Warning: 1 is not a valid File-Handle resource in /xxx/xxx/xxx.php on line 15
That line reads: flock($fp, LOCK_UN);
Any ideas?
When you did your fopen() to assign the resource to $fp are you sure it worked? Most likely your file was unable to open...
Matt Wade http://codewalkers.com
What is $fp?
Did you use
$fp = fopen('somefile','r'); ?
Diego