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    $logged is set in every case? There is no possible way in the code that it could fail to be set? If you add $logged = ""; at the top of the script (before the definition), what happens? Commented Oct 21, 2009 at 14:54
  • It happened to me once that I included a file within a function. Unless you pass the variables as parameters or define them with global they aren't available in the included file. Just a tidbit. Commented Aug 20, 2012 at 20:31