Apply PHP 7.4 syntax and typed property

src/Filesystem.php

@@ -80,20 +80,15 @@ final class Filesystem extends AbstractAdapter implements
     /**
      * An identity for the last filespec
      * (cache directory + namespace prefix + key + directory level)
-     *
-     * @var string
      */
-    private $lastFileSpecId = '';
+    private string $lastFileSpecId = '';
 
     /**
      * The last used filespec
-     *
-     * @var string
      */
-    private $lastFileSpec = '';
+    private string $lastFileSpec = '';
 
-    /** @var FilesystemInteractionInterface */
-    private $filesystem;
+    private FilesystemInteractionInterface $filesystem;
 
     /**
      * @param  null|array|Traversable|AdapterOptions $options
@@ -106,10 +101,10 @@ public function __construct($options = null, ?FilesystemInteractionInterface $fi
 
         // clean total space buffer on change cache_dir
         $events     = $this->getEventManager();
-        $handle     = function (): void {
+        $handle     = static function (): void {
         };
         $totalSpace = &$this->totalSpace;
-        $callback   = function ($event) use (&$events, &$handle, &$totalSpace) {
+        $callback   = static function ($event) use (&$events, &$handle, &$totalSpace): void {
             $params = $event->getParams();
             if (isset($params['cache_dir'])) {
                 $totalSpace = null;
@@ -1298,7 +1293,7 @@ protected function internalGetCapabilities()
             );
 
             // update capabilities on change options
-            $this->getEventManager()->attach('option', function ($event) use ($capabilities, $marker) {
+            $this->getEventManager()->attach('option', static function ($event) use ($capabilities, $marker): void {
                 $params = $event->getParams();
 
                 if (isset($params['namespace_separator'])) {

src/Filesystem/Exception/MetadataException.php

@@ -17,8 +17,7 @@ final class MetadataException extends RuntimeException
     public const METADATA_MTIME    = Filesystem::METADATA_MTIME;
     public const METADATA_FILESIZE = Filesystem::METADATA_FILESIZE;
 
-    /** @var ErrorException */
-    private $error;
+    private ErrorException $error;
 
     /**
      * @psalm-param MetadataException::METADATA_* $metadata

src/Filesystem/Exception/UnlinkException.php

@@ -11,8 +11,7 @@
 
 final class UnlinkException extends RuntimeException
 {
-    /** @var ErrorException */
-    private $error;
+    private ErrorException $error;
 
     public function __construct(string $path, ErrorException $error)
     {

src/FilesystemIterator.php

@@ -5,6 +5,7 @@
 namespace Laminas\Cache\Storage\Adapter;
 
 use GlobIterator;
+use Laminas\Cache\Storage\Adapter\Filesystem;
 use Laminas\Cache\Storage\IteratorInterface;
 use ReturnTypeWillChange;
 
@@ -15,38 +16,28 @@ final class FilesystemIterator implements IteratorInterface
 {
     /**
      * The Filesystem storage instance
-     *
-     * @var Filesystem
      */
-    protected $storage;
+    protected Filesystem $storage;
 
     /**
      * The iterator mode
-     *
-     * @var int
      */
-    protected $mode = IteratorInterface::CURRENT_AS_KEY;
+    protected int $mode = IteratorInterface::CURRENT_AS_KEY;
 
     /**
      * The GlobIterator instance
-     *
-     * @var GlobIterator
      */
-    protected $globIterator;
+    protected GlobIterator $globIterator;
 
     /**
      * The namespace sprefix
-     *
-     * @var string
      */
-    protected $prefix;
+    protected string $prefix;
 
     /**
      * String length of namespace prefix
-     *
-     * @var int
      */
-    protected $prefixLength;
+    protected int $prefixLength;
 
     /**
      * Constructor

src/FilesystemOptions.php

@@ -7,6 +7,7 @@
 use Laminas\Cache\Exception;
 use Traversable;
 
+use function assert;
 use function is_dir;
 use function is_readable;
 use function is_string;
@@ -28,23 +29,19 @@ final class FilesystemOptions extends AdapterOptions
     /**
      * Directory to store cache files
      *
-     * @var string The cache directory
+     * @var string|null The cache directory
      */
-    private $cacheDir;
+    private ?string $cacheDir = null;
 
     /**
      * Call clearstatcache enabled?
-     *
-     * @var bool
      */
-    private $clearStatCache = true;
+    private bool $clearStatCache = true;
 
     /**
      * How much sub-directaries should be created?
-     *
-     * @var int
      */
-    private $dirLevel = 1;
+    private int $dirLevel = 1;
 
     /**
      * Permission creating new directories
@@ -55,10 +52,8 @@ final class FilesystemOptions extends AdapterOptions
 
     /**
      * Lock files on writing
-     *
-     * @var bool
      */
-    private $fileLocking = true;
+    private bool $fileLocking = true;
 
     /**
      * Permission creating new files
@@ -76,24 +71,18 @@ final class FilesystemOptions extends AdapterOptions
 
     /**
      * Namespace separator
-     *
-     * @var string
      */
-    private $namespaceSeparator = '-';
+    private string $namespaceSeparator = '-';
 
     /**
      * Don't get 'fileatime' as 'atime' on metadata
-     *
-     * @var bool
      */
-    private $noAtime = true;
+    private bool $noAtime = true;
 
     /**
      * Don't get 'filectime' as 'ctime' on metadata
-     *
-     * @var bool
      */
-    private $noCtime = true;
+    private bool $noCtime = true;
 
     /**
      * Umask to create files and directories
@@ -104,17 +93,13 @@ final class FilesystemOptions extends AdapterOptions
 
     /**
      * Suffix for cache files
-     *
-     * @var string
      */
-    private $suffix = 'dat';
+    private string $suffix = 'dat';
 
     /**
      * Suffix for tag files
-     *
-     * @var string
      */
-    private $tagSuffix = 'tag';
+    private string $tagSuffix = 'tag';
 
     /**
      * @param  array|Traversable|null $options
@@ -137,8 +122,8 @@ public function __construct($options = null)
      */
     public function setCacheDir(?string $cacheDir): self
     {
-        $cacheDir = $cacheDir ?? sys_get_temp_dir();
-        $cacheDir = $this->normalizeCacheDirectory($cacheDir);
+        $cacheDir ??= sys_get_temp_dir();
+        $cacheDir   = $this->normalizeCacheDirectory($cacheDir);
 
         if ($this->cacheDir === $cacheDir) {
             return $this;
@@ -151,6 +136,8 @@ public function setCacheDir(?string $cacheDir): self
 
     public function getCacheDir(): string
     {
+        assert(is_string($this->cacheDir));
+
         return $this->cacheDir;
     }
 

test/integration/Psr/SimpleCache/FilesystemIntegrationTest.php

@@ -10,6 +10,7 @@
 use Laminas\Cache\Storage\StorageInterface;
 use LaminasTest\Cache\Storage\Adapter\AbstractSimpleCacheIntegrationTest;
 
+use function assert;
 use function getenv;
 use function mkdir;
 use function sys_get_temp_dir;
@@ -25,8 +26,7 @@ class FilesystemIntegrationTest extends AbstractSimpleCacheIntegrationTest
     /** @var int */
     protected $umask;
 
-    /** @var FilesystemOptions */
-    private $options;
+    private ?FilesystemOptions $options = null;
 
     protected function setUp(): void
     {
@@ -52,6 +52,8 @@ protected function tearDown(): void
             $this->fail('Umask was not reset');
         }
 
+        assert($this->options instanceof FilesystemOptions);
+
         if ($this->options->getCacheDir() !== $this->tmpCacheDir) {
             $this->options->setCacheDir($this->tmpCacheDir);
         }

test/unit/Filesystem/AdapterPluginManagerDelegatorFactoryTest.php

@@ -13,8 +13,7 @@ final class AdapterPluginManagerDelegatorFactoryTest extends TestCase
 {
     use PluginManagerDelegatorFactoryTestTrait;
 
-    /** @var AdapterPluginManagerDelegatorFactory */
-    private $delegator;
+    private AdapterPluginManagerDelegatorFactory $delegator;
 
     public function getCommonAdapterNamesProvider(): iterable
     {

test/unit/Filesystem/ConfigProviderTest.php

@@ -11,8 +11,7 @@
 
 final class ConfigProviderTest extends TestCase
 {
-    /** @var ConfigProvider */
-    private $provider;
+    private ConfigProvider $provider;
 
     protected function setUp(): void
     {

test/unit/Filesystem/ModuleTest.php

@@ -10,8 +10,7 @@
 
 final class ModuleTest extends TestCase
 {
-    /** @var Module */
-    private $module;
+    private Module $module;
 
     protected function setUp(): void
     {

test/unit/Filesystem/TestAsset/DelayedFilesystemInteraction.php

@@ -11,14 +11,10 @@
 
 final class DelayedFilesystemInteraction implements FilesystemInteractionInterface
 {
-    /** @var FilesystemInteractionInterface */
-    private $filesystem;
-
-    /**
-     * @var int
-     * @psalm-var positive-int
-     */
-    private $delay;
+    private FilesystemInteractionInterface $filesystem;
+
+    /** @psalm-var positive-int */
+    private int $delay;
 
     /** @psalm-param positive-int $delay */
     public function __construct(int $delay)

test/unit/FilesystemTest.php

@@ -39,11 +39,9 @@
  */
 final class FilesystemTest extends AbstractCommonAdapterTest
 {
-    /** @var string */
-    protected $tmpCacheDir;
+    protected string $tmpCacheDir;
 
-    /** @var int */
-    protected $umask;
+    protected int $umask;
 
     protected function setUp(): void
     {