From e3e91e07770ff533fbe1493095a32a9e19e3161b Mon Sep 17 00:00:00 2001
From: Jacek Kowalski <Jacek@jacekk.info>
Date: Mon, 17 Jun 2019 16:02:12 +0000
Subject: [PATCH] Make sure that the vehicle "low" attribute is always an integer

---
 lib/mapper.php |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/lib/mapper.php b/lib/mapper.php
index 65987a4..3eb7912 100644
--- a/lib/mapper.php
+++ b/lib/mapper.php
@@ -135,7 +135,7 @@
 				$num = $gtfsTrip['num'];
 				if(!is_array($data) || !isset($data['num'])) {
 					$data = [
-						'num' => $num,
+						'num' => $num ?: '',
 						'low' => 2,
 					];
 				} elseif($data['num'] != $num) {

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