se/SE/se-lib/Response.php

<?php

class Response {

	public static function sendJson($data) {
		header("Content-type: application/json");
		echo json_encode($data);
	}

	public static function sendPlainText($data) {
		header("Content-type: text/plain");
		if (!is_scalar($data)) throw new Exception("Wrong data type - only scalar values allowed");
		echo $data;
	}


	public static function sendJsonExit($data) {
		self::sendJson($data);
		exit;
	}

	public static function sendPlainTextExit($data) {
		self::sendPlainText($data);
		exit;
	}

}