drop support for PHP 5.(3|4|5)

吕海涛 · 吕海涛 · commit 31247f81fd87 · 2017-12-16T13:48:06.000+08:00
diff --git a/.travis.yml b/.travis.yml
@@ -1,9 +1,6 @@
 language: php
 
 php:
-    - 5.3
-    - 5.4
-    - 5.5
     - 5.6
     - 7
     - hhvm

-Original file line number
+Diff line change
@@ @@ -1,9 +1,6 @@ @@
 language: php
 php:
 -    - 5.3
 -    - 5.4
 -    - 5.5
     - 5.6
     - 7
     - hhvm