rip 5.6

.travis.yml

@@ -2,7 +2,6 @@ sudo: false
 language: php
 
 php:
-  - 5.6
   - 7.0
   - 7.1
   - nightly
@@ -29,10 +28,6 @@ after_script:
 matrix:
   fast_finish: true
   include:
-    - php: 5.6
-      env: DB=mariadb
-      addons:
-        mariadb: 10.1
     - php: 7.0
       env: DB=mariadb
       addons:

composer.json

@@ -14,7 +14,7 @@
     ],
     "minimum-stability": "dev",
     "require": {
-        "php": "^5.6 || ^7.0",
+        "php": "^7.0",
         "ext-pdo": "*",
         "doctrine/collections": "~1.2",
         "doctrine/dbal": ">=2.5-dev,<2.7-dev",