example_047.php

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<?php
//============================================================+
// File name   : example_047.php
// Begin       : 2009-03-19
// Last Update : 2013-05-14
//
// Description : Example 047 for TCPDF class
//               Transactions
//
// Author: Nicola Asuni
//
// (c) Copyright:
//               Nicola Asuni
//               Tecnick.com LTD
//               www.tecnick.com
//               info@tecnick.com
//============================================================+
 
// Include the main TCPDF library (search for installation path).
require_once('tcpdf_include.php');
 
// create new PDF document
$pdf = new TCPDF(PDF_PAGE_ORIENTATION, PDF_UNIT, PDF_PAGE_FORMAT, true, 'UTF-8', false);
 
// set document information
$pdf->SetCreator(PDF_CREATOR);
$pdf->SetAuthor('Nicola Asuni');
$pdf->SetTitle('TCPDF Example 047');
$pdf->SetSubject('TCPDF Tutorial');
$pdf->SetKeywords('TCPDF, PDF, example, test, guide');
 
// set default header data
$pdf->SetHeaderData(PDF_HEADER_LOGO, PDF_HEADER_LOGO_WIDTH, PDF_HEADER_TITLE.' 047', PDF_HEADER_STRING);
 
// set header and footer fonts
$pdf->setHeaderFont(Array(PDF_FONT_NAME_MAIN, '', PDF_FONT_SIZE_MAIN));
$pdf->setFooterFont(Array(PDF_FONT_NAME_DATA, '', PDF_FONT_SIZE_DATA));
 
// set default monospaced font
$pdf->SetDefaultMonospacedFont(PDF_FONT_MONOSPACED);
 
// set margins
$pdf->SetMargins(PDF_MARGIN_LEFT, PDF_MARGIN_TOP, PDF_MARGIN_RIGHT);
$pdf->SetHeaderMargin(PDF_MARGIN_HEADER);
$pdf->SetFooterMargin(PDF_MARGIN_FOOTER);
 
// set auto page breaks
$pdf->SetAutoPageBreak(TRUE, PDF_MARGIN_BOTTOM);
 
// set image scale factor
$pdf->setImageScale(PDF_IMAGE_SCALE_RATIO);
 
// set some language-dependent strings (optional)
if (@file_exists(dirname(__FILE__).'/lang/eng.php')) {
        require_once(dirname(__FILE__).'/lang/eng.php');
        $pdf->setLanguageArray($l);
}
 
// ---------------------------------------------------------
 
// set font
$pdf->SetFont('helvetica', '', 16);
 
// add a page
$pdf->AddPage();
 
$txt = 'Example of Transactions.
TCPDF allows you to undo some operations using the Transactions.
Check the source code for further information.';
$pdf->Write(0, $txt, '', 0, 'L', true, 0, false, false, 0);
 
$pdf->Ln(5);
 
$pdf->SetFont('times', '', 12);
 
// start transaction
$pdf->startTransaction();
 
$pdf->Write(0, "LINE 1\n");
$pdf->Write(0, "LINE 2\n");
 
// restarts transaction
$pdf->startTransaction();
 
$pdf->Write(0, "LINE 3\n");
$pdf->Write(0, "LINE 4\n");
 
// rolls back to the last (re)start
$pdf = $pdf->rollbackTransaction();
 
$pdf->Write(0, "LINE 5\n");
$pdf->Write(0, "LINE 6\n");
 
// start transaction
$pdf->startTransaction();
 
$pdf->Write(0, "LINE 7\n");
 
// commit transaction (actually just frees memory)
$pdf->commitTransaction();
 
// ---------------------------------------------------------
 
//Close and output PDF document
$pdf->Output('example_047.pdf', 'I');
 
//============================================================+
// END OF FILE
//============================================================+