Method updateRealThumbnailSizes

public static function updateRealThumbnailSizes($image, $sizes)
{
    if ($image == '') {
        return false;
    }
    if (empty($sizes)) {
        return false;
    }
    $path = PhocaGalleryPath::getPath();
    $file = str_replace($path->image_rel, '', $image);
    $extW = '';
    if (isset($sizes['l']['w']) && isset($sizes['m']['w']) && isset($sizes['s']['w'])) {
        $extW = (int) $sizes['l']['w'] . ',' . (int) $sizes['m']['w'] . ',' . (int) $sizes['s']['w'];
    }
    $extH = '';
    if (isset($sizes['l']['h']) && isset($sizes['m']['h']) && isset($sizes['s']['h'])) {
        $extH = (int) $sizes['l']['h'] . ',' . (int) $sizes['m']['h'] . ',' . (int) $sizes['s']['h'];
    }
    if ($file != '' && $extW != '' && $extH != '') {
        $db = Factory::getDBO();
        $query = 'UPDATE #__phocagallery' . ' SET extw = ' . $db->quote($extW) . ',' . ' exth = ' . $db->quote($extH) . ' WHERE filename = ' . $db->quote($file);
        $db->setQuery($query);
        $db->execute();
        return true;
    }
    return false;
}