How to create pdf file in php?

To create pdf file in php. we need to install some class.
this you can download from..
http://www.fpdf.org/en/download.php

After download put it into your directory..

and create a new file hello.php in that folder...
it important to your file make in this folder..[where fpdf.php will be save]

now past this code in hello.php and save it..
< php
require('fpdf.php');
$pdf = new FPDF();
$pdf->AddPage();
$pdf->SetFont('Arial','B',16);
$pdf->Cell(40,10,'Hello World!');
$pdf->Output();
 >

In this code..
The FPDF() constructor is used here with the default values: pages are in A4 portrait.
You can change it by...
$pdf = new FPDF('P','mm','A4');

Now There's no page at the moment, so we have to add one with AddPage().
AddPage(oraientation, size)
Oraientation = P or Portrait, L or Landscape

size: A3, A4, A5..

Now before we can print text, it's mandatory to select a font with SetFont(), otherwise the document would be invalid. We choose Arial bold 16:

Now We can now print a cell with Cell(). A cell is a rectangular area, possibly framed, which contains a line of text.
Cell( w , h , txt , border , ln , align , fill , link)
w-width

h-height

txt-string

border- 0=No border, 1=Frame

ln- Indicates where the current position should go after the call [0-to the right, 1-to the beginning of next line, 2-below]

align- L-left, R-Right, C-Center

Fill- true=painted, false=transparent[default false.]

link- URL

............

For Details of all class... See this links..

http://www.fpdf.org/en/doc/index.php