trying to creATE A PDF FILE USING PHP and CodeIgniter.

[eluser]RaiNnTeaRs[/eluser]

Code:

$pdf = pdf_new();
    pdf_open_file($pdf,"http://192.168.1.188/ci2/report/report.pdf");
    pdf_set_info($pdf, "Author", "Sales-admin");
    pdf_set_info($pdf, "Title", "Confirmation report");
    pdf_set_info($pdf, "Creator", "www.a.com");
    pdf_set_info($pdf, "Subject", "Order Confirmation");
    
    pdf_begin_page($pdf, 595, 842);

My error message:
Fatal error: Uncaught exception 'PDFlibException' with message 'Function must not be called in 'object' scope' in C:\xampp\htdocs\ci2\system\application\controllers\dojang.php:1019 Stack trace: #0 C:\xampp\htdocs\ci2\system\application\controllers\dojang.php(1019): pdf_begin_page() #1 C:\xampp\htdocs\ci2\system\codeigniter\CodeIgniter.php(224): Dojang->report(Resource id #48, 595, 842) #2 C:\xampp\htdocs\ci2\index.php(115): require_once('C:\xampp\htdocs...') #3 {main} thrown in C:\xampp\htdocs\ci2\system\application\controllers\dojang.php on line 1019