added file for request

src/Http/Request.php

@@ -8,6 +8,11 @@ class Request
    */
   private array $query = [];
 
+  /**
+   * Holds the files of the request
+   */
+  private array $files = [];
+
   /**
    * The method of the request.
    */
@@ -47,6 +52,10 @@ public function __construct()
      */
     $this->query = $query;
 
+    foreach ((array) $_FILES as $k => $v) {
+      $this->files[$k] = $v;
+    }
+
     /**
      * Sets the request URI
      */
@@ -105,7 +114,7 @@ public function header(?string $headerKey = null) {
    * @param string $key The query name.
    * @return string|array The query value or array of all queries.
    */
-  public function query(?string $key = null) : array
+  public function query(?string $key = null)
   {
     if(empty($key)){
       return $this->query;
@@ -114,6 +123,21 @@ public function query(?string $key = null) : array
     return $this->query[$key] ?? null;
   }
 
+  /**
+   * Returns the request files.
+   *
+   * @param string $key The file name.
+   * @return string|array The file or array of all files.
+   */
+  public function file(?string $key = null)
+  {
+    if(empty($key)){
+      return $this->files;
+    }
+
+    return $this->files[$key] ?? null;
+  }
+
   /**
    * Set the local value by key of the request.
    *