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Page Counter v1

Have to control file permissions on the dir where the counter files live
May need to refresh FTP file listing when create a new file
$PHP_SELF starts out as /dir1/filexxx.php
convert it to ==> dir1.filexxx.php
strip off leading slash so all files are in one counter directory.
change remaining slashes to periods again so all files are in one counter directory

   echo "starting php";
   $temp = substr($PHP_SELF, 1);          //strip off leading slash substring
   $temp = str_replace("/", ".", $temp);  //replace all slashes with underscores
   $myfile = "../mikescounterfiles/" . $temp . ".txt";  //all in one dir, sep file per web page

   if (is_file($myfile))
       {echo "$myfile IS a file";
       if (is_readable($myfile)) {echo "it is readable";}
       else                      {echo "it is NOT readable"; exit;}}
   else
      {echo "$myfile is NOT a file, creating it";
      $fileptr = fopen($myfile, "a"); //create it
      if (!$fileptr) {echo "error opening file to create it. maybe";}
      fputs($fileptr, "0 | put timestamp here later");
      fclose($fileptr);
      echo "created file with one line";}

   $fileptr = fopen($myfile, "r+");  // R+ is open for read/write
   if (!$fileptr) {echo "error opening file for read/write access"; exit;}
   $myarray = fgetcsv($fileptr, 300, "|");  //read a line and parse it into an array
   if (!$myarray) {echo "error reading counter file with fgetcsv()"; exit;}
   echo "number of data fields=" . count($myarray);
   echo "counter was=>" . $myarray[0]. "*";
   echo "2nd field=>"   . $myarray[1]. "*";
   $myarray[0] = $myarray[0] + 1; //increment counter
   $outline = $myarray[0] . "|" . $myarray[1];
   $tfflag = rewind($fileptr);   //back to the front of the file
   if (!$tfflag) {echo "error rewinding counter file"; exit;}
   $numbytes = fwrite($fileptr, $outline);
   if (!numbytes) {echo "error updating counter file"; exit;}
   $tfflag = fclose($fileptr);
   if (!$tfflag) {echo "error closing counter file";}
   echo "done with php";