emitCSV fields

gistfile1.txt

function emitCSV(array $fields, $delimiter = ',', $enclosure = '"', $mysql_null = false) {
    $delimiter_esc = preg_quote($delimiter, '/');
	$enclosure_esc = preg_quote($enclosure, '/');

	$output = array();
	foreach ($fields as $field) {
		if ($field === null && $mysql_null) {
			$output[] = 'NULL';
			continue;
		}

		$output[] = preg_match("/(?:${delimiter_esc}|${enclosure_esc}|\s)/", $field) ? (
		$enclosure . str_replace($enclosure, $enclosure . $enclosure, $field) . $enclosure) : $field;
	}

	return join($delimiter, $output) . "\n";
}