Add PHP version constraint to Composer (#10)

peter279k · Bilge · commit de2f8a0987ff · 2018-02-22T10:56:35.000Z
Added PHP version constraint to Composer.
diff --git a/composer.json b/composer.json
@@ -8,6 +8,7 @@
     }
   ],
   "require": {
+    "php": ">=5.6",
     "phpunit/phpunit": "^5.5|^6"
   },
   "autoload": {
