching index.
@@ -41,17 +41,13 @@ class InputCollection implements \IteratorAggregate
 	{
 		$input = $this->findFirst($index);
 
-		if($input !== null && trim($input->getValue()) !== '') {
+		if ($input !== null && trim($input->getValue()) !== '') {
 			return $input->getValue();
 		}
 
 		return $default;
 	}
 
-	public function getValue($index, $default = null) {
-
-	}
-
 	/**
 	 * @param string $index
 	 * @throws \InvalidArgumentException
@@ -63,6 +59,7 @@ class InputCollection implements \IteratorAggregate
 		// Ensure that item are always available
 		if ($item === null) {
 			$this->data[$index] = new InputItem($index, null);
+
 			return $this->data[$index];
 		}
 
diff --git a/src/Pecee/Http/Input/InputFile.php b/src/Pecee/Http/Input/InputFile.php
index a7668c5..fa6d6b8 100644
--- a/src/Pecee/Http/Input/InputFile.php
+++ b/src/Pecee/Http/Input/InputFile.php
@@ -104,6 +104,15 @@ class InputFile extends InputItem
 		return $this;
 	}
 
+	public function getValue()
+	{
+		return $this->getTmpName();
+	}
+
+	public function hasError() {
+		return ($this->getError() !== 0);
+	}
+
 	/**
 	 * Create from array
 	 * @param array $values
@@ -116,21 +125,23 @@ class InputFile extends InputItem
 		}
 
 		$input = new static($values['index']);
-		$input->setTmpName((isset($values['error']) ? $values['error'] : null));
+		$input->setError((isset($values['error']) ? $values['error'] : null));
 		$input->setName((isset($values['name']) ? $values['name'] : null));
 		$input->setSize((isset($values['size']) ? $values['size'] : null));
 		$input->setType((isset($values['type']) ? $values['type'] : null));
-		$input->setError((isset($values['tmp_name']) ? $values['tmp_name'] : null));
+		$input->setTmpName((isset($values['tmp_name']) ? $values['tmp_name'] : null));
 
 		return $input;
 	}
 
-	/**
-	 * @return string
-	 */
-	public function getValue()
-	{
-		return $this->tmpName;
+	public function toArray() {
+		return [
+			'tmp_name' => $this->tmpName,
+			'type' => $this->type,
+			'size' => $this->size,
+			'name' => $this->name,
+			'error' => $this->error,
+		];
 	}
 
 }
\ No newline at end of file
diff --git a/src/Pecee/Http/Middleware/BaseCsrfVerifier.php b/src/Pecee/Http/Middleware/BaseCsrfVerifier.php
index ed96b69..14c6732 100644
--- a/src/Pecee/Http/Middleware/BaseCsrfVerifier.php
+++ b/src/Pecee/Http/Middleware/BaseCsrfVerifier.php
@@ -2,7 +2,7 @@
 namespace Pecee\Http\Middleware;
 
 use Pecee\CsrfToken;
-use Pecee\Exceptions\TokenMismatchException;
+use Pecee\Http\Middleware\Exceptions\TokenMismatchException;
 use Pecee\Http\Request;
 use Pecee\SimpleRouter\Route\ILoadableRoute;
 
diff --git a/src/Pecee/Http/Middleware/Exceptions/TokenMismatchException.php b/src/Pecee/Http/Middleware/Exceptions/TokenMismatchException.php
index ceb12a6..8f21c9e 100644
--- a/src/Pecee/Http/Middleware/Exceptions/TokenMismatchException.php
+++ b/src/Pecee/Http/Middleware/Exceptions/TokenMismatchException.php
@@ -1,5 +1,5 @@
 <?php
-namespace Pecee\Exceptions;
+namespace Pecee\Http\Middleware\Exceptions;
 
 class TokenMismatchException extends \Exception
 {
diff --git a/src/Pecee/Http/Request.php b/src/Pecee/Http/Request.php
index a0b4603..0f14387 100644
--- a/src/Pecee/Http/Request.php
+++ b/src/Pecee/Http/Request.php
@@ -5,7 +5,7 @@ use Pecee\Http\Input\Input;
 
 class Request
 {
-	protected $data = array();
+	protected $data = [];
 	protected $headers;
 	protected $host;
 	protected $uri;
@@ -15,20 +15,21 @@ class Request
 	public function __construct()
 	{
 		$this->parseHeaders();
-		$this->input = new Input($this);
 		$this->host = $this->getHeader('http-host');;
 		$this->uri = $this->getHeader('request-uri');
-		$this->method = strtolower($this->input->post->findFirst('_method', $this->getHeader('request-method')));
+		$this->method = strtolower($this->getHeader('request-method'));
+		$this->input = new Input($this);
 	}
 
 	protected function parseHeaders()
 	{
-		$this->headers = array();
+		$this->headers = [];
 
 		foreach ($_SERVER as $name => $value) {
 			$this->headers[strtolower($name)] = $value;
 			$this->headers[strtolower(str_replace('_', '-', $name))] = $value;
 		}
+
 	}
 
 	public function isSecure()
@@ -136,7 +137,24 @@ class Request
 	 */
 	public function getHeader($name, $defaultValue = null)
 	{
-		return isset($this->headers[strtolower($name)]) ? $this->headers[strtolower($name)] : $defaultValue;
+		if (isset($this->headers[strtolower($name)])) {
+			return $this->headers[strtolower($name)];
+		}
+
+		$max = count($_SERVER) - 1;
+		$keys = array_keys($_SERVER);
+
+		for ($i = $max; $i >= 0; $i--) {
+
+			$key = $keys[$i];
+			$name = $_SERVER[$key];
+
+			if ($key === $name) {
+				return $name;
+			}
+		}
+
+		return $defaultValue;
 	}
 
 	/**
diff --git a/src/Pecee/Http/Response.php b/src/Pecee/Http/Response.php
index b50918e..3fe16bb 100644
--- a/src/Pecee/Http/Response.php
+++ b/src/Pecee/Http/Response.php
@@ -66,13 +66,12 @@ class Response
 			'Etag: ' . $eTag
 		]);
 
-		if (isset($_SERVER['HTTP_IF_MODIFIED_SINCE']) && strtotime($_SERVER['HTTP_IF_MODIFIED_SINCE']) === $lastModified ||
-			isset($_SERVER['HTTP_IF_NONE_MATCH']) && $_SERVER['HTTP_IF_NONE_MATCH'] === $eTag
-		) {
+		$httpModified = $this->request->getHeader('http-if-modified-since');
+		$httpIfNoneMatch = $this->request->getHeader('http-if-none-match');
 
-			$this->headers([
-				'HTTP/1.1 304 Not Modified'
-			]);
+		if ($httpModified !== null && strtotime($httpModified) == $lastModified || $httpIfNoneMatch !== null && $httpIfNoneMatch === $eTag) {
+
+			$this->header('HTTP/1.1 304 Not Modified');
 
 			exit();
 		}
@@ -86,7 +85,7 @@ class Response
 	 */
 	public function json(array $value)
 	{
-		$this->header('Content-type: application/json');
+		$this->header('Content-Type: application/json');
 		echo json_encode($value);
 		die();
 	}
@@ -109,8 +108,9 @@ class Response
 	 */
 	public function headers(array $headers)
 	{
-		foreach ($headers as $header) {
-			header($header);
+		$max = count($headers);
+		for($i = 0; $i < $max; $i++) {
+			$this->header($headers[$i]);
 		}
 		return $this;
 	}
diff --git a/src/Pecee/SimpleRouter/Route/LoadableRoute.php b/src/Pecee/SimpleRouter/Route/LoadableRoute.php
index 4d21b52..3971cf9 100644
--- a/src/Pecee/SimpleRouter/Route/LoadableRoute.php
+++ b/src/Pecee/SimpleRouter/Route/LoadableRoute.php
@@ -22,7 +22,12 @@ abstract class LoadableRoute extends Route implements ILoadableRoute
 	public function loadMiddleware(Request $request, ILoadableRoute &$route)
 	{
 		if (count($this->getMiddlewares()) > 0) {
-			foreach ($this->getMiddlewares() as $middleware) {
+
+			$max = count($this->getMiddlewares());
+
+			for ($i = 0; $i < $max; $i++) {
+
+				$middleware = $this->getMiddlewares()[$i];
 
 				$middleware = $this->loadClass($middleware);
 				if (!($middleware instanceof IMiddleware)) {
@@ -46,9 +51,13 @@ abstract class LoadableRoute extends Route implements ILoadableRoute
 		$regex = sprintf(static::PARAMETERS_REGEX_MATCH, $this->paramModifiers[0], $this->paramOptionalSymbol, $this->paramModifiers[1]);
 
 		if (preg_match_all('/' . $regex . '/is', $this->url, $matches)) {
-			foreach ($matches[1] as $key) {
-				$this->parameters[$key] = null;
+
+			$max = count($matches[1]);
+
+			for($i = 0; $i < $max; $i++) {
+				$this->parameters[$matches[1][$i]] = null;
 			}
+
 		}
 
 		return $this;
@@ -92,7 +101,14 @@ abstract class LoadableRoute extends Route implements ILoadableRoute
 		$param2 = $this->paramModifiers[0] . '%s' . $this->paramOptionalSymbol . $this->paramModifiers[1];
 
 		/* Let's parse the values of any {} parameter in the url */
-		foreach ($params as $param => $value) {
+
+		$max = count($params);
+		$keys = array_keys($params);
+
+		for ($i = 0; $i < $max; $i++) {
+			$param = $keys[$i];
+			$value = $params[$param];
+
 			$value = (isset($parameters[$param])) ? $parameters[$param] : $value;
 
 			if (stripos($url, $param1) !== false || stripos($url, $param) !== false) {
diff --git a/src/Pecee/SimpleRouter/Route/Route.php b/src/Pecee/SimpleRouter/Route/Route.php
index 0b9ac87..36d5973 100644
--- a/src/Pecee/SimpleRouter/Route/Route.php
+++ b/src/Pecee/SimpleRouter/Route/Route.php
@@ -129,7 +129,12 @@ abstract class Route implements IRoute
 
 			$parameters = [];
 
-			foreach ($parameterNames as $name) {
+			$max = count($parameterNames);
+
+			for ($i = 0; $i < $max; $i++) {
+
+				$name = $parameterNames[$i];
+
 				$parameterValue = isset($parameterValues[$name['name']]) ? $parameterValues[$name['name']] : null;
 
 				if ($name['required'] && $parameterValue === null) {
diff --git a/src/Pecee/SimpleRouter/Route/RouteResource.php b/src/Pecee/SimpleRouter/Route/RouteResource.php
index 9a0853e..f395a6e 100644
--- a/src/Pecee/SimpleRouter/Route/RouteResource.php
+++ b/src/Pecee/SimpleRouter/Route/RouteResource.php
@@ -107,7 +107,7 @@ class RouteResource extends LoadableRoute implements IControllerRoute
 			$action = isset($parameters['action']) ? $parameters['action'] : null;
 			unset($parameters['action']);
 
-			$method = request()->getMethod();
+			$method = $request->getMethod();
 
 			// Delete
 			if (isset($parameters['id']) && $method === static::REQUEST_TYPE_DELETE) {
diff --git a/src/Pecee/SimpleRouter/Router.php b/src/Pecee/SimpleRouter/Router.php
index 8b53d6d..a5c867c 100644
--- a/src/Pecee/SimpleRouter/Router.php
+++ b/src/Pecee/SimpleRouter/Router.php
@@ -208,8 +208,14 @@ class Router
 
 			/* Initialize boot-managers */
 			if (count($this->bootManagers) > 0) {
+
+				$max = count($this->bootManagers) - 1;
+
 				/* @var $manager IRouterBootManager */
-				foreach ($this->bootManagers as $manager) {
+				for ($i = 0; $i < $max; $i++) {
+
+					$manager = $this->bootManagers[$i];
+
 					$this->request = $manager->boot($this->request);
 
 					if (!($this->request instanceof Request)) {
@@ -232,8 +238,12 @@ class Router
 				$this->originalUrl = $this->request->getUri();
 			}
 
+			$max = count($this->processedRoutes);
+
 			/* @var $route IRoute */
-			foreach ($this->processedRoutes as $route) {
+			for ($i = 0; $i < $max; $i++) {
+
+				$route = $this->processedRoutes[$i];
 
 				/* If the route matches */
 				if ($route->matchRoute($this->request)) {
@@ -279,8 +289,12 @@ class Router
 
 	protected function handleException(\Exception $e)
 	{
+		$max = count($this->exceptionHandlers);
+
 		/* @var $handler IExceptionHandler */
-		foreach ($this->exceptionHandlers as $handler) {
+		for ($i = 0; $i < $max; $i++) {
+
+			$handler = $this->exceptionHandlers[$i];
 
 			$handler = new $handler();
 
@@ -327,8 +341,12 @@ class Router
 	 */
 	public function findRoute($name)
 	{
+		$max = count($this->processedRoutes);
+
 		/* @var $route ILoadableRoute */
-		foreach ($this->processedRoutes as $route) {
+		for ($i = 0; $i < $max; $i++) {
+
+			$route = $this->processedRoutes[$i];
 
 			/* Check if the name matches with a name on the route. Should match either router alias or controller alias. */
 			if ($route->hasName($name)) {
@@ -421,8 +439,12 @@ class Router
 
 			/* Loop through all the routes to see if we can find a match */
 
+			$max = count($this->processedRoutes);
+
 			/* @var $route ILoadableRoute */
-			foreach ($this->processedRoutes as $route) {
+			for ($i = 0; $i < $max; $i++) {
+
+				$route = $this->processedRoutes[$i];
 
 				/* Check if the route contains the name/alias */
 				if ($route->hasName($controller)) {