Drop PHP 7.0 support

Author: ondrejmirtes

.travis.yml

@@ -1,6 +1,5 @@
 language: php
 php:
-  - 7.0
   - 7.1
   - 7.2
 before_script:

composer.json

@@ -10,7 +10,7 @@
 		}
 	},
 	"require": {
-		"php": "~7.0",
+		"php": "~7.1",
 		"phpstan/phpstan": "^0.9.1",
 		"phpunit/phpunit": "^6.3"
 	},

phpcs.xml

@@ -4,7 +4,6 @@
 		<exclude name="Squiz.Functions.GlobalFunction.Found"/>
 	</rule>
 	<rule ref="vendor/slevomat/coding-standard/SlevomatCodingStandard/ruleset.xml">
-		<exclude name="SlevomatCodingStandard.Classes.ClassConstantVisibility.MissingConstantVisibility"/>
 		<exclude name="SlevomatCodingStandard.Files.TypeNameMatchesFileName"/>
 		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedClassNameAfterKeyword"/>
 		<exclude name="SlevomatCodingStandard.Namespaces.UseOnlyWhitelistedNamespaces"/>
@@ -14,7 +13,6 @@
 		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedClassNameInAnnotation.NonFullyQualifiedClassName"/>
 		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedGlobalConstants"/>
 		<exclude name="SlevomatCodingStandard.Namespaces.FullyQualifiedGlobalFunctions"/>
-		<exclude name="SlevomatCodingStandard.TypeHints.NullableTypeForNullDefaultValue"/>
 	</rule>
 	<rule ref="SlevomatCodingStandard.Namespaces.AlphabeticallySortedUses">
 		<properties>
@@ -32,8 +30,6 @@
 				@dataProvider,
 				@requires
 			"/>
-			<property name="enableNullableTypeHints" type="false" />
-			<property name="enableVoidTypeHint" type="false" />
 		</properties>
 	</rule>
 	<exclude-pattern>tests/*/data</exclude-pattern>

src/Type/PHPUnit/MockBuilderDynamicReturnTypeExtension.php

@@ -19,7 +19,7 @@ class MockBuilderDynamicReturnTypeExtension implements \PHPStan\Type\DynamicMeth
 	 */
 	private $broker;
 
-	public function setBroker(Broker $broker)
+	public function setBroker(Broker $broker): void
 	{
 		$this->broker = $broker;
 	}

tests/Rules/PHPUnit/AssertSameBooleanExpectedRuleTest.php

@@ -12,7 +12,7 @@ protected function getRule(): Rule
 		return new AssertSameBooleanExpectedRule();
 	}
 
-	public function testRule()
+	public function testRule(): void
 	{
 		$this->analyse([__DIR__ . '/data/assert-same-boolean-expected.php'], [
 			[

tests/Rules/PHPUnit/AssertSameDifferentTypesRuleTest.php

@@ -12,7 +12,7 @@ protected function getRule(): Rule
 		return new AssertSameDifferentTypesRule();
 	}
 
-	public function testRule()
+	public function testRule(): void
 	{
 		$this->analyse([__DIR__ . '/data/assert-same.php'], [
 			[

tests/Rules/PHPUnit/AssertSameNullExpectedRuleTest.php

@@ -12,7 +12,7 @@ protected function getRule(): Rule
 		return new AssertSameNullExpectedRule();
 	}
 
-	public function testRule()
+	public function testRule(): void
 	{
 		$this->analyse([__DIR__ . '/data/assert-same-null-expected.php'], [
 			[

tests/Rules/PHPUnit/AssertSameWithCountRuleTest.php

@@ -12,7 +12,7 @@ protected function getRule(): Rule
 		return new AssertSameWithCountRule();
 	}
 
-	public function testRule()
+	public function testRule(): void
 	{
 		$this->analyse([__DIR__ . '/data/assert-same-count.php'], [
 			[