Feature/Upgrade Contracts (#6)

- Removed support for PHP 7.4.
- Fixed return type for ArrayValue::offsetGet.

Author: othercodes

.github/workflows/test.yml

@@ -13,7 +13,7 @@ jobs:
 
     strategy:
       matrix:
-        php-version: [ 7.4, 8.0, 8.1 ]
+        php-version: [ "8.0", "8.1" ]
 
     steps:
       - name: Checkout source code

composer.json

@@ -11,14 +11,14 @@
   ],
   "minimum-stability": "stable",
   "require": {
-    "php": "^7.4|^8.0",
+    "php": "^8.0",
     "ext-json": "*",
     "ramsey/uuid": "^4.1",
     "nesbot/carbon": "^2.40",
     "illuminate/collections": "^8.20",
     "lambdish/phunctional": "^2.1",
     "doctrine/instantiator": "^1.4",
-    "complex-heart/contracts": "^0.1.0"
+    "complex-heart/contracts": "^1.0.0"
   },
   "require-dev": {
     "mockery/mockery": "^1.4",

src/ValueObjects/ArrayValue.php

@@ -149,7 +149,7 @@ public function offsetExists($offset): bool
      * @param  mixed  $offset
      * @return mixed|null
      */
-    public function offsetGet($offset)
+    public function offsetGet($offset): mixed
     {
         return $this->offsetExists($offset)
             ? $this->value[$offset]