final protected function fputcsv(
		array $fields,
		$delimiter = ',',
		$enclosure = '"',
		$escape_char = '\\'
	)
	{
		return fputcsv(
			$this->fhandle,
			$fields,
			$delimiter,
			$enclosure,
			$escape_char
		);
	}
final protected function fputcsv(
		array $fields,
		$delimiter = ',',
		$enclosure = '"',
		$escape_char = '\\'
	)
	{
		return fputcsv(
			$this->fhandle,
			$fields,
			$delimiter,
			$enclosure,
			$escape_char
		);
	}
final protected function fputcsv ( array $ fields , $ delimiter = ',' , $ enclosure = '"' , $ escape_char = '\\' ) { return fputcsv ( $ this -> fhandle , $ fields , $ delimiter , $ enclosure , $ escape_char ) ; }
Format line as CSV and write to file pointer

@param  array  $fields      An array of values.
@param  string $delimiter   Sets the field delimiter (1 character only)
@param  string $enclosure   Sets the field enclosure (1 character only)
@param  string $escape_char Sets the escape character (1 character only)
@return int                 Length of the written string or FALSE on failure.
@see https://php.net/manual/en/function.fputcsv.php
Format line as CSV and write to file pointer