Test with PHP 7.2 and 7.3 release but not 8 nightly as that fails currently

Raphael Schweikert · Raphael Schweikert · commit 55d554749bc9 · 2019-02-07T11:48:37.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -5,7 +5,8 @@ php:
     - "5.6"
     - "7.0"
     - "7.1"
-    - "nightly"
+    - "7.2"
+    - "7.3"
     - hhvm
 sudo: false
 dist: trusty
