public static function get_lwlogline($day = false)
 {
     if (!$day) {
         $timestamp = time();
         $ymd = date('Ymd', $timestamp);
         $logfile = BASE_PATH . "./api/data/log/lwlog{$ymd}.php";
     } else {
         $logfile = BASE_PATH . "./api/data/log/lwlog{$day}.php";
     }
     $line = countfileline($logfile);
     return $line;
 }
function includesqlfile()
{
    $sqlfile = PATH_CONFIG . '/cfg_dbfile.php';
    $filestatus = file_exists($sqlfile) && ($fileline = countfileline($sqlfile));
    $fileline = $fileline ? $fileline - 1 : 0;
    $dirs = scandir(PATH_DB);
    $newline = count($dirs);
    $filestr = '';
    if ($filestatus || $newline > $fileline) {
        $filestr .= '<?php' . "\n";
        foreach ($dirs as $v) {
            if ($v !== '.' && $v !== '..') {
                $newdir = "PATH_DB . " . "'/{$v}'";
                $filestr .= "\trequire_once({$newdir});\n";
            }
        }
        $fp = @fopen($sqlfile, 'wb');
        fwrite($fp, $filestr);
        fclose($fp);
    }
    return $sqlfile;
}