Prepare for PHP 8

Author: kodeart

.scrutinizer.yml

@@ -7,7 +7,7 @@ build:
           - php-scrutinizer-run
       environment:
         php:
-          version: '8.0'
+          version: '8.0.1'
 
 before_commands:
   - 'composer update -o --prefer-source --no-interaction'

.travis.yml

@@ -1,13 +1,13 @@
 language: php
 os: linux
-dist: xenial
+dist: bionic
 
 notifications:
   email: false
 
 php:
-  - '8.0'
-  - 'nightly'
+  - 8.0
+  - nightly
 
 cache:
   directories:
@@ -16,7 +16,7 @@ cache:
 jobs:
   fast_finish: true
   allow_failures:
-    - php: 'nightly'
+    - php: nightly
 
 install:
   - travis_retry composer update -o --prefer-source --no-interaction

composer.json

@@ -31,9 +31,9 @@
     "exclude-from-classmap": [
       "/Tests/"
     ]
-  },e logs -f
+  },
   "require-dev": {
-    "phpunit/phpunit": "^7",
+    "phpunit/phpunit": "~8",
     "mikey179/vfsstream": "~1",
     "phpbench/phpbench": "@dev"
   },