Bring PHP requirement into line with Laravel. If using an older version use v1.1.4 of this package.

Author: petercoles

composer.json

@@ -16,7 +16,7 @@
       "issues": "https://github.com/petercoles/multilingual-language-list/issues"
   },
   "require": {
-    "php": ">=5.6.0",
+    "php": "^7.2",
     "illuminate/support": "~5|~6"
   },
   "require-dev": {