Avatar automatic resize when upload

.useravatar img{
    width: 80px;
    height: auto;
}

        $avatar_max_width = 80;
        $avatar_max_height = 80;

                $forum_page['frm_info']['avatar_size'] .= '<li><span>Images will be resized automaticly, if they\'re bigger than '.$avatar_max_width.'x'.$avatar_max_height.' pixels.</span></li>';

// Now check the width/height
                        if (empty($width) || empty($height) || $width > $forum_config['o_avatars_width'] || $height > $forum_config['o_avatars_height'])
                        {
                            @unlink($forum_config['o_avatars_dir'].'/'.$id.'.tmp');
                            $errors[] = sprintf($lang_profile['Too wide or high'], $forum_config['o_avatars_width'], $forum_config['o_avatars_height']);
                        }
                        else if ($type == 1 && $uploaded_file['type'] != 'image/gif')    // Prevent dodgy uploads
                        {
                            @unlink($forum_config['o_avatars_dir'].'/'.$id.'.tmp');
                            $errors[] = $lang_profile['Bad type'];
                        }

// Now check the width/height
            list($width, $height, $type,) = getimagesize($base_url.'/'.$forum_config['o_avatars_dir'].'/'.$id.'.tmp');
            if (empty($width) || empty($height) || $width > $forum_config['o_avatars_width'] || $height > $forum_config['o_avatars_height'])
            {

                // Attempt to resize if GD is installed with support for the uploaded image type, as well as JPG for the output
                $check_type = str_replace(array(1, 2, 3), array('IMG_GIF', 'IMG_JPG', 'IMG_PNG'), $type);
                if (extension_loaded('gd') && imagetypes() & constant($check_type) && imagetypes() & IMG_JPG)
                {

                    // Load the image for processing
                    if ($type == 1) $src_img = @imagecreatefromgif($base_url.'/'.$forum_config['o_avatars_dir'].'/'.$id.'.tmp');
                    elseif ($type == 2) $src_img = @imagecreatefromjpeg($base_url.'/'.$forum_config['o_avatars_dir'].'/'.$id.'.tmp');
                    elseif ($type == 3) $src_img = @imagecreatefrompng($base_url.'/'.$forum_config['o_avatars_dir'].'/'.$id.'.tmp');

                    if ($src_img)
                    {

                        // Figure out new image dimensions based on the maximum width
                        $new_w = $forum_config['o_avatars_width'];
                        $ratio = $height * $new_w;
                        $new_h = $ratio / $width;

                        // Do the new dimensions, based on the maximum width, fit the maximum height? If not, recalculate
                        if ($new_h > $forum_config['o_avatars_height'])
                        {
                            $new_h = $forum_config['o_avatars_height'];
                            $ratio = $width * $new_h;
                            $new_w = $ratio / $height;
                        }

                        // Resize the image
                        $new_img = imagecreatetruecolor($new_w, $new_h);
                        imagecopyresampled($new_img, $src_img, 0, 0, 0, 0, $new_w, $new_h, $width, $height);

                        // Delete the old image and write the newly resized one
                        @unlink($base_url.'/'.$forum_config['o_avatars_dir'].'/'.$id.'.tmp');
                        imagejpeg($new_img,$base_url.'/'.$forum_config['o_avatars_dir'].'/'.$id.'.tmp',85);

                        // Set the extension to JPG, since that's what the resized image is now
                        $extensions[0] = '.jpg';
                    }

                    // Something went wrong while attempting to load the image for processing
                    else
                    {
                        @unlink($base_url.'/'.$forum_config['o_avatars_dir'].'/'.$id.'.tmp');
                        message('An unexpected error occured while attempting to resize the image.');
                    }
                }

                // No GD installed or image type not supported; can't resize
                else
                {
                    @unlink($base_url.'/'.$forum_config['o_avatars_dir'].'/'.$id.'.tmp');
                    message($lang_profile['Too wide or high'].' '.$forum_config['o_avatars_width'].'x'.$forum_config['o_avatars_height'].' '.$lang_profile['pixels'].'.');
                }
            }
            else if ($type == 1 && $uploaded_file['type'] != 'image/gif')    // Prevent dodgy uploads
            {
                @unlink($base_url.'/'.$forum_config['o_avatars_dir'].'/'.$id.'.tmp');
                message($lang_profile['Bad type']);
            }

            // Make sure the file isn't too big
            if (filesize($base_url.'/'.$forum_config['o_avatars_dir'].'/'.$id.'.tmp') > $forum_config['o_avatars_size'])
                message($lang_profile['Too large'].' '.$forum_config['o_avatars_size'].' '.$lang_profile['bytes'].'.');

// Make sure the file isn't too big
                    if ($uploaded_file['size'] > $forum_config['o_avatars_size'])
                        $errors[] = sprintf($lang_profile['Too large'], forum_number_format($forum_config['o_avatars_size']));

$avatar_markup = '<img src="'.$base_url.'/'.$path.'" width="'.$avatar_width.'" height="'.$avatar_height.'" alt="'.$alt_attr.'" />';

$avatar_markup = '<img src="'.$base_url.'/'.$path.'" alt="'.$alt_attr.'" />';