<?php
 
ob_start();  //Start buffering the output
 
//your coding starts here
 
....
 
....
 
...
 
...
 
//Coding ends here
 
$html = ob_get_contents(); //dumb the buffer as a string in variable $html
 
ob_flush();  //Output the buffer to browser
 
//Start outputting to PDF
 
define('HTML2FPDF_VERSION','3.0(beta)');
define('RELATIVE_PATH','fpdf/');
define('FPDF_FONTPATH','font/');
 
require_once(RELATIVE_PATH.'fpdf.php');
require_once(RELATIVE_PATH.'htmltoolkit.php');
require_once(RELATIVE_PATH.'html2fpdf.php');
$pdf = new HTML2FPDF();
$pdf->WriteHTML($html);
$name="doc.pdf";
$pdf->Output($name);
 
?>

<?php
 
//Your code
 
....
 
....
 
....
 
// To make a pdf file:
 
$html= "<h1>hello</h1>";  //To add more html code use $html.= yourcode; in the next line
 
define('HTML2FPDF_VERSION','3.0(beta)');
define('RELATIVE_PATH','fpdf/');
define('FPDF_FONTPATH','font/');
 
require_once(RELATIVE_PATH.'fpdf.php');
require_once(RELATIVE_PATH.'htmltoolkit.php');
require_once(RELATIVE_PATH.'html2fpdf.php');
$pdf = new HTML2FPDF();
$pdf->WriteHTML($html);
$name="doc.pdf";
$pdf->Output($name);
 
?>