droped support for older PHPStan versions - 0.12 is required now

Author: marc-mabe

composer.json

@@ -7,7 +7,7 @@
     "require": {
         "php": "~7.1",
         "marc-mabe/php-enum": "^1.0 || ^2.0 || ^3.0 || ^4.0",
-        "phpstan/phpstan": "^0.10 || ^0.11 || ^0.12"
+        "phpstan/phpstan": "^0.12"
     },
     "require-dev": {
         "phpunit/phpunit": "^7.5"

src/EnumMethodReflection.php

@@ -63,25 +63,15 @@ public function getPrototype(): ClassMemberReflection
 
     public function getVariants(): array
     {
-        if (true === (new \ReflectionClass(FunctionVariant::class))->hasMethod('getTemplateTypeMap')) {
-            return [
-                new FunctionVariant(
-                    TemplateTypeMap::createEmpty(),
-                    TemplateTypeMap::createEmpty(),
-                    [],
-                    false,
-                    new ObjectType($this->classReflection->getName())
-                ),
-            ];
-        } else {
-            return [
-                new FunctionVariant(
-                    [],
-                    false,
-                    new ObjectType($this->classReflection->getName())
-                ),
-            ];
-        }
+        return [
+            new FunctionVariant(
+                TemplateTypeMap::createEmpty(),
+                TemplateTypeMap::createEmpty(),
+                [],
+                false,
+                new ObjectType($this->classReflection->getName())
+            ),
+        ];
     }
 
     public function getDocComment(): ?string