In this tutorial, we are going to download the invoice  in pdf using codeigniter. Html to pdf is one of  the challenging tasks for every programmers. There are many api and library are been  used by the programmer to exort the data in pdf format.Finally I found easy method to  convert html page into pdf.There are many library files been found to convert html to pdf. Some of them are FPDF,TCPDF,mPDF, DOMPDF etc. Here we are using TCPDF to convert the html data into pdf  format. TCPDF is an opersource phplibrary and very useful for the developers. 

Controller

load->helper('pdf_helper');
			$this->load->view('pdfreport', $data);
		}	
	}
	
?>

Views

SetCreator(PDF_CREATOR);
	$title = "Hack and PHP";
	$obj_pdf->SetTitle($title);	
	$obj_pdf->SetHeaderData(PDF_HEADER_LOGO, PDF_HEADER_LOGO_WIDTH, $title, "Commercial Invoice");
	$obj_pdf->setHeaderFont(Array(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN));
	$obj_pdf->setFooterFont(Array(PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA));
	$obj_pdf->SetDefaultMonospacedFont('helvetica');
	$obj_pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
	$obj_pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
	$obj_pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);
	$obj_pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
	$obj_pdf->SetFont('helvetica', '', 9);
	$obj_pdf->setFontSubsetting(false);
	$obj_pdf->AddPage();
	ob_start();
?>

By Thirumani Raj posted on - 14th Feb 2016

Live Demo Download Script