> This seems to work ok to delete the tmp semaphore files.
> If you're not too busy, have I missed anything out or can you suggest any
> improvements?
> $dir = $_SERVER['DOCUMENT_ROOT']."/tmp";
Make sure that you do not delete temporary files from other scripts. I would
suggest a seperate folder for all "referer-semaphore-files":
$dir=$_SERVER['DOCUMENT_ROOT']."/tmp/referers/";
Another tip: If you write the ending "/" to $dir you can skip it later at
filemtime($dir.$fname) and unlink($dir.$fname).
And make sure that the filenames also have a defined length and
file-extension: /^[a-zA-Z0-9]{32}\.semaphore$/ so you do not delete foreign
files.
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