Initialize support for php 8

Author: adriansuter

.gitignore

@@ -1,5 +1,6 @@
 .DS_Store
 .idea
+.phpunit.result.cache
 composer.lock
 coverage
 docs/_site

.travis.yml

@@ -9,6 +9,10 @@ matrix:
     - php: 7.3
     - php: 7.4
       env: ANALYSIS='true'
+    - php: nightly
+
+  allow_failures:
+    - php: nightly
 
 before_script:
   - if [[ "$ANALYSIS" == 'true' ]]; then composer require php-coveralls/php-coveralls:^2.2.0 ; fi

composer.json

@@ -34,12 +34,12 @@
     ]
   },
   "require": {
-    "php": "^7.1",
+    "php": "^7.2 || ^8.0",
     "nikic/php-parser": "^4.4"
   },
   "require-dev": {
     "phpstan/phpstan": "^0.12.25",
-    "phpunit/phpunit": "^7.5",
+    "phpunit/phpunit": "^8.5",
     "squizlabs/php_codesniffer": "^3.5"
   },
   "scripts": {

phpunit.xml.dist

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
-         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/7.1/phpunit.xsd"
+         xsi:noNamespaceSchemaLocation="http://schema.phpunit.de/8.5/phpunit.xsd"
          backupGlobals="true"
          beStrictAboutOutputDuringTests="true"
          colors="true"

tests/AbstractIntegrationTest.php

@@ -19,12 +19,12 @@ abstract class AbstractIntegrationTest extends TestCase
 
     private static $classLoader;
 
-    public static function setUpBeforeClass()
+    public static function setUpBeforeClass(): void
     {
         self::$classLoader = require(__DIR__ . '/../vendor/autoload.php');
     }
 
-    protected function setUp()
+    protected function setUp(): void
     {
         parent::setUp();
         if (!$this->overrideApplied) {

tests/FileStreamWrapperTest.php

@@ -22,7 +22,7 @@ final class FileStreamWrapperTest extends TestCase
      */
     private $tempFilePath;
 
-    protected function tearDown()
+    protected function tearDown(): void
     {
         // Make sure that we restore the default file stream wrapper.
         \stream_wrapper_restore('file');

tests/IntegrationCustomNamespaceTest.php

@@ -12,7 +12,7 @@
 
 class IntegrationCustomNamespaceTest extends AbstractIntegrationTest
 {
-    public static function setUpBeforeClass()
+    public static function setUpBeforeClass(): void
     {
         require_once(__DIR__ . '/assets/PHPCustomAutoloadOverride.php');
     }

tests/IntegrationNamespaceTest.php

@@ -12,7 +12,7 @@
 
 class IntegrationNamespaceTest extends AbstractIntegrationTest
 {
-    public static function setUpBeforeClass()
+    public static function setUpBeforeClass(): void
     {
         require_once(__DIR__ . '/assets/PHPAutoloadOverride.php');
     }