From fcfbbe926f59265e011ae4904646fa9ff64dbaf4 Mon Sep 17 00:00:00 2001
From: Vincent Klaiber <vinkla@users.noreply.github.com>
Date: Thu, 15 Feb 2018 22:41:19 +0100
Subject: [PATCH] Add back strings

---
 .travis.yml | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 36b1604..44641af 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -1,8 +1,8 @@
 language: php
 
 php:
-  - 7.0
-  - 7.2
+  - '7.0'
+  - '7.2'
 
 git:
   depth: 10