Codeigniter resizing EXIF standard images

Code:
$this->load->library('upload');

$this->upload->initialize(array(

    'upload_path' => './uploads',

    'allowed_types' => 'gif|jpg|jpeg|png',

    'max_size' => '60000',

    'encrypt_name' => TRUE,

    'max_width' => '4300',

    'max_height' => '3000',

    'remove_spaces' => TRUE

));



if (isset($_FILES['files']['name']))

    {

    if ($this->upload->do_multi_upload("files"))

        {

        $finfo = $this->upload->get_multi_upload_data();

        foreach($finfo as $images)

            {

            $filename = $images['file_name'];

            $img_config_1['image_library'] = "gd2";

            $img_config_1['source_image'] = "uploads/" . $filename;

            $img_config_1['create_thumb'] = FALSE;

            $img_config_1['maintain_ratio'] = TRUE;

            $img_config_1['quality'] = "50%";

            $img_config_1['width'] = "640";

            $img_config_1['height'] = "480";

            // THUMBS

            $img_config_0['image_library'] = "gd2";

            $img_config_0['source_image'] = "uploads/" . $filename;

            $img_config_0['new_image'] = "uploads/thumbs";

            $img_config_0['maintain_ratio'] = TRUE;

            $img_config_0['create_thumb'] = TRUE;

            $img_config_0['thumb_marker'] = false;

            $img_config_0['quality'] = "100%";

            $img_config_0['width'] = "130";

            $img_config_0['height'] = "97";

            for ($i = 0; $i < 2; $i++)

                {

                $this->image_lib->clear();

                eval("\$this->image_lib->initialize(\$img_config_" . $i . ");");

                $this->image_lib->resize();

                }



            $this->image_lib->clear();

            $img_config_2['image_library'] = "gd2";

            $img_config_2['source_image'] = "uploads/thumbs/" . $filename;

            $img_config_2['maintain_ratio'] = FALSE;

            $img_config_2['quality'] = "60%";

            $img_config_2['width'] = "130";

            $img_config_2['height'] = "97";

            $img_config_2['x_axis'] = 0;

            $img_config_2['y_axis'] = 0;

            $this->image_lib->initialize($img_config_2);

            $this->image_lib->crop();

            $this->image_lib->clear();



            // Watermark



            $water1['image_library'] = "gd2";

            $water1['source_image'] = "uploads/" . $filename;

            $water1['wm_type'] = 'overlay';

            $water1['quality'] = '100%';

            $water1['wm_overlay_path'] = 'sliki/watermark.png';

            $water1['wm_vrt_alignment'] = 'bottom';

            $water1['wm_hor_alignment'] = 'right';

            $water1['wm_hor_offset'] = 'right';

            $this->image_lib->initialize($water1);

            $this->image_lib->watermark();

            $this->image_lib->clear();