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) _

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basic-php-07-modifyimage-rev01.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
  id = _POST['id'];
  if (isset(_POST['bw'])) {
    bw = _POST['bw'];
  } else {
    bw = '';
  }
  action = _POST['action'];
  
  //get info on the pic we want
  getpic = mysql_query("SELECT * FROM images WHERE image_id = 'id'")
    or die(mysql_error());
  rows = mysql_fetch_array(getpic);
  extract(rows);
  
  image_filename = "images/" . image_id . ".jpg";
  
  list(width, height, type, attr) = getimagesize(image_filename);
  
  image = imagecreatefromjpeg("image_filename");
  
  if (bw == 'on') {
    imagefilter(image, IMG_FILTER_GRAYSCALE);
  }
  
  if (action == "preview") {
    header("Content-type:image/jpeg");
    imagejpeg(image);
  }
  
  if (action == "save") {
    imagejpeg(image, image_filename);
  
    url = "location:showimage.php?id=". id . "&mode=change";
    header(url);
  }
  
  ?>
[] 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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