public function getFile($key)
    {
        if (isset($this->files[$key])) {
            return $this->files[$key];
        }

        return null;
    }
public function getFile($key)
    {
        if (isset($this->files[$key])) {
            return $this->files[$key];
        }

        return null;
    }
public function getFile ( $ key ) { if ( isset ( $ this -> files [ $ key ] ) ) { return $ this -> files [ $ key ] ; } return null ; }
Gets a uploaded file reference, otherwise returns null

@param string $key The key to look for
@return array the file that was uploaded
Gets a uploaded file reference otherwise returns null