try run on php 8

AydinHassan · AydinHassan · commit 0ae442b0f39b · 2020-10-20T11:23:52.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -8,6 +8,7 @@ php:
   - 7.2
   - 7.3
   - 7.4
+  - 8.0
 
 install:
   - composer self-update
