Updated dev dependencies

build.xml

@@ -78,7 +78,7 @@
 		>
 			<arg value="analyse"/>
 			<arg value="-l"/>
-			<arg value="5"/>
+			<arg value="7"/>
 			<arg value="-c"/>
 			<arg path="${path.phpstan.configuration}"/>
 			<arg path="${path.src}"/>

build/phpstan.neon

@@ -3,5 +3,5 @@ parameters:
 		- %rootDir%/../../../tests/SlevomatEET/Cryptography/OpenSslFunctionsMock.php
 	ignoreErrors:
 		- '#does not accept PHPUnit_Framework_MockObject_MockObject#'
-		- '#Cannot access property SlevomatEET\\Client::\$soapClient from current scope#'
+		- '#Access to private property \$soapClient of class SlevomatEET\\Client#'
 		- '#PHPUnit_Framework_MockObject_MockObject(?:\|(?:[\\a-zA-Z0-9_]+))* given#'

build/ruleset.xml

@@ -4,8 +4,10 @@
 		<exclude name="Squiz.Commenting.FunctionComment.IncorrectParamVarName"/>
 	</rule>
 	<rule ref="vendor/slevomat/coding-standard/SlevomatCodingStandard/ruleset.xml">
+		<exclude name="SlevomatCodingStandard.Classes.ClassConstantVisibility"/><!-- PHP >= 7.1 only -->
 		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedClassNameAfterKeyword"/>
 		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedExceptions"/>
+		<exclude name="SlevomatCodingStandard.TypeHints.NullableTypeForNullDefaultValue"/><!-- PHP >= 7.1 only -->
 	</rule>
 	<rule ref="SlevomatCodingStandard.Namespaces.UnusedUses">
 		<properties>
@@ -28,6 +30,25 @@
 			<property name="namespacesRequiredToUse" type="array" value="SlevomatEET" />
 		</properties>
 	</rule>
+	<rule ref="SlevomatCodingStandard.TypeHints.DeclareStrictTypes">
+		<properties>
+			<property name="newlinesCountBetweenOpenTagAndDeclare" value="0"/>
+		</properties>
+	</rule>
+	<rule ref="SlevomatCodingStandard.TypeHints.TypeHintDeclaration">
+		<properties>
+			<property name="enableNullableTypeHints" value="false"/>
+			<property name="enableVoidTypeHint" value="false"/>
+			<property name="usefulAnnotations" type="array" value="
+				@dataProvider,
+				@runInSeparateProcess,
+			"/>
+		</properties>
+		<exclude-pattern>tests/SlevomatEET/Cryptography/OpenSslFunctionsMock.php</exclude-pattern>
+	</rule>
+	<rule ref="SlevomatCodingStandard.TypeHints.TypeHintDeclaration.MissingTraversableReturnTypeHintSpecification">
+		<exclude-pattern>tests/</exclude-pattern><!-- it's useless to add "@return mixed[]" to all data providers -->
+	</rule>
 	<rule ref="Squiz.Commenting.FunctionComment">
 		<exclude-pattern>tests/</exclude-pattern><!-- @dataProvider etc. annotations trigger comments check -->
 	</rule>

composer.json

@@ -22,11 +22,12 @@
 		"ramsey/uuid": "^3.5"
 	},
 	"require-dev": {
-		"consistence/coding-standard": "^0.12.0",
-		"slevomat/coding-standard": "^1.1",
-		"phing/phing": "^2.15",
-		"phpunit/phpunit": "^6.0.6",
-		"phpstan/phpstan": "^0.6.3",
+		"consistence/coding-standard": "^2.0.0",
+		"jakub-onderka/php-parallel-lint": "^0.9.2",
+		"slevomat/coding-standard": "^3.0",
+		"phing/phing": "^2.16",
+		"phpunit/phpunit": "^6.2.0",
+		"phpstan/phpstan": "^0.7.0",
 		"guzzlehttp/guzzle": "^6.2",
 		"composer/ca-bundle": "^1.0"
 	},

src/Cryptography/CryptographyService.php

@@ -21,6 +21,10 @@ public function __construct(string $privateKeyFile, string $publicKeyFile, strin
 		$this->privateKeyPassword = $privateKeyPassword;
 	}
 
+	/**
+	 * @param mixed[] $body
+	 * @return string
+	 */
 	public function getPkpCode(array $body): string
 	{
 		$values = [

src/Cryptography/SigningFailedException.php

@@ -10,13 +10,19 @@ class SigningFailedException extends \Exception
 	 */
 	private $data;
 
+	/**
+	 * @param mixed[] $data
+	 */
 	public function __construct(array $data)
 	{
 		parent::__construct('Signing failed');
 
 		$this->data = $data;
 	}
 
+	/**
+	 * @return mixed[]
+	 */
 	public function getData(): array
 	{
 		return $this->data;

src/EvidenceRequest.php

@@ -63,6 +63,9 @@ public function __construct(Receipt $receipt, Configuration $configuration, Cryp
 		$this->bkpCode = $cryptographyService->getBkpCode($this->pkpCode);
 	}
 
+	/**
+	 * @return mixed[]
+	 */
 	public function getRequestData(): array
 	{
 		return [
@@ -89,11 +92,17 @@ public function getSendDate(): \DateTimeImmutable
 		return $this->sendDate;
 	}
 
+	/**
+	 * @return mixed[]
+	 */
 	public function getHeader(): array
 	{
 		return $this->header;
 	}
 
+	/**
+	 * @return mixed[]
+	 */
 	public function getBody(): array
 	{
 		return $this->body;

src/EvidenceResponse.php

@@ -41,7 +41,7 @@ public function __construct(\stdClass $rawData, EvidenceRequest $evidenceRequest
 
 	public function getFik(): string
 	{
-		if (!$this->isValid()) {
+		if ($this->fik === null) {
 			throw new InvalidResponseWithoutFikException($this);
 		}
 

src/SoapClient.php

@@ -29,7 +29,7 @@ public function __construct(string $wsdl, CryptographyService $cryptoService, So
 	}
 
 	/**
-	 * @param array $parameters
+	 * @param mixed[] $parameters
 	 * @return mixed
 	 */
 	public function OdeslaniTrzby(array $parameters)
@@ -38,6 +38,7 @@ public function OdeslaniTrzby(array $parameters)
 	}
 
 	/**
+	 * @phpcsSuppress SlevomatCodingStandard.TypeHints.TypeHintDeclaration.MissingParameterTypeHint
 	 * @param string $request
 	 * @param string $location
 	 * @param string $action

tests/SlevomatEET/FormatterTest.php

@@ -38,7 +38,10 @@ public function testFormatDateTime(\DateTimeImmutable $value, string $expected)
 		$this->assertSame($expected, Formatter::formatDateTime($value));
 	}
 
-	public function dataTestFormatDateTime()
+	/**
+	 * @return mixed[][]
+	 */
+	public function dataTestFormatDateTime(): array
 	{
 		return [
 			[new \DateTimeImmutable('2016-03-11 11:05:00', new \DateTimeZone('Europe/Prague')), '2016-03-11T11:05:00+01:00'],