Added phpstan.

Author: CraicOverflow89

composer.json

@@ -22,6 +22,7 @@
     },
     "require-dev": {
         "phpunit/phpunit": "^7.5 || ^8.4",
-        "friendsofphp/php-cs-fixer": "^2.15"
+        "friendsofphp/php-cs-fixer": "^2.15",
+        "phpstan/phpstan": "^0.12.83"
     }
 }

phpstan.neon

@@ -0,0 +1,8 @@
+parameters:
+    paths:
+        - app
+    level: 5
+    ignoreErrors:
+        - '#Result of function abort \(void\) is used\.#'
+        - '#Method App\\Exceptions\\Handler::render\(\) should return Illuminate\\Http\\Response but returns Symfony\\Component\\HttpFoundation\\Response\.#'
+