include_once("/global/www/webroot/registerglobals.inc"); /* Logg og tellefil */ $loggfil = "etc/logg.txt"; $tellefil = "etc/teller.txt"; function telleroek() { global $tellefil, $loggfil, $REMOTE_ADDR, $HTTP_USER_AGENT; $fp = fopen ($tellefil, 'r'); if ($fp == false) { error("Klarte ikke lese tellefila"); } else { $tall = fgets($fp, 4096); settype($tall, "double"); $tall++; #print "Tallet i dag er: ".$tall; fclose($fp); $fp = fopen ($tellefil, 'w'); $logg = fopen($loggfil, 'a'); if ($fp == false || $logg == false) { error("Klarte ikke å skriv e til tellefila eller loggfila"); } else { fwrite ($fp, $tall); fwrite ($logg, "$REMOTE_ADDR : ".date("l Y-m-d H:i:s")." using $HTTP_USER_AGENT\n"); fclose($logg); fclose($fp); } } } telleroek(); ?>
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an example of front tracking for hyperbolic conservation laws...