public function getServerInfo()
    {
        return sprintf('%s:%s%s%s', $this->host, $this->port, $this->path, $this->core);
    }
public function getServerInfo()
    {
        return sprintf('%s:%s%s%s', $this->host, $this->port, $this->path, $this->core);
    }
public function getServerInfo ( ) { return sprintf ( '%s:%s%s%s' , $ this -> host , $ this -> port , $ this -> path , $ this -> core ) ; }
Return unique resource identifier for solr core

@return string
Return unique resource identifier for solr core