diff --git a/flight/database/PdoWrapper.php b/flight/database/PdoWrapper.php
index ac87aff..7189cbd 100644
--- a/flight/database/PdoWrapper.php
+++ b/flight/database/PdoWrapper.php
@@ -13,7 +13,7 @@ class PdoWrapper extends PDO {
 	 * @param string $dsn - Ex: 'mysql:host=localhost;port=3306;dbname=testdb;charset=utf8mb4'
 	 * @param string $username - Ex: 'root'
 	 * @param string $password - Ex: 'password'
-	 * @param array $options - PDO options you can pass in
+	 * @param array<int,mixed> $options - PDO options you can pass in
 	 */
 	public function __construct(string $dsn, ?string $username = null, ?string $password = null, array $options = []) {
 		parent::__construct($dsn, $username, $password, $options);
@@ -31,7 +31,7 @@ class PdoWrapper extends PDO {
 	 * 	$db->runQuery("UPDATE table SET name = ? WHERE id = ?", [ $name, $id ]);
 	 *
 	 * @param string $sql 		- Ex: "SELECT * FROM table WHERE something = ?"
-	 * @param array $params 	- Ex: [ $something ]
+	 * @param array<int|string,mixed> $params 	- Ex: [ $something ]
 	 * @return PDOStatement
 	 */
 	public function runQuery(string $sql, array $params = []): PDOStatement {
@@ -49,12 +49,12 @@ class PdoWrapper extends PDO {
 	 * Ex: $id = $db->fetchField("SELECT id FROM table WHERE something = ?", [ $something ]);
 	 * 
 	 * @param string $sql   - Ex: "SELECT id FROM table WHERE something = ?"
-	 * @param array $params - Ex: [ $something ]
+	 * @param array<int|string,mixed> $params - Ex: [ $something ]
 	 * @return mixed
 	 */
 	public function fetchField(string $sql, array $params = []) {
 		$data = $this->fetchRow($sql, $params);
-		return is_array($data) ? reset($data) : null;
+		return reset($data);
 	}
 
 	/**
@@ -63,13 +63,13 @@ class PdoWrapper extends PDO {
 	 * Ex: $row = $db->fetchRow("SELECT * FROM table WHERE something = ?", [ $something ]);
 	 *
 	 * @param string $sql   - Ex: "SELECT * FROM table WHERE something = ?"
-	 * @param array $params - Ex: [ $something ]
-	 * @return array
+	 * @param array<int|string,mixed> $params - Ex: [ $something ]
+	 * @return array<string,mixed>
 	 */
 	public function fetchRow(string $sql, array $params = []): array {
 		$sql .= stripos($sql, 'LIMIT') === false ? ' LIMIT 1' : '';
 		$result = $this->fetchAll($sql, $params);
-		return is_array($result) && count($result) ? $result[0] : [];
+		return count($result) > 0 ? $result[0] : [];
 	}
 
 	/**
@@ -81,8 +81,8 @@ class PdoWrapper extends PDO {
 	 * }
 	 *
 	 * @param string $sql   - Ex: "SELECT * FROM table WHERE something = ?"
-	 * @param array $params	- Ex: [ $something ]
-	 * @return array<int,array>
+	 * @param array<int|string,mixed> $params	- Ex: [ $something ]
+	 * @return array<int,array<string,mixed>>
 	 */
 	public function fetchAll(string $sql, array $params = []): array {
 		$processed_sql_data = $this->processInStatementSql($sql, $params);
@@ -101,8 +101,8 @@ class PdoWrapper extends PDO {
 	 * 		Converts this to "SELECT * FROM table WHERE id = ? AND something IN(?,?,?)"
 	 *
 	 * @param string $sql	 the sql statement
-	 * @param array  $params the params for the sql statement
-	 * @return array{sql:string,params:array}
+	 * @param array<int|string,mixed>  $params the params for the sql statement
+	 * @return array<string,string|array<int|string,mixed>>
 	 */
 	protected function processInStatementSql(string $sql, array $params = []): array {
 
diff --git a/flight/net/Request.php b/flight/net/Request.php
index 8a40a50..88be447 100644
--- a/flight/net/Request.php
+++ b/flight/net/Request.php
@@ -145,7 +145,6 @@ final class Request
      * Constructor.
      *
      * @param array<string, mixed> $config Request configuration
-     * @param string
      */
     public function __construct($config = array())
     {
@@ -210,7 +209,7 @@ final class Request
         // Check for JSON input
         if (0 === strpos($this->type, 'application/json')) {
             $body = $this->getBody();
-            if ('' !== $body && null !== $body) {
+            if ('' !== $body) {
                 $data = json_decode($body, true);
                 if (is_array($data)) {
                     $this->data->setData($data);
@@ -226,7 +225,7 @@ final class Request
      *
      * @return string Raw HTTP request body
      */
-    public function getBody(): ?string
+    public function getBody(): string
     {
         $body = $this->body;
 
diff --git a/flight/net/Route.php b/flight/net/Route.php
index fbfc20b..b3758c3 100644
--- a/flight/net/Route.php
+++ b/flight/net/Route.php
@@ -52,6 +52,11 @@ final class Route
      */
     public bool $pass = false;
 
+	/**
+	 * @var string The alias is a way to identify the route using a simple name ex: 'login' instead of /admin/login
+	 */
+	public string $alias = '';
+
     /**
      * Constructor.
      *
@@ -60,12 +65,13 @@ final class Route
      * @param array<int, string>  $methods  HTTP methods
      * @param bool   $pass     Pass self in callback parameters
      */
-    public function __construct(string $pattern, $callback, array $methods, bool $pass)
+    public function __construct(string $pattern, $callback, array $methods, bool $pass, string $alias = '')
     {
         $this->pattern = $pattern;
         $this->callback = $callback;
         $this->methods = $methods;
         $this->pass = $pass;
+		$this->alias = $alias;
     }
 
     /**
@@ -153,4 +159,30 @@ final class Route
     {
         return \count(array_intersect([$method, '*'], $this->methods)) > 0;
     }
+
+	/**
+	 * Checks if an alias matches the route alias.
+	 *
+	 * @param string $alias [description]
+	 * @return boolean
+	 */
+	public function matchAlias(string $alias): bool
+	{
+		return $this->alias === $alias;
+	}
+
+	/**
+	 * Hydrates the route url with the given parameters
+	 *
+	 * @param array<string,mixed> $params the parameters to pass to the route
+	 * @return string
+	 */
+	public function hydrateUrl(array $params = []): string {
+		$url = preg_replace_callback("/(?:@([a-zA-Z]+)(?:\:([^\/]+))?)?/i", function($match) use ($params) {
+			if(isset($match[1]) && isset($params[$match[1]])) {
+				return $params[$match[1]];
+			}
+		}, $this->pattern);
+		return $url;
+	}
 }
diff --git a/flight/net/Router.php b/flight/net/Router.php
index 078948c..f54d898 100644
--- a/flight/net/Router.php
+++ b/flight/net/Router.php
@@ -10,6 +10,9 @@ declare(strict_types=1);
 
 namespace flight\net;
 
+use Exception;
+use flight\net\Route;
+
 /**
  * The Router class is responsible for routing an HTTP request to
  * an assigned callback function. The Router tries to match the
@@ -63,9 +66,10 @@ class Router
      * @param string   $pattern    URL pattern to match
      * @param callable $callback   Callback function
      * @param bool     $pass_route Pass the matching route object to the callback
+	 * @param string   $route_alias Alias for the route
 	 * @return void
      */
-    public function map(string $pattern, callable $callback, bool $pass_route = false): void
+    public function map(string $pattern, callable $callback, bool $pass_route = false, string $route_alias = ''): void
     {
         $url = trim($pattern);
         $methods = ['*'];
@@ -76,7 +80,7 @@ class Router
             $methods = explode('|', $method);
         }
 
-        $this->routes[] = new Route($this->group_prefix.$url, $callback, $methods, $pass_route);
+        $this->routes[] = new Route($this->group_prefix.$url, $callback, $methods, $pass_route, $route_alias);
     }
 
 	/**
@@ -173,6 +177,42 @@ class Router
         return false;
     }
 
+	/**
+	 * Gets the URL for a given route alias
+	 *
+	 * @param string $alias  the alias to match
+	 * @param array<string,mixed>  $params the parameters to pass to the route
+	 * @return string
+	 */
+	public function getUrlByAlias(string $alias, array $params = []): string {
+		while ($route = $this->current()) {
+            if ($route->matchAlias($alias)) {
+                return $route->hydrateUrl($params);
+            }
+            $this->next();
+        }
+		
+		throw new Exception('No route found with alias: ' . $alias);
+	}
+
+	/**
+	 * Rewinds the current route index.
+	 */
+	public function rewind(): void
+	{
+		$this->index = 0;
+	}
+
+	/**
+	 * Checks if more routes can be iterated.
+	 *
+	 * @return bool More routes
+	 */
+	public function valid(): bool
+	{
+		return isset($this->routes[$this->index]);
+	}
+
     /**
      * Gets the current route.
      *
diff --git a/tests/RouterTest.php b/tests/RouterTest.php
index 5cc222d..a970990 100644
--- a/tests/RouterTest.php
+++ b/tests/RouterTest.php
@@ -461,4 +461,54 @@ class RouterTest extends PHPUnit\Framework\TestCase
 		$this->request->method = 'POST';
         $this->check('123abc');
     }
+
+	public function testRewindAndValid() {
+		$this->router->map('/path1', [$this, 'ok']);
+		$this->router->map('/path2', [$this, 'ok']);
+		$this->router->map('/path3', [$this, 'ok']);
+		
+		$this->router->next();
+		$this->router->next();
+		$result = $this->router->valid();
+		$this->assertTrue($result);
+		$this->router->next();
+		$result = $this->router->valid();
+		$this->assertFalse($result);
+
+		$this->router->rewind();
+		$result = $this->router->valid();
+		$this->assertTrue($result);
+
+	}
+
+	public function testGetUrlByAliasNoMatches() {
+		$this->router->map('/path1', [$this, 'ok'], false, 'path1');
+		$this->expectException(\Exception::class);
+		$this->expectExceptionMessage('No route found with alias: path2');
+		$this->router->getUrlByAlias('path2');
+	}
+
+	public function testGetUrlByAliasNoParams() {
+		$this->router->map('/path1', [$this, 'ok'], false, 'path1');
+		$url = $this->router->getUrlByAlias('path1');
+		$this->assertEquals('/path1', $url);
+	}
+
+	public function testGetUrlByAliasSimpleParams() {
+		$this->router->map('/path1/@id', [$this, 'ok'], false, 'path1');
+		$url = $this->router->getUrlByAlias('path1', ['id' => 123]);
+		$this->assertEquals('/path1/123', $url);
+	}
+
+	public function testGetUrlByAliasMultipleParams() {
+		$this->router->map('/path1/@id/@name', [$this, 'ok'], false, 'path1');
+		$url = $this->router->getUrlByAlias('path1', ['id' => 123, 'name' => 'abc']);
+		$this->assertEquals('/path1/123/abc', $url);
+	}
+
+	public function testGetUrlByAliasMultipleComplexParams() {
+		$this->router->map('/path1/@id:[0-9]+/@name:[a-zA-Z0-9]{5}', [$this, 'ok'], false, 'path1');
+		$url = $this->router->getUrlByAlias('path1', ['id' => '123', 'name' => 'abc']);
+		$this->assertEquals('/path1/123/abc', $url);
+	}
 }