[PHP] LOAD_FILE and PHP

[Jough P]

Greetings all, I can't get LOAD_FILE to work in an INSERT statement 
from PHP.  The generated sql works when you're in mysql but won't work 
from PHP.

BSDB is my database object.
sql_query basically just does a mysql_query and some error outputting 
stuff.  There error is:
Column 'photo' cannot be null

My SQL statement is:
INSERT INTO photo VALUES('', 
LOAD_FILE("/Library/WebServer/Documents/var/tmp/default_smiley.png"))

The first column is an auto-increment id, the second column is the 
photo.

Here's a code snippet:

   $uploaddir = '/Library/WebServer/Documents/var/tmp/';
   $uploadfile = $uploaddir . $_FILES['userfile']['name'];
   if ($_FILES['userfile']['type'] == "image/jpeg" ||
       $_FILES['userfile']['type'] == "image/png" ||
       $_FILES['userfile']['type'] == "image/gif" )
   {
      if (move_uploaded_file($_FILES['userfile']['tmp_name'], 
$uploadfile))
      {
         print "File is valid, and was successfully uploaded. ";
         print "Here's some more debugging info:\n";
         print "<pre>";
         print_r($_FILES);
         print "</pre>";
         echo "<IMG SRC=/var/tmp/" . $_FILES['userfile']['name'] . 
"><BR>";
         $bsdb = new BSDB();
         $sql = "INSERT INTO photo VALUES('', 
LOAD_FILE(\"$uploadfile\"))";
         echo "$sql<BR>\n";
         chmod($uploadfile,0755);
         $result = $bsdb->sql_query($sql);
      }
      else
      {
         print "Possible file upload attack! Here's some debugging 
info:\n";
         print "<pre>";
         print_r($_FILES);
         print "</pre>";
      }
   }

Thanks for your help!!