Validators::isEmail: Add check for DNS nameservers.

.github/workflows/coding-style.yml

@@ -10,7 +10,7 @@ jobs:
             - uses: actions/checkout@v2
             - uses: shivammathur/setup-php@v2
               with:
-                  php-version: 7.4
+                  php-version: 8.0
                   coverage: none
 
             - run: composer create-project nette/code-checker temp/code-checker ^3 --no-progress

.github/workflows/static-analysis.yml

@@ -13,7 +13,7 @@ jobs:
             - uses: actions/checkout@v2
             - uses: shivammathur/setup-php@v2
               with:
-                  php-version: 7.4
+                  php-version: 8.0
                   coverage: none
 
             - run: composer install --no-progress --prefer-dist

.github/workflows/tests.yml

@@ -8,7 +8,7 @@ jobs:
         strategy:
             matrix:
                 os: [ubuntu-latest, windows-latest, macOS-latest]
-                php: ['7.2', '7.3', '7.4', '8.0', '8.1']
+                php: ['8.0', '8.1']
 
             fail-fast: false
 
@@ -37,7 +37,7 @@ jobs:
             - uses: actions/checkout@v2
             - uses: shivammathur/setup-php@v2
               with:
-                  php-version: 7.4
+                  php-version: 8.0
                   extensions: iconv, json, mbstring, xml, gd, intl, tokenizer
                   coverage: none
 

composer.json

@@ -15,11 +15,11 @@
 		}
 	],
 	"require": {
-		"php": ">=7.2 <8.2"
+		"php": ">=8.0 <8.2"
 	},
 	"require-dev": {
-		"nette/tester": "~2.0",
-		"tracy/tracy": "^2.3",
+		"nette/tester": "^2.4",
+		"tracy/tracy": "^2.8",
 		"phpstan/phpstan": "^0.12"
 	},
 	"conflict": {
@@ -44,7 +44,7 @@
 	},
 	"extra": {
 		"branch-alias": {
-			"dev-master": "3.2-dev"
+			"dev-master": "4.0-dev"
 		}
 	}
 }

ecs.php

@@ -9,7 +9,7 @@
 
 
 return function (Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator $containerConfigurator): void {
-	$containerConfigurator->import(PRESET_DIR . '/php71.php');
+	$containerConfigurator->import(PRESET_DIR . '/php80.php');
 
 	$parameters = $containerConfigurator->parameters();
 

readme.md

@@ -39,6 +39,7 @@ The recommended way to install is via Composer:
 composer require nette/utils
 ```
 
+- Nette Utils 4.0 is compatible with PHP 8.0 to 8.1
 - Nette Utils 3.2 is compatible with PHP 7.2 to 8.1
 - Nette Utils 3.1 is compatible with PHP 7.1 to 8.0
 - Nette Utils 3.0 is compatible with PHP 7.1 to 8.0

src/Iterators/CachingIterator.php

@@ -28,8 +28,7 @@ class CachingIterator extends \CachingIterator implements \Countable
 {
 	use Nette\SmartObject;
 
-	/** @var int */
-	private $counter = 0;
+	private int $counter = 0;
 
 
 	public function __construct($iterator)
@@ -47,7 +46,7 @@ public function __construct($iterator)
 		} elseif ($iterator instanceof \Traversable) {
 			$iterator = new \IteratorIterator($iterator);
 		} else {
-			throw new Nette\InvalidArgumentException(sprintf('Invalid argument passed to %s; array or Traversable expected, %s given.', self::class, is_object($iterator) ? get_class($iterator) : gettype($iterator)));
+			throw new Nette\InvalidArgumentException(sprintf('Invalid argument passed to %s; array or Traversable expected, %s given.', self::class, is_object($iterator) ? $iterator::class : gettype($iterator)));
 		}
 
 		parent::__construct($iterator, 0);
@@ -147,19 +146,17 @@ public function rewind(): void
 
 	/**
 	 * Returns the next key.
-	 * @return mixed
 	 */
-	public function getNextKey()
+	public function getNextKey(): mixed
 	{
 		return $this->getInnerIterator()->key();
 	}
 
 
 	/**
 	 * Returns the next element.
-	 * @return mixed
 	 */
-	public function getNextValue()
+	public function getNextValue(): mixed
 	{
 		return $this->getInnerIterator()->current();
 	}

src/Iterators/Mapper.php

@@ -27,8 +27,7 @@ public function __construct(\Traversable $iterator, callable $callback)
 	}
 
 
-	#[\ReturnTypeWillChange]
-	public function current()
+	public function current(): mixed
 	{
 		return ($this->callback)(parent::current(), parent::key());
 	}

src/SmartObject.php

@@ -24,7 +24,7 @@ trait SmartObject
 	/**
 	 * @throws MemberAccessException
 	 */
-	public function __call(string $name, array $args)
+	public function __call(string $name, array $args): mixed
 	{
 		$class = static::class;
 
@@ -37,27 +37,26 @@ public function __call(string $name, array $args)
 			} elseif ($handlers !== null) {
 				throw new UnexpectedValueException("Property $class::$$name must be iterable or null, " . gettype($handlers) . ' given.');
 			}
-
-		} else {
-			ObjectHelpers::strictCall($class, $name);
+			return null;
 		}
+
+		ObjectHelpers::strictCall($class, $name);
 	}
 
 
 	/**
 	 * @throws MemberAccessException
 	 */
-	public static function __callStatic(string $name, array $args)
+	public static function __callStatic(string $name, array $args): mixed
 	{
 		ObjectHelpers::strictStaticCall(static::class, $name);
 	}
 
 
 	/**
-	 * @return mixed
 	 * @throws MemberAccessException if the property is not defined.
 	 */
-	public function &__get(string $name)
+	public function &__get(string $name): mixed
 	{
 		$class = static::class;
 
@@ -79,11 +78,9 @@ public function &__get(string $name)
 
 
 	/**
-	 * @param  mixed  $value
-	 * @return void
 	 * @throws MemberAccessException if the property is not defined or is read-only
 	 */
-	public function __set(string $name, $value)
+	public function __set(string $name, mixed $value): void
 	{
 		$class = static::class;
 
@@ -103,10 +100,9 @@ public function __set(string $name, $value)
 
 
 	/**
-	 * @return void
 	 * @throws MemberAccessException
 	 */
-	public function __unset(string $name)
+	public function __unset(string $name): void
 	{
 		$class = static::class;
 		if (!ObjectHelpers::hasProperty($class, $name)) {

src/StaticClass.php

@@ -27,10 +27,9 @@ final public function __construct()
 
 	/**
 	 * Call to undefined static method.
-	 * @return void
 	 * @throws MemberAccessException
 	 */
-	public static function __callStatic(string $name, array $args)
+	public static function __callStatic(string $name, array $args): void
 	{
 		Utils\ObjectHelpers::strictStaticCall(static::class, $name);
 	}

src/Translator.php

@@ -17,10 +17,8 @@ interface Translator
 {
 	/**
 	 * Translates the given string.
-	 * @param  mixed  $message
-	 * @param  mixed  ...$parameters
 	 */
-	function translate($message, ...$parameters): string;
+	function translate(mixed $message, mixed ...$parameters): string;
 }
 
 

src/Utils/ArrayHash.php

@@ -21,9 +21,8 @@ class ArrayHash extends \stdClass implements \ArrayAccess, \Countable, \Iterator
 	/**
 	 * Transforms array to ArrayHash.
 	 * @param  array<T>  $array
-	 * @return static
 	 */
-	public static function from(array $array, bool $recursive = true)
+	public static function from(array $array, bool $recursive = true): static
 	{
 		$obj = new static;
 		foreach ($array as $key => $value) {
@@ -73,8 +72,7 @@ public function offsetSet($key, $value): void
 	 * @param  string|int  $key
 	 * @return T
 	 */
-	#[\ReturnTypeWillChange]
-	public function offsetGet($key)
+	public function offsetGet($key): mixed
 	{
 		return $this->$key;
 	}

src/Utils/ArrayList.php

@@ -20,16 +20,14 @@ class ArrayList implements \ArrayAccess, \Countable, \IteratorAggregate
 {
 	use Nette\SmartObject;
 
-	/** @var mixed[] */
-	private $list = [];
+	private array $list = [];
 
 
 	/**
 	 * Transforms array to ArrayList.
 	 * @param  array<T>  $array
-	 * @return static
 	 */
-	public static function from(array $array)
+	public static function from(array $array): static
 	{
 		if (!Arrays::isList($array)) {
 			throw new Nette\InvalidArgumentException('Array is not valid list.');
@@ -85,8 +83,7 @@ public function offsetSet($index, $value): void
 	 * @return T
 	 * @throws Nette\OutOfRangeException
 	 */
-	#[\ReturnTypeWillChange]
-	public function offsetGet($index)
+	public function offsetGet($index): mixed
 	{
 		if (!is_int($index) || $index < 0 || $index >= count($this->list)) {
 			throw new Nette\OutOfRangeException('Offset invalid or out of range');
@@ -123,7 +120,7 @@ public function offsetUnset($index): void
 	 * Prepends a item.
 	 * @param  T  $value
 	 */
-	public function prepend($value): void
+	public function prepend(mixed $value): void
 	{
 		$first = array_slice($this->list, 0, 1);
 		$this->offsetSet(0, $value);