I have a feeling I know the answer to this already, "yes", but I'll ask
If I have a file on a web server that's being served to clients and I
open it from within a PHP script (or any language that uses the system
fopen() command I suppose). I seek to a certain part of the file, write
to the file there (replacing text already there), and it may take
several seconds, then I close the file again.
Question is, while I'm replacing the text in the middle of that file,
will web users see the old file until I close() it at the end?
Otherwise I've got to go make offline copies of those files..
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