ajax.php

<?php
session_start();
include('../dbconnect.php');
$numero_retour = mysqli_query($connect, "SELECT max(`num_ordre_arrivee`) as num_ord FROM `arrivee` WHERE 1");
$return = mysqli_fetch_array($numero_retour);
$retour = $return['num_ord'] + 1;
$non_extension = 0;
$extension = 0;
$pdf_extension = 0;
$png_extension = 0;



//debug function
function writeStringToFile($message,$messageValue) {

   // Open the file for writing (creates the file if it doesn't exist)
   $filePath = "../pdf/debug.txt";
   $content  = $message.strval($messageValue);

   //$file = fopen('debug.txt', 'w');
   $file = fopen($filePath, 'a');
   if ($file) {
       // Write the string to the file
       fwrite($file, $content . "\n");
       // Close the file
       fclose($file);
 
   } 
}


if (isset($_FILES['files'])) {
   $countfiles = count($_FILES['files']['name']);
   if ($countfiles > 0) {
      for ($index = 0; $index < $countfiles; $index++) {

         $filename = $_FILES['files']['name'][$index];
         $ext = strtolower(pathinfo($filename, PATHINFO_EXTENSION));
         $test_ext = '/' . $ext . '/';

         if ($test_ext == '/jpeg/' or $test_ext == '/jpg/') {

            $extension = $extension + 1;
            writeStringToFile("the file is jpeg ",$extension);

         }  elseif($test_ext == '/png/') {

            $png_extension++;
            writeStringToFile("png file detected ",$png_extension);

         } elseif($test_ext == '/pdf/' or $test_ext == '/PDF/') {

            $pdf_extension = $pdf_extension + 1;
            writeStringToFile("pdf_extension ",$pdf_extension);

         }else {

            $non_extension = $non_extension + 1;
            writeStringToFile("file with unspported extenoin ",$non_extension);
            //writeStringToFile(" $non_extension " + strval($non_extension));
         }
      }
   }
}





//upload when jpeg is available
if (isset($_FILES['files']) && $non_extension == 0 && $pdf_extension == 0 && $png_extension == 0) {


   writeStringToFile("message:","conversion is working on jpeg");

   $countfiles = count($_FILES['files']['name']);
   require('fpdf/fpdf.php');
   class PDF extends FPDF
   {
      function Header()
      {
      }
      function Footer()
      {
         $this->SetY(-15);
         $this->SetFont('Arial', 'I', 8);
         $this->Cell(0, 10, 'Page ' . $this->PageNo() . '/{nb}', 0, 0, 'C');
      }
   }
   $pdf = new PDF();
   if ($countfiles > 0) {
      for ($index = 0; $index < $countfiles; $index++) {
         $filename = $_FILES['files']['name'][$index];
         $upload_location = "image/";
         $path = $upload_location . $filename;
         move_uploaded_file($_FILES['files']['tmp_name'][$index], $path);
         $pdf->AliasNbPages();
         $pdf->AddPage();
         $pdf->SetFont('Times', '', 12);
         $filename = $_FILES['files']['name'][$index];
         $upload_location = "image/";
         $path = $upload_location . $filename;
         $pdf->Image($path . "", 5, 6, 200, 260, 'JPEG');
         unlink($path);
      }
      $pdf->Output("../pdf/" . $_SESSION['upload_img'] . ".pdf", "F");
   }
}



//upload when png 

if (isset($_FILES['files']) && $non_extension == 0 && $pdf_extension == 0 && $png_extension == 1  ) {


   writeStringToFile("message:","conversion is working on png");

   $countfiles = count($_FILES['files']['name']);
   require('fpdf/fpdf.php');
   class PDF extends FPDF
   {
      function Header()
      {
      }
      function Footer()
      {
         $this->SetY(-15);
         $this->SetFont('Arial', 'I', 8);
         $this->Cell(0, 10, 'Page ' . $this->PageNo() . '/{nb}', 0, 0, 'C');
      }
   }
   $pdf = new PDF();
   if ($countfiles > 0) {
      for ($index = 0; $index < $countfiles; $index++) {
         $filename = $_FILES['files']['name'][$index];
         $upload_location = "image/";
         $path = $upload_location . $filename;
         move_uploaded_file($_FILES['files']['tmp_name'][$index], $path);
         $pdf->AliasNbPages();
         $pdf->AddPage();
         $pdf->SetFont('Times', '', 12);
         $filename = $_FILES['files']['name'][$index];
         $upload_location = "image/";
         $path = $upload_location . $filename;
         $pdf->Image($path . "", 5, 6, 200, 260, 'PNG');
         unlink($path);
      }
      $pdf->Output("../pdf/" . $_SESSION['upload_img'] . ".pdf", "F");
   }
}



//upload when pdf is available
if ( isset($_FILES['files']) && $pdf_extension == 1) {

   writeStringToFile("targetFile ","pdf is working ");

   $countfiles = count($_FILES['files']['name']);

   for ($index = 0; $index < $countfiles; $index++) {

      $filename = $_FILES['files']['name'][$index];
      $upload_location = "../pdf/";
      $path = $upload_location . $_SESSION['upload_img'] . ".pdf";
      writeStringToFile("filename ",$filename);  
      move_uploaded_file($_FILES['files']['tmp_name'][$index], $path);

   }
}