build: run CI against php 7.4

Douglas Greenshields · gsdevme · commit a9e0c9b1f682 · 2020-01-27T19:41:12.000Z
diff --git a/.travis.yml b/.travis.yml
@@ -7,12 +7,13 @@ matrix:
     - php: 7.1
     - php: 7.2
     - php: 7.3
+    - php: 7.4
     - php: nightly
   allow_failures:
     - php: nightly
 
 sudo: false
-dist: trusty
+dist: xenial
 
 env:
   global:
