Send dynamic pdf using phpmailer - php

Question

I'm building a tremendous web application and now in the last steps the problem i have is that the dynamically generated using fpdf pdf which successfully is created is not sent through phpmailer. Below is the code:
<?php
session_start();
$title=$_SESSION['position'];
$fname=$_SESSION['user_name'];
$sec_name=$_SESSION['sec_name'];
$stel=$_SESSION['stel'];
$wtel=$_SESSION['wtel'];
$user_email=$_SESSION['user_email'];
$position2=$_SESSION['position2'];
$company=$_SESSION['company'];
$companyInd=$_SESSION['companyInd'];
$address=$_SESSION['address'];
$city=$_SESSION['city'];
$postcode=$_SESSION['postcode'];
$email="test#example.com";
require('fpdf.php');
$pdf = new FPDF('P','mm','A4');
$pdf->AddPage();
$pdf->SetFont('Arial','B',16);
$pdf->Cell(40,10,'Dos LTD');
$pdf->Cell(0,10,"INVOICE",0,0,R);
$pdf->Ln(20);
$pdf->Cell(0,10,"Address: {$address}");
$pdf->Ln(20);
$pdf->Cell(0,10,"City: {$city} Postal code: {$postcode}");
$pdf->Ln(20);
$pdf->Cell(0,10,"Phone: {$wtel}");
$pdf->Ln(20);
$pdf->Cell(33,7,'QUANTITY',1,0,'L',0);
$pdf->Cell(85,7,'DESCRIPTION',1,0,'C',0);
$pdf->Cell(45,7,'UNIT PRICE',1,0,'L',0);
$pdf->Cell(25,7,'TOTAL',1,0,'L',0);
$pdf->Ln(7);
$pdf->Cell(33,37,'4',1,0,'L',0);
$pdf->Cell(85,37,'Example',1,0,'C',0);
$pdf->Cell(45,37,'$3.50',1,0,'L',0);
$pdf->Cell(25,37,'$14',1,0,'L',0);
$pdf->SetTitle("Invoice", true);
$pdf->Output("filename345.pdf","I");
require_once ('phpmailera.php'); //class.phpmailer.php
require ('PHPMailerAutoload.php');
require_once ('smtp.php');
$mail-> new PHPMailer;
$mail->isSMTP(); // Set mailer to use SMTP
$mail->Host = 'smtp.gmail.com'; // Specify main and backup SMTP servers
$mail->SMTPAuth = true; // Enable SMTP authentication
$mail->Username = 'myemail#gmail.com'; // SMTP username
$mail->Password = 'pass'; // SMTP password
$mail->SMTPSecure = 'tls'; // Enable TLS encryption, `ssl` also accepted
$mail->Port = 587; // TCP port to connect to
$mail->From("test#anemail.com");
$mail->setFrom("Email Sent!");
$mail->addAddress("anemail#gmail.com"); // Add a recipient
$mail->addReplyTo('test#anything.com');
$mail->addCC('test#test.com');
$mail->addBCC('test#likost7.com');
$mail->addAttachment("filename345.pdf"); // Add attachments
$mail->isHTML(true); // Set email format to HTML
$mail->Subject = 'Here is the subject';
$mail->Body = 'This is the HTML message body <b>in bold!</b>';
$mail->AltBody = 'This is the body in plain text for non-HTML mail clients';
var_dump($mail->send());
$mail->unlink("filename345.pdf");
if(!$mail->send()) {
echo 'Message could not be sent.';
echo 'Mailer Error: ' . $mail->ErrorInfo;
} else {
echo 'Message has been sent';
}
*/
?>