support for PHP 7.3

VasekPurchart · VasekPurchart · commit 40c3ab4e3a1a · 2018-12-31T14:28:05.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -4,6 +4,7 @@ sudo: false
 
 php:
   - 7.2
+  - 7.3
   - nightly
 
 env:

-Original file line number
+Diff line change
 php:
   - 7.2
 +  - 7.3
   - nightly
 env: