Test against PHP 7.4 instead of 8

sebastiaanluca · sebastiaanluca · commit a532565b9be4 · 2019-02-27T17:17:09.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -3,7 +3,7 @@ language: php
 php:
   - "7.2"
   - "7.3"
-  - nightly
+  - 7.4snapshot
 
 cache:
   directories:
