diff --git a/src/Analysers/TokenScanner.php b/src/Analysers/TokenScanner.php
index 239a03018..d0baa0d83 100644
--- a/src/Analysers/TokenScanner.php
+++ b/src/Analysers/TokenScanner.php
@@ -34,25 +34,18 @@ protected function scanTokens(array $tokens): array
         $namespace = '';
         $currentName = null;
         $lastToken = null;
-        $curlyNested = 0;
         $stack = [];
 
         while (false !== ($token = $this->nextToken($tokens))) {
             if (!is_array($token)) {
                 switch ($token) {
                     case '{':
-                        ++$curlyNested;
+                        $stack[] = $token;
                         break;
                     case '}':
-                        --$curlyNested;
+                        array_pop($stack);
                         break;
                 }
-                if ($stack) {
-                    $last = array_pop($stack);
-                    if ($last[1] < $curlyNested) {
-                        $stack[] = $last;
-                    }
-                }
                 continue;
             }
             switch ($token[0]) {
@@ -79,6 +72,9 @@ protected function scanTokens(array $tokens): array
                     // unless ...
                     if (is_string($token) && ($token === '(' || $token === '{')) {
                         // new class[()] { ... }
+                        if ('{' == $token) {
+                            prev($tokens);
+                        }
                         break;
                     } elseif (is_array($token) && in_array($token[1], ['extends', 'implements'])) {
                         // new class[()] extends { ... }
@@ -87,22 +83,19 @@ protected function scanTokens(array $tokens): array
 
                     $isInterface = false;
                     $currentName = $namespace . '\\' . $token[1];
-                    $stack[] = [$currentName, $curlyNested];
                     $units[$currentName] = ['uses' => $uses, 'interfaces' => [], 'traits' => [], 'methods' => [], 'properties' => []];
                     break;
                 case T_INTERFACE:
                     $isInterface = true;
                     $token = $this->nextToken($tokens);
                     $currentName = $namespace . '\\' . $token[1];
-                    $stack[] = [$currentName, $curlyNested];
                     $units[$currentName] = ['uses' => $uses, 'interfaces' => [], 'traits' => [], 'methods' => [], 'properties' => []];
                     break;
                 case T_TRAIT:
                     $isInterface = false;
                     $token = $this->nextToken($tokens);
                     $currentName = $namespace . '\\' . $token[1];
-                    $this->skipTo($tokens, '{');
-                    $stack[] = [$currentName, $curlyNested++];
+                    $this->skipTo($tokens, '{', true);
                     $units[$currentName] = ['uses' => $uses, 'interfaces' => [], 'traits' => [], 'methods' => [], 'properties' => []];
                     break;
                 case T_EXTENDS:
@@ -123,24 +116,21 @@ protected function scanTokens(array $tokens): array
                 case T_FUNCTION:
                     $token = $this->nextToken($tokens);
 
-                    if (1 == count($stack)) {
-                        $name = $stack[0][0];
+                    if (1 == count($stack) && $currentName) {
                         if (!$isInterface) {
                             // more nesting
-                            $this->skipTo($tokens, '{');
-                            $stack[] = [$token[1], ++$curlyNested];
+                            $this->skipTo($tokens, '{', true);
                         } else {
                             // no function body
                             $this->skipTo($tokens, ';');
                         }
 
-                        $units[$name]['methods'][] = $token[1];
+                        $units[$currentName]['methods'][] = $token[1];
                     }
                     break;
                 case T_VARIABLE:
-                    if (1 == count($stack)) {
-                        $name = $stack[0][0];
-                        $units[$name]['properties'][] = substr($token[1], 1);
+                    if (1 == count($stack) && $currentName) {
+                        $units[$currentName]['properties'][] = substr($token[1], 1);
                     }
                     break;
             }
@@ -187,10 +177,14 @@ protected function resolveFQN(array $names, string $namespace, array $uses): arr
         return array_values(array_map($resolve, $names));
     }
 
-    protected function skipTo(array &$tokens, $char): void
+    protected function skipTo(array &$tokens, $char, bool $prev = false): void
     {
         while (false !== ($token = next($tokens))) {
             if (is_string($token) && $token == $char) {
+                if ($prev) {
+                    prev($tokens);
+                }
+
                 break;
             }
         }
diff --git a/tests/Analysers/TokenAnalyserTest.php b/tests/Analysers/TokenAnalyserTest.php
index e8d0c718b..87fd1aec1 100644
--- a/tests/Analysers/TokenAnalyserTest.php
+++ b/tests/Analysers/TokenAnalyserTest.php
@@ -7,6 +7,7 @@
 namespace OpenApi\Tests\Analysers;
 
 use OpenApi\Analysis;
+use OpenApi\Annotations\Info;
 use OpenApi\Annotations\Property;
 use OpenApi\Annotations\Schema;
 use OpenApi\Generator;
@@ -130,7 +131,7 @@ public function testThirdPartyAnnotations()
         $generator = new Generator();
         $analyser = new TokenAnalyser();
         $analyser->setGenerator($generator);
-        $defaultAnalysis = $analyser->fromFile(__DIR__ . '/../Fixtures/ThirdPartyAnnotations.php', $this->getContext());
+        $defaultAnalysis = $analyser->fromFile($this->fixture('ThirdPartyAnnotations.php'), $this->getContext());
         $this->assertCount(3, $defaultAnalysis->annotations, 'Only read the @OA annotations, skip the others.');
 
         // Allow the analyser to parse 3rd party annotations, which might
@@ -138,7 +139,7 @@ public function testThirdPartyAnnotations()
         $generator->addNamespace('AnotherNamespace\\Annotations\\');
         $openapi = $generator
             ->setAnalyser(new TokenAnalyser())
-            ->generate([__DIR__ . '/../Fixtures/ThirdPartyAnnotations.php']);
+            ->generate([$this->fixture('ThirdPartyAnnotations.php')]);
         $this->assertSame('api/3rd-party', $openapi->paths[0]->path);
         $this->assertCount(4, $openapi->_unmerged);
 
@@ -268,4 +269,13 @@ public function testPhp8NamedProperty()
         $this->assertCount(1, $properties);
         $this->assertEquals('labels', $properties[0]->property);
     }
+
+    public function testAnonymousFunctions()
+    {
+        $analysis = $this->analysisFromFixtures(['PHP/AnonymousFunctions.php'], [], new TokenAnalyser());
+        $analysis->process((new Generator())->getProcessors());
+
+        $infos = $analysis->getAnnotationsOfType(Info::class, true);
+        $this->assertCount(1, $infos);
+    }
 }
diff --git a/tests/Analysers/TokenScannerTest.php b/tests/Analysers/TokenScannerTest.php
index 2cd7df702..1b04d09d4 100644
--- a/tests/Analysers/TokenScannerTest.php
+++ b/tests/Analysers/TokenScannerTest.php
@@ -18,35 +18,35 @@ public function scanCases()
                 'Apis/DocBlocks/basic.php',
                 [
                     'OpenApi\\Tests\\Fixtures\\Apis\\DocBlocks\\OpenApiSpec' => [
-                        'uses' => ['OA' => 'OpenApi\Annotations'],
+                        'uses' => ['OA' => 'OpenApi\\Annotations'],
                         'interfaces' => [],
                         'traits' => [],
                         'methods' => [],
                         'properties' => [],
                     ],
                     'OpenApi\\Tests\\Fixtures\\Apis\\DocBlocks\\Product' => [
-                        'uses' => ['OA' => 'OpenApi\Annotations'],
+                        'uses' => ['OA' => 'OpenApi\\Annotations'],
                         'interfaces' => ['OpenApi\\Tests\\Fixtures\\Apis\\DocBlocks\\ProductInterface'],
                         'traits' => ['OpenApi\\Tests\\Fixtures\\Apis\\DocBlocks\\NameTrait'],
                         'methods' => [],
                         'properties' => ['id'],
                     ],
                     'OpenApi\\Tests\\Fixtures\\Apis\\DocBlocks\\ProductController' => [
-                        'uses' => ['OA' => 'OpenApi\Annotations'],
+                        'uses' => ['OA' => 'OpenApi\\Annotations'],
                         'interfaces' => [],
                         'traits' => [],
                         'methods' => ['getProduct', 'addProduct'],
                         'properties' => [],
                     ],
                     'OpenApi\\Tests\\Fixtures\\Apis\\DocBlocks\\ProductInterface' => [
-                        'uses' => ['OA' => 'OpenApi\Annotations'],
+                        'uses' => ['OA' => 'OpenApi\\Annotations'],
                         'interfaces' => [],
                         'traits' => [],
                         'methods' => [],
                         'properties' => [],
                     ],
                     'OpenApi\\Tests\\Fixtures\\Apis\\DocBlocks\\NameTrait' => [
-                        'uses' => ['OA' => 'OpenApi\Annotations'],
+                        'uses' => ['OA' => 'OpenApi\\Annotations'],
                         'interfaces' => [],
                         'traits' => [],
                         'methods' => [],
@@ -61,14 +61,14 @@ public function scanCases()
             'php8' => [
                 'PHP/php8.php',
                 [
-                    'OpenApi\\Tests\Fixtures\\PHP\\MethodAttr' => [
+                    'OpenApi\\Tests\\Fixtures\\PHP\\MethodAttr' => [
                         'uses' => [],
                         'interfaces' => [],
                         'traits' => [],
                         'methods' => [],
                         'properties' => [],
                     ],
-                    'OpenApi\Tests\\Fixtures\\PHP\\GenericAttr' => [
+                    'OpenApi\\Tests\\Fixtures\\PHP\\GenericAttr' => [
                         'uses' => [],
                         'interfaces' => [],
                         'traits' => [],
@@ -112,7 +112,7 @@ public function scanCases()
                 'CustomerInterface.php',
                 [
                     'OpenApi\\Tests\\Fixtures\\CustomerInterface' => [
-                        'uses' => ['OA' => 'OpenApi\Annotations'],
+                        'uses' => ['OA' => 'OpenApi\\Annotations'],
                         'interfaces' => [],
                         'traits' => [],
                         'methods' => ['firstname', 'secondname', 'thirdname', 'fourthname', 'lastname', 'tags', 'submittedBy', 'friends', 'bestFriend'],
@@ -151,7 +151,7 @@ public function scanCases()
                 'PHP/Php8NamedProperty.php',
                 [
                     'OpenApi\\Tests\\Fixtures\\PHP\\Php8NamedProperty' => [
-                        'uses' => ['Label' => 'OpenApi\Tests\Fixtures\PHP\Label'],
+                        'uses' => ['Label' => 'OpenApi\\Tests\\Fixtures\\PHP\\Label'],
                         'interfaces' => [],
                         'traits' => [],
                         'methods' => ['__construct'],
@@ -159,6 +159,18 @@ public function scanCases()
                     ],
                 ],
             ],
+            'AnonymousFunctions' => [
+                'PHP/AnonymousFunctions.php',
+                [
+                    'OpenApi\\Tests\\Fixtures\\PHP\\AnonymousFunctions' => [
+                        'uses' => ['Info' => 'OpenApi\\Annotations\\Info'],
+                        'interfaces' => [],
+                        'traits' => [],
+                        'methods' => ['index', 'query', 'other'],
+                        'properties' => [],
+                    ],
+                ],
+            ],
         ];
     }
 
diff --git a/tests/AnalysisTest.php b/tests/AnalysisTest.php
index 3121cd9c0..eb43b4eaa 100644
--- a/tests/AnalysisTest.php
+++ b/tests/AnalysisTest.php
@@ -18,15 +18,15 @@ public function testGetSubclasses()
 
         $this->assertCount(3, $analysis->classes, '3 classes should\'ve been detected');
 
-        $subclasses = $analysis->getSubClasses('\OpenApi\Tests\Fixtures\ExpandClasses\GrandAncestor');
+        $subclasses = $analysis->getSubClasses('\\OpenApi\\Tests\\Fixtures\\ExpandClasses\\GrandAncestor');
         $this->assertCount(2, $subclasses, 'GrandAncestor has 2 subclasses');
         $this->assertSame(
-            ['\OpenApi\Tests\Fixtures\ExpandClasses\Ancestor', '\AnotherNamespace\Child'],
+            ['\\OpenApi\\Tests\\Fixtures\\ExpandClasses\\Ancestor', '\\AnotherNamespace\\Child'],
             array_keys($subclasses)
         );
         $this->assertSame(
             ['\AnotherNamespace\Child'],
-            array_keys($analysis->getSubClasses('\OpenApi\Tests\Fixtures\ExpandClasses\Ancestor'))
+            array_keys($analysis->getSubClasses('\\OpenApi\\Tests\\Fixtures\\ExpandClasses\\Ancestor'))
         );
     }
 
diff --git a/tests/CommandlineInterfaceTest.php b/tests/CommandlineInterfaceTest.php
index 7fdc3c9c0..8c56611ed 100644
--- a/tests/CommandlineInterfaceTest.php
+++ b/tests/CommandlineInterfaceTest.php
@@ -15,7 +15,7 @@ protected function setUp(): void
 
     public function testStdout()
     {
-        $path = __DIR__ . '/../Examples/swagger-spec/petstore-simple';
+        $path = $this->example('swagger-spec/petstore-simple');
         exec(__DIR__ . '/../bin/openapi --format yaml ' . escapeshellarg($path) . ' 2> /dev/null', $output, $retval);
         $this->assertSame(0, $retval);
         $yaml = implode(PHP_EOL, $output);
@@ -24,7 +24,7 @@ public function testStdout()
 
     public function testOutputTofile()
     {
-        $path = __DIR__ . '/../Examples/swagger-spec/petstore-simple';
+        $path = $this->example('swagger-spec/petstore-simple');
         $filename = sys_get_temp_dir() . '/swagger-php-clitest.yaml';
         exec(__DIR__ . '/../bin/openapi --format yaml -o ' . escapeshellarg($filename) . ' ' . escapeshellarg($path) . ' 2> /dev/null', $output, $retval);
         $this->assertSame(0, $retval);
@@ -36,14 +36,14 @@ public function testOutputTofile()
 
     public function testAddProcessor()
     {
-        $path = __DIR__ . '/../Examples/swagger-spec/petstore-simple';
+        $path = $this->example('swagger-spec/petstore-simple');
         exec(__DIR__ . '/../bin/openapi --processor OperationId --format yaml ' . escapeshellarg($path) . ' 2> /dev/null', $output, $retval);
         $this->assertSame(0, $retval);
     }
 
     public function testExcludeListWarning()
     {
-        $path = __DIR__ . '/../Examples/swagger-spec/petstore-simple';
+        $path = $this->example('swagger-spec/petstore-simple');
         exec(__DIR__ . '/../bin/openapi -e foo,bar ' . escapeshellarg($path) . ' 2>&1', $output, $retval);
         $this->assertSame(1, $retval);
         $output = implode(PHP_EOL, $output);
@@ -52,7 +52,7 @@ public function testExcludeListWarning()
 
     public function testMissingArg()
     {
-        $path = __DIR__ . '/../Examples/swagger-spec/petstore-simple';
+        $path = $this->example('swagger-spec/petstore-simple');
         exec(__DIR__ . '/../bin/openapi ' . escapeshellarg($path) . ' -e 2>&1', $output, $retval);
         $this->assertSame(1, $retval);
         $output = implode(PHP_EOL, $output);
diff --git a/tests/ContextTest.php b/tests/ContextTest.php
index d366ecb3a..18818b095 100644
--- a/tests/ContextTest.php
+++ b/tests/ContextTest.php
@@ -17,11 +17,11 @@ public function testDetect()
         $context = Context::detect();
         $line = __LINE__ - 1;
         $this->assertSame('ContextTest', $context->class);
-        $this->assertSame('\OpenApi\Tests\ContextTest', $context->fullyQualifiedName($context->class));
+        $this->assertSame('\\OpenApi\\Tests\\ContextTest', $context->fullyQualifiedName($context->class));
         $this->assertSame('testDetect', $context->method);
         $this->assertSame(__FILE__, $context->filename);
         $this->assertSame($line, $context->line);
-        $this->assertSame('OpenApi\Tests', $context->namespace);
+        $this->assertSame('OpenApi\\Tests', $context->namespace);
     }
 
     public function testFullyQualifiedName()
@@ -29,7 +29,7 @@ public function testFullyQualifiedName()
         $this->assertOpenApiLogEntryContains('Required @OA\PathItem() not found');
         $openapi = (new Generator($this->getTrackingLogger()))
             ->setAnalyser(new TokenAnalyser())
-            ->generate([__DIR__ . '/Fixtures/Customer.php']);
+            ->generate([$this->fixture('Customer.php')]);
         $context = $openapi->components->schemas[0]->_context;
         // resolve with namespace
         $this->assertSame('\FullyQualified', $context->fullyQualifiedName('\FullyQualified'));
diff --git a/tests/ExamplesTest.php b/tests/ExamplesTest.php
index 84d621897..e5105232f 100644
--- a/tests/ExamplesTest.php
+++ b/tests/ExamplesTest.php
@@ -56,13 +56,13 @@ public function exampleMappings()
     public function testExamples($example, $spec, $analyser)
     {
         // register autoloader for examples that require autoloading due to inheritance, etc.
-        $path = __DIR__ . '/../Examples/' . $example;
+        $path = $this->example($example);
         $exampleNS = str_replace(' ', '', ucwords(str_replace(['-', '.'], ' ', $example)));
         $classloader = new ClassLoader();
         $classloader->addPsr4('OpenApi\\Examples\\' . $exampleNS . '\\', $path);
         $classloader->register();
 
-        $path = __DIR__ . '/../Examples/' . $example;
+        $path = $this->example($example);
         $openapi = (new Generator())
             ->setAnalyser($analyser)
             ->generate([$path], null, true);
diff --git a/tests/Fixtures/PHP/AnonymousFunctions.php b/tests/Fixtures/PHP/AnonymousFunctions.php
new file mode 100644
index 000000000..c7e9eafd9
--- /dev/null
+++ b/tests/Fixtures/PHP/AnonymousFunctions.php
@@ -0,0 +1,43 @@
+<?php declare(strict_types=1);
+
+/**
+ * @license Apache 2.0
+ */
+
+namespace OpenApi\Tests\Fixtures\PHP;
+
+use OpenApi\Annotations\Info;
+
+/**
+ * @OA\Info(title="Foobar", version="1.0")
+ */
+class AnonymousFunctions
+{
+    public function index()
+    {
+        array_map(function ($item) {
+            return '';
+        }, []);
+    }
+
+    protected function query()
+    {
+        return new class() {
+            public function leftJoin(string $foo, callable $callback) {
+                return $this;
+            }
+        };
+    }
+
+    public function other()
+    {
+        return $this->query()
+            ->leftJoin('foo', function ($join) {
+                $join->on('user.foo_id', 'foo.id');
+            })
+            ->leftJoin('bar', function ($join) {
+                $join->on('user.bar_id', 'bar.id');
+            })
+            ->get();
+    }
+}
diff --git a/tests/GeneratorTest.php b/tests/GeneratorTest.php
index c982356e5..3bf552779 100644
--- a/tests/GeneratorTest.php
+++ b/tests/GeneratorTest.php
@@ -14,11 +14,9 @@
 
 class GeneratorTest extends OpenApiTestCase
 {
-    const SOURCE_DIR = __DIR__ . '/../Examples/swagger-spec/petstore-simple';
-
-    public function sourcesProvider()
+    public function sourcesProvider(): iterable
     {
-        $sourceDir = self::SOURCE_DIR;
+        $sourceDir = $this->example('swagger-spec/petstore-simple');
 
         yield 'dir-list' => [$sourceDir, [$sourceDir]];
         yield 'file-list' => [$sourceDir, ["$sourceDir/SimplePet.php", "$sourceDir/SimplePetsController.php", "$sourceDir/api.php"]];
@@ -38,7 +36,7 @@ public function testScan(string $sourceDir, iterable $sources)
         $this->assertSpecEquals(file_get_contents(sprintf('%s/%s.yaml', $sourceDir, basename($sourceDir))), $openapi);
     }
 
-    public function processorCases()
+    public function processorCases(): iterable
     {
         return [
             [new OperationId(false), false],
diff --git a/tests/OpenApiTestCase.php b/tests/OpenApiTestCase.php
index 5c58f2376..093ada315 100644
--- a/tests/OpenApiTestCase.php
+++ b/tests/OpenApiTestCase.php
@@ -182,6 +182,11 @@ protected function createOpenApiWithInfo(): OpenApi
         ]);
     }
 
+    public function example(string $name): string
+    {
+        return __DIR__ . '/../Examples/' . $name;
+    }
+
     public function fixture(string $file): ?string
     {
         $fixtures = $this->fixtures([$file]);
@@ -198,7 +203,7 @@ public function fixtures(array $files): array
     {
         return array_map(function ($file) {
             return __DIR__ . '/Fixtures/' . $file;
-        }, (array) $files);
+        }, $files);
     }
 
     public function analysisFromFixtures(array $files, array $processors = [], ?AnalyserInterface $analyzer = null): Analysis
diff --git a/tests/SerializerTest.php b/tests/SerializerTest.php
index 5d83f6036..7d367bab6 100644
--- a/tests/SerializerTest.php
+++ b/tests/SerializerTest.php
@@ -149,7 +149,7 @@ public function testDeserializeAnnotation()
     public function testPetstoreExample()
     {
         $serializer = new Serializer();
-        $spec = __DIR__ . '/../Examples/petstore.swagger.io/petstore.swagger.io.json';
+        $spec = $this->example('petstore.swagger.io/petstore.swagger.io.json');
         $openapi = $serializer->deserializeFile($spec);
         $this->assertInstanceOf(OpenApi::class, $openapi);
         $this->assertJsonStringEqualsJsonString(file_get_contents($spec), $openapi->toJson());
diff --git a/tests/UtilTest.php b/tests/UtilTest.php
index 341542f48..2316950bb 100644
--- a/tests/UtilTest.php
+++ b/tests/UtilTest.php
@@ -33,7 +33,7 @@ public function testExclude()
         ];
         $openapi = (new Generator())
             ->setAnalyser(new TokenAnalyser())
-            ->generate(Util::finder(__DIR__ . '/Fixtures', $exclude));
+            ->generate(Util::finder($this->fixture(''), $exclude));
         $this->assertSame('Fixture for ParserTest', $openapi->info->title, 'No errors about duplicate @OA\Info() annotations');
     }
 
@@ -50,10 +50,10 @@ public function testRefDecode()
     public function testFinder()
     {
         // Create a finder for one of the example directories that has a subdirectory.
-        $finder = (new Finder())->in(__DIR__ . '/../Examples/using-traits');
+        $finder = (new Finder())->in($this->example('using-traits'));
         $this->assertGreaterThan(0, iterator_count($finder), 'There should be at least a few files and a directory.');
         $finder_array = \iterator_to_array($finder);
-        $directory_path = __DIR__ . '/../Examples/using-traits/Decoration';
+        $directory_path = $this->example('using-traits/Decoration');
         $this->assertArrayHasKey($directory_path, $finder_array, 'The directory should be a path in the finder.');
         // Use the Util method that should set the finder to only find files, since swagger-php only needs files.
         $finder_result = Util::finder($finder);