// Open File to Read (All Data):
   $myFileAll = "$filePath";
   $fha = fopen($myFileAll, 'w') or die("can't open file to remove obliques");

// Renove Obliques:
   $RemoveObliques = str_replace("/", "-", $fha);
   fwrite($fha, $RemoveObliques);
   fclose($fha);