Force PHP 7.1

.travis.yml

@@ -5,12 +5,8 @@ language: php
 
 matrix:
   include:
-    - php: 5.6
-      env: WITH_PHPUNIT=true
-    - php: 5.6
+    - php: 7.1
       env: WITH_CS=true
-    - php: 7.0
-      env: WITH_PHPUNIT=true
     - php: 7.1
       env: WITH_PHPUNIT=true WITH_COVERAGE=true
     - php: 7.2

composer.json

@@ -12,13 +12,13 @@
         }
     ],
     "require": {
-        "php": ">=5.6.0",
+        "php": ">=7.1.0",
         "ext-zip": "*",
         "ext-xmlreader" : "*"
     },
     "require-dev": {
-        "phpunit/phpunit": "^5.7.0 || ^6.4.0",
-        "friendsofphp/php-cs-fixer": "^2.7.0"
+        "phpunit/phpunit": "^7",
+        "friendsofphp/php-cs-fixer": "^2"
     },
     "suggest": {
         "ext-iconv": "To handle non UTF-8 CSV files (if \"php-intl\" is not already installed or is too limited)",
@@ -31,7 +31,7 @@
     },
     "extra": {
         "branch-alias": {
-            "dev-master": "2.8.x-dev"
+            "dev-master": "3.1.x-dev"
         }
     }