* Thus wrote Scott Fletcher:
> Nah!  I'll settle for a simplier one...   file_exists() by checking to see
> if the file exist then spit out the error message.  Meaning the file is in
> use...

Don't use file_exists() for that, it will fail miserable with
racing conditions. a better more portable way would be to use
mkdir():

if (mkdir('mylockdir', 0755) ) {
  // we've obtained a lock 
  // do stuff 

  // and unlock it
  rmdir('mylockdir');
} else {

  // unable to obtain lock

}


Curt
-- 
First, let me assure you that this is not one of those shady pyramid schemes
you've been hearing about.  No, sir.  Our model is the trapezoid!

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