drop support for PHP 5.3/5.4

tamagokun · tamagokun · commit 7121f2b1781b · 2016-03-18T12:22:05.000-04:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,8 +1,6 @@
 language: php
 
 php:
-  - 5.3
-  - 5.4
   - 5.5
   - 5.6
 

-Original file line number
+Diff line change
 language: php
 php:
 -  - 5.3
 -  - 5.4
   - 5.5
   - 5.6