Linux::_kernel PHP Method

    private function _kernel()
    {
        $result = "";
        if (CommonFunctions::executeProgram($uname = "uptrack-uname", '-r', $strBuf, false) || CommonFunctions::executeProgram($uname = "uname", '-r', $strBuf, PSI_DEBUG)) {
            $result = $strBuf;
            if (CommonFunctions::executeProgram($uname, '-v', $strBuf, PSI_DEBUG)) {
                if (preg_match('/SMP/', $strBuf)) {
                    $result .= ' (SMP)';
                }
            }
            if (CommonFunctions::executeProgram($uname, '-m', $strBuf, PSI_DEBUG)) {
                $result .= ' ' . $strBuf;
            }
        } elseif (CommonFunctions::rfts('/proc/version', $strBuf, 1) && preg_match('/version (.*?) /', $strBuf, $ar_buf)) {
            $result = $ar_buf[1];
            if (preg_match('/SMP/', $strBuf)) {
                $result .= ' (SMP)';
            }
        }
        if ($result != "") {
            if (CommonFunctions::rfts('/proc/self/cgroup', $strBuf2, 0, 4096, false)) {
                if (preg_match('/:\\/lxc\\//m', $strBuf2)) {
                    $result .= ' [lxc]';
                } elseif (preg_match('/:\\/docker\\//m', $strBuf2)) {
                    $result .= ' [docker]';
                } elseif (preg_match('/:\\/system\\.slice\\/docker\\-/m', $strBuf2)) {
                    $result .= ' [docker]';
                }
            }
            if (CommonFunctions::rfts('/proc/version', $strBuf2, 1, 4096, false) && preg_match('/^Linux version [\\d\\.]+-Microsoft/', $strBuf2)) {
                $result .= ' [lxss]';
            }
            $this->sys->setKernel($result);
        }
    }