AS3CF_Filter::get_size_string_from_url PHP Метод

    protected function get_size_string_from_url($attachment_id, $url)
    {
        $meta = get_post_meta($attachment_id, '_wp_attachment_metadata', true);
        if (empty($meta['sizes'])) {
            // No alternative sizes available, return
            return null;
        }
        $basename = wp_basename($this->as3cf->maybe_remove_query_string($url));
        foreach ($meta['sizes'] as $size => $file) {
            if ($basename === $file['file']) {
                return $size;
            }
        }
        return null;
    }