public static function jsonp($arr)
{
$callback = request\sanitize::request('callback', 'string');
$output = static::json($arr);
if ($callback) {
header('Content-Type: text/javascript');
return $callback . '(' . $output . ');';
} else {
header('Content-Type: application/x-json');
return $output;
}
}
public static function isAjax()
{
return strtolower(request\sanitize::server('HTTP_X_REQUESTED_WITH', 'string')) == 'xmlhttprequest';
}