✨ typed properties!

src/Data/AlphaNum.php

@@ -19,15 +19,9 @@ use chillerlan\QRCode\QRCode;
  */
 class AlphaNum extends QRDataAbstract{
 
-	/**
-	 * @inheritdoc
-	 */
-	protected $datamode = QRCode::DATA_ALPHANUM;
+	protected int $datamode = QRCode::DATA_ALPHANUM;
 
-	/**
-	 * @inheritdoc
-	 */
-	protected $lengthBits = [9, 11, 13];
+	protected array $lengthBits = [9, 11, 13];
 
 	/**
 	 * @inheritdoc

src/Data/Byte.php

@@ -19,15 +19,9 @@ use chillerlan\QRCode\QRCode;
  */
 class Byte extends QRDataAbstract{
 
-	/**
-	 * @inheritdoc
-	 */
-	protected $datamode = QRCode::DATA_BYTE;
+	protected int $datamode = QRCode::DATA_BYTE;
 
-	/**
-	 * @inheritdoc
-	 */
-	protected $lengthBits = [8, 16, 16];
+	protected array $lengthBits = [8, 16, 16];
 
 	/**
 	 * @inheritdoc

src/Data/Kanji.php

@@ -19,15 +19,9 @@ use chillerlan\QRCode\QRCode;
  */
 class Kanji extends QRDataAbstract{
 
-	/**
-	 * @inheritdoc
-	 */
-	protected $datamode = QRCode::DATA_KANJI;
+	protected int $datamode = QRCode::DATA_KANJI;
 
-	/**
-	 * @inheritdoc
-	 */
-	protected $lengthBits = [8, 10, 12];
+	protected array $lengthBits = [8, 10, 12];
 
 	/**
 	 * @inheritdoc

src/Data/MaskPatternTester.php

@@ -19,15 +19,9 @@ namespace chillerlan\QRCode\Data;
  */
 class MaskPatternTester{
 
-	/**
-	 * @var \chillerlan\QRCode\Data\QRMatrix
-	 */
-	protected $matrix;
+	protected QRMatrix $matrix;
 
-	/**
-	 * @var int
-	 */
-	protected $moduleCount;
+	protected int $moduleCount;
 
 	/**
 	 * Receives the matrix an sets the module count

src/Data/Number.php

@@ -19,15 +19,9 @@ use chillerlan\QRCode\QRCode;
  */
 class Number extends QRDataAbstract{
 
-	/**
-	 * @inheritdoc
-	 */
-	protected $datamode = QRCode::DATA_NUMBER;
+	protected int $datamode = QRCode::DATA_NUMBER;
 
-	/**
-	 * @inheritdoc
-	 */
-	protected $lengthBits = [10, 12, 14];
+	protected array $lengthBits = [10, 12, 14];
 
 	/**
 	 * @inheritdoc

src/Data/QRDataAbstract.php

@@ -23,62 +23,43 @@ abstract class QRDataAbstract implements QRDataInterface{
 
 	/**
 	 * the string byte count
-	 *
-	 * @var int
 	 */
-	protected $strlen;
+	protected ?int $strlen = null;
 
 	/**
 	 * the current data mode: Num, Alphanum, Kanji, Byte
-	 *
-	 * @var int
 	 */
-	protected $datamode;
+	protected int $datamode;
 
 	/**
 	 * mode length bits for the version breakpoints 1-9, 10-26 and 27-40
-	 *
-	 * @var array
 	 */
-	protected $lengthBits = [0, 0, 0];
+	protected array $lengthBits = [0, 0, 0];
 
 	/**
 	 * current QR Code version
-	 *
-	 * @var int
 	 */
-	protected $version;
+	protected int $version;
 
 	/**
 	 * the raw data that's being passed to QRMatrix::mapData()
-	 *
-	 * @var array
 	 */
-	protected $matrixdata;
+	protected array $matrixdata;
 
 	/**
 	 * ECC temp data
-	 *
-	 * @var array
 	 */
-	protected $ecdata;
+	protected array $ecdata;
 
 	/**
 	 * ECC temp data
-	 *
-	 * @var array
 	 */
-	protected $dcdata;
+	protected array $dcdata;
 
-	/**
-	 * @var \chillerlan\QRCode\QROptions
-	 */
-	protected $options;
+	/** @var \chillerlan\Settings\SettingsContainerInterface|\chillerlan\QRCode\QROptions */
+	protected SettingsContainerInterface $options;
 
-	/**
-	 * @var \chillerlan\QRCode\Helpers\BitBuffer
-	 */
-	protected $bitBuffer;
+	protected BitBuffer $bitBuffer;
 
 	/**
 	 * QRDataInterface constructor.

src/Data/QRMatrix.php

@@ -167,30 +167,15 @@ class QRMatrix{
 		],
 	];
 
-	/**
-	 * @var int
-	 */
-	protected $version;
+	protected int $version;
 
-	/**
-	 * @var int
-	 */
-	protected $eclevel;
+	protected int $eclevel;
 
-	/**
-	 * @var int
-	 */
-	protected $maskPattern = QRCode::MASK_PATTERN_AUTO;
+	protected int $maskPattern = QRCode::MASK_PATTERN_AUTO;
 
-	/**
-	 * @var int
-	 */
-	protected $moduleCount;
-
-	/**
-	 * @var mixed[]
-	 */
-	protected $matrix;
+	protected int $moduleCount;
+	/** @var mixed[] */
+	protected array $matrix;
 
 	/**
 	 * QRMatrix constructor.

src/Helpers/BitBuffer.php

@@ -14,15 +14,10 @@ namespace chillerlan\QRCode\Helpers;
 
 class BitBuffer{
 
-	/**
-	 * @var  int[]
-	 */
-	public $buffer = [];
+	/** @var int[] */
+	public array $buffer = [];
 
-	/**
-	 * @var int
-	 */
-	public $length = 0;
+	public int $length = 0;
 
 	/**
 	 * @return \chillerlan\QRCode\Helpers\BitBuffer

src/Helpers/Polynomial.php

@@ -57,10 +57,7 @@ class Polynomial{
 		[ 27, 116], [ 54, 214], [108, 244], [216, 234], [173, 168], [ 71,  80], [142,  88], [  1, 175],
 	];
 
-	/**
-	 * @var array
-	 */
-	protected $num = [];
+	protected array $num = [];
 
 	/**
 	 * Polynomial constructor.

src/Output/QRImage.php

@@ -26,10 +26,7 @@ class QRImage extends QROutputAbstract{
 		QRCode::OUTPUT_IMAGE_GIF,
 	];
 
-	/**
-	 * @var string
-	 */
-	protected $defaultMode = QRCode::OUTPUT_IMAGE_PNG;
+	protected string $defaultMode = QRCode::OUTPUT_IMAGE_PNG;
 
 	/**
 	 * @see imagecreatetruecolor()

src/Output/QRMarkup.php

@@ -19,10 +19,7 @@ use chillerlan\QRCode\QRCode;
  */
 class QRMarkup extends QROutputAbstract{
 
-	/**
-	 * @var string
-	 */
-	protected $defaultMode = QRCode::OUTPUT_MARKUP_SVG;
+	protected string $defaultMode = QRCode::OUTPUT_MARKUP_SVG;
 
 	/**
 	 * @see \sprintf()

src/Output/QROutputAbstract.php

@@ -20,45 +20,21 @@ use chillerlan\Settings\SettingsContainerInterface;
  */
 abstract class QROutputAbstract implements QROutputInterface{
 
-	/**
-	 * @var int
-	 */
-	protected $moduleCount;
+	protected int $moduleCount;
 
-	/**
-	 * @param \chillerlan\QRCode\Data\QRMatrix $matrix
-	 */
-	protected $matrix;
+	protected QRMatrix $matrix;
+	/** @var \chillerlan\Settings\SettingsContainerInterface|\chillerlan\QRCode\QROptions */
+	protected SettingsContainerInterface $options;
 
-	/**
-	 * @var \chillerlan\QRCode\QROptions
-	 */
-	protected $options;
+	protected string $outputMode;
 
-	/**
-	 * @var string
-	 */
-	protected $outputMode;
+	protected string $defaultMode;
 
-	/**
-	 * @var string;
-	 */
-	protected $defaultMode;
+	protected int $scale;
 
-	/**
-	 * @var int
-	 */
-	protected $scale;
+	protected int $length;
 
-	/**
-	 * @var int
-	 */
-	protected $length;
-
-	/**
-	 * @var array
-	 */
-	protected $moduleValues;
+	protected array $moduleValues;
 
 	/**
 	 * QROutputAbstract constructor.

src/Output/QRString.php

@@ -19,10 +19,7 @@ use chillerlan\QRCode\QRCode;
  */
 class QRString extends QROutputAbstract{
 
-	/**
-	 * @var string
-	 */
-	protected $defaultMode = QRCode::OUTPUT_STRING_TEXT;
+	protected string $defaultMode = QRCode::OUTPUT_STRING_TEXT;
 
 	/**
 	 * @return void

src/QRCode.php

@@ -91,18 +91,18 @@ class QRCode{
 	/**
 	 * @var \chillerlan\QRCode\QROptions
 	 */
-	protected $options;
+	protected QROptions $options;
 
 	/**
 	 * @var \chillerlan\QRCode\Data\QRDataInterface
 	 */
-	protected $dataInterface;
+	protected QRDataInterface $dataInterface;
 
 	/**
 	 * @see http://php.net/manual/function.mb-internal-encoding.php
 	 * @var string
 	 */
-	protected $mbCurrentEncoding;
+	protected string $mbCurrentEncoding;
 
 	/**
 	 * QRCode constructor.

src/QROptionsTrait.php

@@ -17,25 +17,19 @@ trait QROptionsTrait{
 	/**
 	 * QR Code version number
 	 *
-	 *   [1 ... 40] or QRCode::VERSION_AUTO
-	 *
-	 * @var int
+	 * [1 ... 40] or QRCode::VERSION_AUTO
 	 */
-	protected $version = QRCode::VERSION_AUTO;
+	protected int $version = QRCode::VERSION_AUTO;
 
 	/**
 	 * Minimum QR version (if $version = QRCode::VERSION_AUTO)
-	 *
-	 * @var int
 	 */
-	protected $versionMin = 1;
+	protected int $versionMin = 1;
 
 	/**
 	 * Maximum QR version
-	 *
-	 * @var int
 	 */
-	protected $versionMax = 40;
+	protected int $versionMax = 40;
 
 	/**
 	 * Error correct level
@@ -45,97 +39,73 @@ trait QROptionsTrait{
 	 *    M => 15%
 	 *    Q => 25%
 	 *    H => 30%
-	 *
-	 * @var int
 	 */
-	protected $eccLevel = QRCode::ECC_L;
+	protected int $eccLevel = QRCode::ECC_L;
 
 	/**
 	 * Mask Pattern to use
 	 *
 	 *  [0...7] or QRCode::MASK_PATTERN_AUTO
-	 *
-	 * @var int
 	 */
-	protected $maskPattern = QRCode::MASK_PATTERN_AUTO;
+	protected int $maskPattern = QRCode::MASK_PATTERN_AUTO;
 
 	/**
 	 * Add a "quiet zone" (margin) according to the QR code spec
-	 *
-	 * @var bool
 	 */
-	protected $addQuietzone = true;
+	protected bool $addQuietzone = true;
 
 	/**
 	 *  Size of the quiet zone
 	 *
 	 *   internally clamped to [0 ... $moduleCount / 2], defaults to 4 modules
-	 *
-	 * @var int
 	 */
-	protected $quietzoneSize = 4;
+	protected int $quietzoneSize = 4;
 
 	/**
 	 * QRCode::OUTPUT_MARKUP_XXXX where XXXX = HTML, SVG
 	 * QRCode::OUTPUT_IMAGE_XXX where XXX = PNG, GIF, JPG
 	 * QRCode::OUTPUT_STRING_XXXX where XXXX = TEXT, JSON
 	 * QRCode::OUTPUT_CUSTOM
-	 *
-	 * @var string
 	 */
-	protected $outputType = QRCode::OUTPUT_IMAGE_PNG;
+	protected string $outputType = QRCode::OUTPUT_IMAGE_PNG;
 
 	/**
 	 * the FQCN of the custom QROutputInterface if $outputType is set to QRCode::OUTPUT_CUSTOM
-	 *
-	 * @var string
 	 */
-	protected $outputInterface;
+	protected string $outputInterface;
 
 	/**
 	 * /path/to/cache.file
-	 *
-	 * @var string
 	 */
-	protected $cachefile;
+	protected string $cachefile;
 
 	/**
 	 * newline string [HTML, SVG, TEXT]
-	 *
-	 * @var string
 	 */
-	protected $eol = PHP_EOL;
+	protected string $eol = PHP_EOL;
 
 	/**
 	 * size of a QR code pixel [SVG, IMAGE_*]
 	 * HTML -> via CSS
-	 *
-	 * @var int
 	 */
-	protected $scale = 5;
+	protected int $scale = 5;
 
 	/**
 	 * a common css class
-	 *
-	 * @var string
 	 */
-	protected $cssClass;
+	protected string $cssClass;
 
 	/**
 	 * SVG opacity
-	 *
-	 * @var float
 	 */
-	protected $svgOpacity = 1.0;
+	protected float $svgOpacity = 1.0;
 
 	/**
 	 * anything between <defs>
 	 *
 	 * @see https://developer.mozilla.org/docs/Web/SVG/Element/defs
-	 *
-	 * @var string
 	 */
-	protected $svgDefs = '<style>rect{shape-rendering:crispEdges}</style>';
+	protected string $svgDefs = '<style>rect{shape-rendering:crispEdges}</style>';
 
 	/**
 	 * SVG viewBox size. a single integer number which defines width/height of the viewBox attribute.
@@ -143,101 +113,77 @@ trait QROptionsTrait{
 	 * viewBox="0 0 x x"
 	 *
 	 * @see https://css-tricks.com/scale-svg/#article-header-id-3
-	 *
-	 * @var int
 	 */
-	protected $svgViewBoxSize;
+	protected int $svgViewBoxSize;
 
 	/**
 	 * string substitute for dark
-	 *
-	 * @var string
 	 */
-	protected $textDark = '🔴';
+	protected string $textDark = '🔴';
 
 	/**
 	 * string substitute for light
-	 *
-	 * @var string
 	 */
-	protected $textLight = '⭕';
+	protected string $textLight = '⭕';
 
 	/**
 	 * markup substitute for dark (CSS value)
-	 *
-	 * @var string
 	 */
-	protected $markupDark = '#000';
+	protected string $markupDark = '#000';
 
 	/**
 	 * markup substitute for light (CSS value)
-	 *
-	 * @var string
 	 */
-	protected $markupLight = '#fff';
+	protected string $markupLight = '#fff';
 
 	/**
 	 * toggle base64 or raw image data
-	 *
-	 * @var bool
 	 */
-	protected $imageBase64 = true;
+	protected bool $imageBase64 = true;
 
 	/**
 	 * toggle transparency, not supported by jpg
-	 *
-	 * @var bool
 	 */
-	protected $imageTransparent = true;
+	protected bool $imageTransparent = true;
 
 	/**
 	 * @see imagecolortransparent()
 	 *
-	 * @var array [R, G, B]
+	 * [R, G, B]
 	 */
-	protected $imageTransparencyBG = [255, 255, 255];
+	protected array $imageTransparencyBG = [255, 255, 255];
 
 	/**
 	 * @see imagepng()
-	 *
-	 * @var int
 	 */
-	protected $pngCompression = -1;
+	protected int $pngCompression = -1;
 
 	/**
 	 * @see imagejpeg()
-	 *
-	 * @var int
 	 */
-	protected $jpegQuality = 85;
+	protected int $jpegQuality = 85;
 
 	/**
 	 * Imagick output format
 	 *
 	 * @see Imagick::setType()
-	 *
-	 * @var string
 	 */
-	protected $imagickFormat = 'png';
+	protected string $imagickFormat = 'png';
 
 	/**
 	 * Imagick background color (defaults to "transparent")
 	 *
 	 * @see \ImagickPixel::__construct()
-	 *
-	 * @var string
 	 */
-	protected $imagickBG;
+	protected string $imagickBG;
 
 	/**
 	 * Module values map
 	 *
 	 *   HTML, IMAGICK: #ABCDEF, cssname, rgb(), rgba()...
 	 *   IMAGE: [63, 127, 255] // R, G, B
-	 *
-	 * @var array
 	 */
-	protected $moduleValues;
+	protected array $moduleValues;
 
 	/**
 	 * set/clamp some special values, call the parent setter otherwise

tests/Data/AlphaNumTest.php

@@ -16,9 +16,11 @@ use chillerlan\QRCode\Data\{AlphaNum, QRCodeDataException};
 
 class AlphaNumTest extends DatainterfaceTestAbstract{
 
-	protected $FQCN = AlphaNum::class;
-	protected $testdata  = '0 $%*+-./:';
-	protected $expected  = [
+	protected string $FQCN = AlphaNum::class;
+
+	protected string $testdata  = '0 $%*+-./:';
+
+	protected array  $expected  = [
 		32, 80, 36, 212, 252, 15, 175, 251,
 		176, 236, 17, 236, 17, 236, 17, 236,
 		17, 236, 17, 236, 17, 236, 17, 236,

tests/Data/ByteTest.php

@@ -16,9 +16,11 @@ use chillerlan\QRCode\Data\Byte;
 
 class ByteTest extends DatainterfaceTestAbstract{
 
-	protected $FQCN = Byte::class;
-	protected $testdata = '[¯\_(ツ)_/¯]';
-	protected $expected = [
+	protected string $FQCN = Byte::class;
+
+	protected string $testdata = '[¯\_(ツ)_/¯]';
+
+	protected array  $expected = [
 		64, 245, 188, 42, 245, 197, 242, 142,
 		56, 56, 66, 149, 242, 252, 42, 245,
 		208, 236, 17, 236, 17, 236, 17, 236,

tests/Data/DatainterfaceTestAbstract.php

@@ -18,13 +18,11 @@ use chillerlan\QRCodeTest\QRTestAbstract;
 
 abstract class DatainterfaceTestAbstract extends QRTestAbstract{
 
-	/**
-	 * @var \chillerlan\QRCode\Data\QRDataAbstract
-	 */
-	protected $dataInterface;
+	protected QRDataInterface $dataInterface;
 
-	protected $testdata;
-	protected $expected;
+	protected string $testdata;
+
+	protected array  $expected;
 
 	protected function setUp():void{
 		parent::setUp();

tests/Data/KanjiTest.php

@@ -16,9 +16,11 @@ use chillerlan\QRCode\Data\{Kanji, QRCodeDataException};
 
 class KanjiTest extends DatainterfaceTestAbstract{
 
-	protected $FQCN = Kanji::class;
-	protected $testdata = '茗荷茗荷茗荷茗荷茗荷';
-	protected $expected = [
+	protected string $FQCN = Kanji::class;
+
+	protected string $testdata = '茗荷茗荷茗荷茗荷茗荷';
+
+	protected array  $expected = [
 		128, 173, 85, 26, 95, 85, 70, 151,
 		213, 81, 165, 245, 84, 105, 125, 85,
 		26, 92, 0, 236, 17, 236, 17, 236,

tests/Data/MaskPatternTesterTest.php

@@ -17,7 +17,7 @@ use chillerlan\QRCodeTest\QRTestAbstract;
 
 class MaskPatternTesterTest extends QRTestAbstract{
 
-	protected $FQCN = MaskPatternTester::class;
+	protected string $FQCN = MaskPatternTester::class;
 
 	// coverage
 	public function testMaskpattern(){

tests/Data/NumberTest.php

@@ -16,9 +16,11 @@ use chillerlan\QRCode\Data\{Number, QRCodeDataException};
 
 class NumberTest extends DatainterfaceTestAbstract{
 
-	protected $FQCN = Number::class;
-	protected $testdata  = '0123456789';
-	protected $expected = [
+	protected string $FQCN = Number::class;
+
+	protected string $testdata  = '0123456789';
+
+	protected array $expected = [
 		16, 40, 12, 86, 106, 105, 0, 236,
 		17, 236, 17, 236, 17, 236, 17, 236,
 		17, 236, 17, 236, 17, 236, 17, 236,

tests/Data/QRMatrixTest.php

@@ -19,14 +19,11 @@ use ReflectionClass;
 
 class QRMatrixTest extends QRTestAbstract{
 
-	protected $FQCN = QRMatrix::class;
+	protected string $FQCN = QRMatrix::class;
 
-	protected $version = 7;
+	protected int $version = 7;
 
-	/**
-	 * @var \chillerlan\QRCode\Data\QRMatrix
-	 */
-	protected $matrix;
+	protected QRMatrix $matrix;
 
 	protected function setUp():void{
 		parent::setUp();

tests/Helpers/BitBufferTest.php

@@ -17,10 +17,7 @@ use chillerlan\QRCodeTest\QRTestAbstract;
 
 class BitBufferTest extends QRTestAbstract{
 
-	/**
-	 * @var \chillerlan\QRCode\Helpers\BitBuffer
-	 */
-	protected $bitBuffer;
+	protected BitBuffer $bitBuffer;
 
 	protected function setUp():void{
 		$this->bitBuffer = new BitBuffer;

tests/Helpers/PolynomialTest.php

@@ -18,10 +18,7 @@ use chillerlan\QRCodeTest\QRTestAbstract;
 
 class PolynomialTest extends QRTestAbstract{
 
-	/**
-	 * @var \chillerlan\QRCode\Helpers\Polynomial
-	 */
-	protected $polynomial;
+	protected Polynomial $polynomial;
 
 	protected function setUp():void{
 		$this->polynomial = new Polynomial;

tests/Output/QRImageTest.php

@@ -16,7 +16,7 @@ use chillerlan\QRCode\{QRCode, Output\QRImage};
 
 class QRImageTest extends QROutputTestAbstract{
 
-	protected $FQCN = QRImage::class;
+	protected string $FQCN = QRImage::class;
 
 	public function types(){
 		return [

tests/Output/QRImagickTest.php

@@ -16,7 +16,7 @@ use chillerlan\QRCode\{QRCode, Output\QRImagick};
 
 class QRImagickTest extends QROutputTestAbstract{
 
-	protected $FQCN = QRImagick::class;
+	protected string $FQCN = QRImagick::class;
 
 	public function setUp():void{
 

tests/Output/QRMarkupTest.php

@@ -16,7 +16,7 @@ use chillerlan\QRCode\{QRCode, Output\QRMarkup};
 
 class QRMarkupTest extends QROutputTestAbstract{
 
-	protected $FQCN = QRMarkup::class;
+	protected string $FQCN = QRMarkup::class;
 
 	public function types(){
 		return [

tests/Output/QROutputTestAbstract.php

@@ -13,30 +13,22 @@
 namespace chillerlan\QRCodeTest\Output;
 
 use chillerlan\QRCode\QROptions;
-use chillerlan\QRCode\Data\Byte;
+use chillerlan\QRCode\Data\{Byte, QRMatrix};
 use chillerlan\QRCode\Output\{QRCodeOutputException, QROutputInterface};
 use chillerlan\QRCodeTest\QRTestAbstract;
+use chillerlan\Settings\SettingsContainerInterface;
 
 /**
  */
 abstract class QROutputTestAbstract extends QRTestAbstract{
 
-	const cachefile = __DIR__.'/output_test.';
+	protected const cachefile = __DIR__.'/output_test.';
 
-	/**
-	 * @var \chillerlan\QRCode\Output\QROutputInterface
-	 */
-	protected $outputInterface;
+	protected QROutputInterface $outputInterface;
+	/** @var \chillerlan\Settings\SettingsContainerInterface|\chillerlan\QRCode\QROptions */
+	protected SettingsContainerInterface $options;
 
-	/**
-	 * @var \chillerlan\QRCode\QROptions
-	 */
-	protected $options;
-
-	/**
-	 * @var \chillerlan\QRCode\Data\QRMatrix
-	 */
-	protected $matrix;
+	protected QRMatrix $matrix;
 
 	protected function setUp():void{
 		parent::setUp();

tests/Output/QRStringTest.php

@@ -16,7 +16,7 @@ use chillerlan\QRCode\{QRCode, Output\QRString};
 
 class QRStringTest extends QROutputTestAbstract{
 
-	protected $FQCN = QRString::class;
+	protected string $FQCN = QRString::class;
 
 	public function types(){
 		return [

tests/QRCodeTest.php

@@ -19,7 +19,7 @@ use chillerlan\QRCodeExamples\MyCustomOutput;
 
 class QRCodeTest extends QRTestAbstract{
 
-	protected $FQCN = QRCode::class;
+	protected string $FQCN = QRCode::class;
 
 	/**
 	 * @var \chillerlan\QRCode\QRCode

tests/QROptionsTest.php

@@ -12,15 +12,14 @@
 
 namespace chillerlan\QRCodeTest;
 
+use chillerlan\Settings\SettingsContainerInterface;
 use chillerlan\QRCode\{QRCode, QRCodeException, QROptions};
 use PHPUnit\Framework\TestCase;
 
 class QROptionsTest extends TestCase{
 
-	/**
-	 * @var \chillerlan\QRCode\QROptions
-	 */
-	protected $options;
+	/** @var \chillerlan\Settings\SettingsContainerInterface|\chillerlan\QRCode\QROptions */
+	protected SettingsContainerInterface $options;
 
 	public function testVersionClamp(){
 		$this->assertSame(40, (new QROptions(['version' => 42]))->version);

tests/QRTestAbstract.php

@@ -17,15 +17,9 @@ use ReflectionClass, ReflectionMethod, ReflectionProperty;
 
 abstract class QRTestAbstract extends TestCase{
 
-	/**
-	 * @var \ReflectionClass
-	 */
-	protected $reflection;
+	protected ReflectionClass $reflection;
 
-	/**
-	 * @var string
-	 */
-	protected $FQCN;
+	protected string $FQCN;
 
 	protected function setUp():void{
 		$this->reflection = new ReflectionClass($this->FQCN);