This works:
$logFile = fopen("".$user.".log", "w") or die("Unable to open log file for {$user}!");
But this does not:
$logFile = fopen("logs/".$user.".log", "w") or die("Unable to open log file for {$user}!");
I'm on a linux machine. My logs directory exists in the same directory as my index.php. I've tried a forward slash before logs directory. I've tried the absolute path. I've tried literal forward slashes, double slashes, triple slashes...running out of ideas here.