add php 7.3 to travis (lstrojny#178)

andreybolonin · lstrojny · commit b38c6d57ad51 · 2018-12-03T18:46:46.000+02:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,6 +4,7 @@ php:
   - 7.0
   - 7.1
   - 7.2
+  - 7.3
   - nightly
 
 matrix:

-Original file line number
+Diff line change
   - 7.0
   - 7.1
   - 7.2
 +  - 7.3
   - nightly
 matrix: