Разный вид attachment

function show_attach($story, $id, $static = false) {
    global $db, $config, $lang, $user_group, $member_id;

    $find_1 = array();
    $find_2 = array();
    $replace_1 = array();
    $replace_2 = array();
    
    if( $static ) {
        
        if( is_array( $id ) and count( $id ) ) $where = "static_id IN (" . implode( ",", $id ) . ")";
        else $where = "static_id = '".intval($id)."'";
        
        $db->query( "SELECT id, name, onserver, dcount FROM " . PREFIX . "_static_files WHERE $where" );
        
        $area = "&area=static";
    
    } else {
        
        if( is_array( $id ) and count( $id ) ) $where = "news_id IN (" . implode( ",", $id ) . ")";
        else $where = "news_id = '".intval($id)."'";
        
        $db->query( "SELECT id, name, onserver, dcount FROM " . PREFIX . "_files WHERE $where" );
        
        $area = "";
    
    }
    
    while ( $row = $db->get_row() ) {
    
        $size = formatsize( @filesize( ROOT_DIR . '/uploads/files/' . $row['onserver'] ) );
        $row['name'] = explode( "/", $row['name'] );
        $row['name'] = end( $row['name'] );

        $find_1[] = '[attachment=' . $row['id'] . ']';
        $find_2[] = "#\[attachment={$row['id']}:(.+?)\]#i";

        if ( ! $user_group[$member_id['user_group']]['allow_files'] ) {

            $replace_1[] = "<span class=\"attachment\">{$lang['att_denied']}</span>";
            $replace_2[] = "<span class=\"attachment\">{$lang['att_denied']}</span>";

        } elseif( $config['files_count'] == 'yes' ) {

        //Разные атачменты, в зависимости от версии сайта. полная или мобильная
        global $smartphone_detected;
        if (!$smartphone_detected) {
        $mobile_attachment = "
            <div class=\"dwfiles-url\">
            <a href=\"/files/{$row['name']}\" >
            <div class=\"dwbtn btn btn-success\">Скачать APK</div></a>
            <div class=\"dwfiles-info\">\\1</div>
            <div class=\"dwfiles-size\">Размер <b>{$size}</b></div>
            <div class=\"dwfiles-qr\"><a href=\"http://chart.apis.google.com/chart?cht=qr&chs=350x350&chl={$config['http_home_url']}/files/{$row['name']}{$area}&chld=H|0\" onclick=\"return hs.expand(this)\" ><span>Показать QR-код</span></a></div>
            </div>"; 
        } else {
        $mobile_attachment = "
            <div class=\"download\">
            <a href=\"/files/{$row['name']}\" >
            Скачать APK</a></div>
            ";
        }
        
            $replace_1[] = $mobile_attachment;
            $replace_2[] = $mobile_attachment;

        } else {

            $replace_1[] = "<a href=\"/files/{$row['name']}\" >Скачать APK</a>";
            $replace_2[] = "<span class=\"attachment\"><a href=\"/files/{$row['name']}\" >\\1</a> [{$size}] ({$lang['att_dcount']} {$row['dcount']})</span>";

        }

    }

    $db->free();

    $story = str_replace ( $find_1, $replace_1, $story );
    $story = preg_replace( $find_2, $replace_2, $story );
    
    return $story;

}