Dumper: print enum case directly in toPhp() (#457)

Author: vojtech-dobes

src/Framework/Dumper.php

@@ -182,9 +182,14 @@ private static function _toPhp(mixed &$var, array &$list = [], int $level = 0, i
 				return "/* Anonymous class defined in file {$rc->getFileName()} on line {$rc->getStartLine()} */";
 			}
 
+			$class = $var::class;
+
+			if ($var instanceof \UnitEnum) {
+				return "$class::{$var->name}";
+			}
+
 			$arr = (array) $var;
 			$space = str_repeat("\t", $level);
-			$class = $var::class;
 			$used = &$list[spl_object_hash($var)];
 
 			if (empty($arr)) {

tests/Framework/Dumper.toPhp.enum.phpt

@@ -0,0 +1,29 @@
+<?php
+
+/**
+ * @phpVersion 8.1
+ */
+
+declare(strict_types=1);
+
+use Tester\Assert;
+use Tester\Dumper;
+
+require __DIR__ . '/../bootstrap.php';
+
+
+enum Enum
+{
+	case A;
+	case B;
+}
+
+
+Assert::match('Enum::A', Dumper::toPhp(Enum::A));
+Assert::match('Enum::B', Dumper::toPhp(Enum::B));
+
+
+Assert::match("[Enum::A, Enum::A]", Dumper::toPhp([
+	Enum::A,
+	Enum::A,
+]));