topical media & game development
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

talk show tell print

basic-php-07-check-image-rev03.php / php



  <?php
  
  //connect to the database
  link = mysql_connect("localhost", "bp5am", "bp5ampass")
    or die("Could not connect: " . mysql_error());
  mysql_select_db("moviesite", link) 
    or die (mysql_error());
  
  //make variables available
  image_caption = _POST['image_caption'];
  image_username = _POST['image_username'];
  image_tempname = _FILES['image_filename']['name'];
  today = date("Y-m-d");
  
  //upload image and check for image type
  ImageDir ="c:/Program Files/Apache Group/Apache2/test/images/";
  
  //**INSERT THIS LINE:
  ImageThumb = ImageDir . "thumbs/";
  //**END OF INSERT
  
  ImageName = ImageDir . image_tempname;
  
  if (move_uploaded_file(_FILES['image_filename']['tmp_name'], 
                        ImageName)) {
  
    //get info about the image being uploaded
    list(width, height, type, attr) = getimagesize(ImageName);
  
    //**delete these lines
    switch (type) {
      case 1:
        ext = ".gif";
        break;
      case 2:
        ext = ".jpg";
        break;
      case 3:
        ext = ".png";
        break;
      default:
        echo "Sorry, but the file you uploaded was not a GIF, JPG, or " .
             "PNG file.<br>";
        echo "Please hit your browser's 'back' button and try again.";
    }
    //**end of deleted lines
  
    //**insert these new lines
    if (type > 3) {
      echo "Sorry, but the file you uploaded was not a GIF, JPG, or " .
           "PNG file.<br>";
      echo "Please hit your browser's 'back' button and try again.";
    } else {
  
      //image is acceptable; ok to proceed
  
    //**end of inserted lines
  
    //insert info into image table
  
    insert = "INSERT INTO images
              (image_caption, image_username, image_date)
              VALUES
              ('image_caption', 'image_username', 'today')";
    insertresults = mysql_query(insert)
      or die(mysql_error());
  
    lastpicid = mysql_insert_id();
  
    //change the following line:
    newfilename =  ImageDir . lastpicid . ".jpg";
  
    //**insert these lines
    if (type == 2) {
      rename(ImageName, newfilename);
    } else {
      if (type == 1) {
        image_old = imagecreatefromgif(ImageName);
      } elseif (type == 3) {
        image_old = imagecreatefrompng(ImageName);
      }
  
      //"convert" the image to jpg
      image_jpg = imagecreatetruecolor(width, height);
      imagecopyresampled(image_jpg, image_old, 0, 0, 0, 0, 
                       width, height, width, height);
      imagejpeg(image_jpg, newfilename);
      imagedestroy(image_old);
      imagedestroy(image_jpg);
    }
  
  //**INSERT THESE LINES
  
    newthumbname = ImageThumb . lastpicid . ".jpg";
  
    //get the dimensions for the thumbnail
    thumb_width = width * 0.10;
    thumb_height = height * 0.10;
  
    //create the thumbnail
    largeimage = imagecreatefromjpeg(newfilename);
    thumb = imagecreatetruecolor(thumb_width, thumb_height);
    imagecopyresampled(thumb, largeimage, 0, 0, 0, 0, 
                      thumb_width, thumb_height, width, height);
    imagejpeg(thumb, newthumbname);
    imagedestroy(largeimage);
    imagedestroy(thumb);
  //**END OF INSERT
    
    url = "location: showimage.php?id=" . lastpicid;
    header(url);
    //**end of inserted lines
  }
  
  ?>
  
  <!-- DELETE THESE LINES
  <html>
  <head>
  <title>Here is your pic!</title>
  </head>
  <body>
  <h1>So how does it feel to be famous?</h1><br><br>
  <p>Here is the picture you just uploaded to our servers:</p>
  <img src="images/<?php echo lastpicid . ext;  ?>" align="left">
  <strong><?php echo image_caption; ?></strong><br>
  This image is a <?php echo ext; ?> image.<br>
  It is <?php echo width; ?> pixels wide 
  and <?php echo height; ?> pixels high.<br>
  It was uploaded on <?php echo today; ?>.
  </body>
  </html>
  END OF DELETED LINES-->
[] readme course(s) preface I 1 2 II 3 4 III 5 6 7 IV 8 9 10 V 11 12 afterthought(s) appendix reference(s) example(s) resource(s) _

(C) Æliens 20/2/2008

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