public function __construct($errcode, $a1 = null, $a2 = null, $a3 = null, $a4 = null, $a5 = null)
 {
     // make sure everything is assigned properly
     $errtxt = new ErrMsgText();
     JpGraphError::SetTitle('JpGraph Error: ' . $errcode);
     parent::__construct($errtxt->Get($errcode, $a1, $a2, $a3, $a4, $a5), 0);
 }

            die($msg);
        } else {
            define('TTF_DIR', $sroot . '/fonts/');
        }
    } else {
        define('TTF_DIR', '/usr/share/fonts/truetype/');
    }
}
//
// Setup path for MultiByte TTF fonts (japanese, chinese etc.)
//
if (!defined('MBTTF_DIR')) {
    if (strstr(PHP_OS, 'WIN')) {
        $sroot = getenv('SystemRoot');
        if (empty($sroot)) {
            $t = new ErrMsgText();
            $msg = $t->Get(12, $file, $lineno);
            die($msg);
        } else {
            define('MBTTF_DIR', $sroot . '/fonts/');
        }
    } else {
        define('MBTTF_DIR', '/usr/share/fonts/truetype/');
    }
}
//
// Check minimum PHP version
//
function CheckPHPVersion($aMinVersion)
{
    list($majorC, $minorC, $editC) = preg_split('/[\\/.-]/', PHP_VERSION);

 function Headers()
 {
     // In case we are running from the command line with the client version of
     // PHP we can't send any headers.
     $sapi = php_sapi_name();
     if ($sapi == 'cli') {
         return;
     }
     // These parameters are set by headers_sent() but they might cause
     // an undefined variable error unless they are initilized
     $file = '';
     $lineno = '';
     if (headers_sent($file, $lineno)) {
         $file = basename($file);
         $t = new ErrMsgText();
         $msg = $t->Get(10, $file, $lineno);
         die($msg);
     }
     if ($this->expired) {
         header("Expires: Mon, 26 Jul 1997 05:00:00 GMT");
         header("Last-Modified: " . gmdate("D, d M Y H:i:s") . "GMT");
         header("Cache-Control: no-cache, must-revalidate");
         header("Pragma: no-cache");
     }
     header("Content-type: image/{$this->img_format}");
 }

 function RaiseL($errnbr, $a1 = null, $a2 = null, $a3 = null, $a4 = null, $a5 = null)
 {
     global $__jpg_err;
     $t = new ErrMsgText();
     $msg = $t->Get($errnbr, $a1, $a2, $a3, $a4, $a5);
     $tmp = new $__jpg_err();
     $tmp->Raise($msg);
 }

 public static function RaiseL($errnbr, $a1 = null, $a2 = null, $a3 = null, $a4 = null, $a5 = null)
 {
     $t = new ErrMsgText();
     $msg = $t->Get($errnbr, $a1, $a2, $a3, $a4, $a5);
     self::$__jpg_err->Raise($msg);
 }