[travis] Test against php 7.4

rgomezcasas · rgomezcasas · commit d21bf670ef4e · 2019-12-09T00:46:38.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,6 +1,6 @@
 language: php
 
-php: [7.2, 7.3]
+php: [7.2, 7.3, 7.4]
 
 before_script:
   - phpenv config-rm xdebug.ini
