<?php
$myFile = "varCompteur.txt";

//Obtien le chiffre du fichier;

$fh = fopen($myFile,'r');
$cpt = 0;

$theNumber = fread($fh,filesize($myFile));
$nb = $theNumber;
$nb = $nb + 1;
fclose($fh);

// waiting until file will be locked for writing (1000 milliseconds as timeout)
if ($fp = fopen($myFile, 'a')) {
  $startTime = microtime();
  $canWrite = false;
  while (!$canWrite):
    $canWrite = flock($fp, LOCK_EX);
    // If lock not obtained sleep for 0 - 100 milliseconds, to avoid collision and CPU load
    if(!$canWrite){usleep(round(rand(0, 100)*1000));}
  endwhile;

  //file was locked so now we can store information
  if ($canWrite) {
    ftruncate($fp, 0);
    fwrite($fp, $nb);
  }
  fclose($fp);
}

echo "La page &agrave; &eacute;t&eacute; charg&eacute;e $nb fois";

?>