Merge pull request #1 from cgauge/php8

Upgrade to php 8

.travis.yml

@@ -1,13 +1,8 @@
 language: php
 
 php:
-  - 7.2
-  - 7.3
-  - 7.4snapshot
-
-matrix:
-  allow_failures:
-    - php: 7.4snapshot
+  - 7.4
+  - 8.0snapshot
 
 before_script:
   - composer selfupdate

composer.json

@@ -13,12 +13,12 @@
         }
     ],
     "require": {
-        "php": "^7.2"
+        "php": ">=7.4"
     },
     "require-dev": {
-        "phpunit/phpunit": "^8.0",
-        "doctrine/coding-standard": "^6.0",
-        "phpstan/phpstan": "^0.11.8"
+        "phpunit/phpunit": "^9.5",
+        "doctrine/coding-standard": "^8.0",
+        "phpstan/phpstan": "^0.12.64"
     },
     "autoload": {
         "psr-4": {

phpunit.xml.dist

@@ -1,21 +1,23 @@
 <?xml version="1.0" encoding="UTF-8"?>
-<phpunit backupGlobals="false"
+<phpunit xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         backupGlobals="false"
          backupStaticAttributes="false"
          bootstrap="vendor/autoload.php"
          colors="true"
          convertErrorsToExceptions="true"
          convertNoticesToExceptions="true"
          convertWarningsToExceptions="true"
          processIsolation="false"
-         stopOnFailure="false">
-    <testsuites>
-        <testsuite name="Unit Tests">
-            <directory suffix="Test.php">./tests</directory>
-        </testsuite>
-    </testsuites>
-    <filter>
-        <whitelist processUncoveredFilesFromWhitelist="true">
-            <directory suffix=".php">./src</directory>
-        </whitelist>
-    </filter>
+         stopOnFailure="false"
+         xsi:noNamespaceSchemaLocation="https://schema.phpunit.de/9.3/phpunit.xsd">
+  <coverage processUncoveredFiles="true">
+    <include>
+      <directory suffix=".php">./src</directory>
+    </include>
+  </coverage>
+  <testsuites>
+    <testsuite name="Unit Tests">
+      <directory suffix="Test.php">./tests</directory>
+    </testsuite>
+  </testsuites>
 </phpunit>