src/RpkUtils/Sysinfo/Server.php
public static function docroot()
    {
        if(!empty($_SERVER['DOCUMENT_ROOT'])){
            $docroot = str_replace('\\','/',$_SERVER['DOCUMENT_ROOT']);
        }else{
            $docroot = str_replace('\\','/',dirname(__FILE__));
        }
        
        return $docroot;
    }
public static function docroot()
    {
        if(!empty($_SERVER['DOCUMENT_ROOT'])){
            $docroot = str_replace('\\','/',$_SERVER['DOCUMENT_ROOT']);
        }else{
            $docroot = str_replace('\\','/',dirname(__FILE__));
        }
        
        return $docroot;
    }
Server document root
@return string