(PHP 5 >= 5.1.2)
The SplTempFileObject class offers an object oriented interface for a temporary file.
$delimiter = ","
   [, string $enclosure = "\""
   [, string $escape = "\\"
  ]]] )$fields
   [, string $delimiter = ","
   [, string $enclosure = '"'
   [, string $escape = "\"
  ]]] )$delimiter = ","
   [, string $enclosure = "\""
   [, string $escape = "\\"
  ]]] )