Merge pull request #178 from mmachatschek/support_php8

[3.x] Support PHP 8

Author: driesvints

composer.json

@@ -10,7 +10,7 @@
         }
     ],
     "require": {
-        "php": "^7.3",
+        "php": "^7.3|^8.0",
         "illuminate/console": "^8.0",
         "illuminate/filesystem": "^8.0",
         "illuminate/support": "^8.0"