[OpenLayers-Users] Print / Saving Image

[youknowho]

I'm having trouble getting this working and am new to PHP so that may be part
of it. I get a 404 not found error message "The requested URL
/openLayers/temp/<br />Warning: Invalid argument supplied for foreach() in
/var/www/lib/printMap.php on line 20<br
/>http://www.host.com/cgi-bin/temp/9b4a7f4ef0672726291d3aa75c387802.jpg was
not found on this server."

When I check the host/cgi-bin/temp directory the images are there, albeit as
13KB flat black images without map data. I've defined TEMP_DIR and TEMP_URL
as variables:

<?php
 // define temp directories
  $TEMP_DIR = "/var/www/cgi-bin/temp";
  $TEMP_URL = "http://www.host.com/cgi-bin/temp";
....
  $file     = sprintf("%s/%s.jpg", $TEMP_DIR, $random );
  $url      = sprintf("%s/%s.jpg", $TEMP_URL, $random );
....
   // fetch the tile into a temp file, and analyze its type; bail if it's
invalid
   $tempfile =  sprintf("%s/%s.img", $TEMP_DIR, md5(microtime().mt_rand())
);

I'm using TileCache on the same host so I don't think there are any proxy
issues. The TEMP_DIR is wide-open permissions wise. Using RHEL and PHP 5.2.6
with GD support. Thank you for your help.
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