<?php
require('fpdf.php');
class PDF extends FPDF
{
//Current column
var $col=0;
//Ordinate of column start
var $y0;
function Header()
{
    //Page header
    global $title;
    $this->SetFont('Arial','B',15);
    $w=$this->GetStringWidth($title)+6;
    $this->SetX((210-$w)/2);
    $this->SetDrawColor(0,80,180);
    $this->SetFillColor(230,230,0);
    $this->SetTextColor(220,50,50);
    $this->SetLineWidth(1);
    $this->Cell($w,9,$title,1,1,'C',true);
    $this->Ln(10);
    //Save ordinate
    $this->y0=$this->GetY();
}
function Footer()
{
    //Page footer
    $this->SetY(-15);
    $this->SetFont('Arial','I',8);
    $this->SetTextColor(128);
    $this->Cell(0,10,'Page '.$this->PageNo(),0,0,'C');
}
function SetCol($col)
{
    //Set position at a given column
    $this->col=$col;
    $x=10+$col*65;
    $this->SetLeftMargin($x);
    $this->SetX($x);
}
function AcceptPageBreak()
{
    //Method accepting or not automatic page break
    if($this->col<2)
    {
        //Go to next column
        $this->SetCol($this->col+1);
        //Set ordinate to top
        $this->SetY($this->y0);
        //Keep on page
        return false;
    }
    else
    {
        //Go back to first column
        $this->SetCol(0);
        //Page break
        return true;
    }
}
function ChapterTitle($num,$label)
{
    //Title
    $this->SetFont('Arial','',12);
    $this->SetFillColor(200,220,255);
    $this->Cell(0,6,"Chapter $num : $label",0,1,'L',true);
    $this->Ln(4);
    //Save ordinate
    $this->y0=$this->GetY();
}
function ChapterBody($file)
{
    //Read text file
    $f=fopen($file,'r');
    $txt=fread($f,filesize($file));
    fclose($f);
    //Font
    $this->SetFont('Times','',12);
    //Output text in a 6 cm width column
    $this->MultiCell(60,5,$txt);
    $this->Ln();
    //Mention
    $this->SetFont('','I');
    $this->Cell(0,5,'(end of excerpt)');
    //Go back to first column
    $this->SetCol(0);
}
function PrintChapter($num,$title,$file)
{
    //Add chapter
    $this->AddPage();
    $this->ChapterTitle($num,$title);
    $this->ChapterBody($file);
}
}
$pdf=new PDF();
$title='20000 Leagues Under the Seas';
$pdf->SetTitle($title);
$pdf->SetAuthor('Jules Verne');
$pdf->PrintChapter(1,'A RUNAWAY REEF','20k_c1.txt');
$pdf->PrintChapter(2,'THE PROS AND CONS','20k_c2.txt');
$pdf->Output();
?>