Updated composer and travis

Author: lucasantarella

.travis.yml

@@ -1,4 +1,9 @@
 language: php
+sudo: false
+cache:
+  directories:
+    - $HOME/.composer/cache
+    - vendor
 php:
   - 5.4
   - 5.5
@@ -7,6 +12,9 @@ php:
   - 7.1
   - hhvm
   - nightly
-
+before_install:
+  - phpenv config-rm xdebug.ini || return 0
 install:
-  - composer install --no-interaction --dev
+  - composer install --no-interaction
+script:
+- vendor/bin/phpunit # This is implied, but just to be safe.

composer.json

@@ -14,10 +14,14 @@
   "authors": [
     {
       "name": "Luca Santarella",
-      "email": "[email protected]"
+      "email": "[email protected]",
+      "homepage": "https://www.lucasantarella.com"
     }
   ],
-  "require": {},
+  "homepage": "https://github.com/lucasantarella/php-array-keys-recursive",
+  "require": {
+    "php":">=5.4.0"
+  },
   "require-dev": {
     "phpunit/phpunit": "^4.0"
   },