remove php7 from travis config and add 5.5 for compatibility

gregor-j · gregor-j · commit 917136935248 · 2020-02-28T16:23:21.000+01:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,10 +1,9 @@
 language: php
 os: linux
+dist: trusty
 php:
+  - 5.5
   - 5.6
-  - 7.0
-  - 7.1
-  - 7.2
 env:
   global:
     - CC_TEST_REPORTER_ID=b6d85f5dc7af90e89653c56b04866b27d98b35e84c2ff9a5d9499bbb53469cbf
