added spaces + some curly braces + some usage of dbm::is_result()

Signed-off-by: Roland Häder <roland@mxchange.org>

mod/poco.php

@@ -43,8 +43,8 @@ function poco_init(App $a) {
 		echo json_encode($ret);
 		killme();
 	}
+
 	if ($a->argc > 1 && $a->argv[1] === '@global') {
-		// List of all profiles that this server recently had data from
 		$global = true;
 		$update_limit = date(DateTimeFormat::MYSQL, time() - 30 * 86400);
 	}