You have to send the correct headers before echoing the data. Have a look at this recent article at the Bakery about doing something similar:
http://bakery.cakephp.org/articles/view/imagebehavior-best-from-database-blobs-and-file-storage On Wed, Jun 3, 2009 at 7:49 PM, Jon <jon...@gmail.com> wrote: > > Hi, I searched through the archives and didn't find a solution to this > problem I'm encountering so hopefully someone here will know what it > is. I'm trying to get the contents (image) of a MySQL blob field and > output it. However, it won't display properly. > > I have modified my code so that it just echos the data that it > retrieves from the database: > > function download($id = null) { > Configure::write('debug', 0); > if ($id != null) { > $pic = $this->Schoolpicture->findById($id); > echo $pic['Schoolpicture']['content']; > } > exit(); > } > > This produces the result shown here (for picture 6): > http://www.ignitenation.org/index.php/schoolpictures/download/6 > > I also have another test script that bypasses all the CakePHP > structure. It just retrieves the data and outputs it: > > <?php > error_reporting(E_ALL); > $my_table = 'schoolpictures'; > $my_server = '----'; > $my_user = '----'; > $my_pwd = '----'; > $my_name = '----'; > $my_link = mysql_connect($my_server, $my_user, $my_pwd) > or exit('Could not connect (' . mysql_errno() . '): ' . mysql_error > ()); > $my = mysql_select_db($my_name, $my_link) > or exit('Could not select database (' . mysql_errno() . '): ' . > mysql_error()); > $row = mysql_fetch_array(mysql_query("SELECT content FROM $my_table > where id=6")); > print $row['content']; > ?> > > You'll see that the result (for the same image 6) found at the > following link looks quite different: http://www.ignitenation.org/test.php > > If you do a view source, the first link has some whitespace before the > data whereas this one does not. Also, it looks like the data is > encoded differently. If I add the proper header (Content-type: image/ > gif), test.php will display my image properly. I suspect that the > whitespace and/or the different encoding is the source of the problem, > but I have no idea what could be causing that. > > Thanks for reading this long post and for any insight that you might > be able to provide on this issue! > > > > --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "CakePHP" group. To post to this group, send email to cake-php@googlegroups.com To unsubscribe from this group, send email to cake-php+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/cake-php?hl=en -~----------~----~----~----~------~----~------~--~---
