Add support for PHP 8

Author: ADmad

.editorconfig

@@ -9,3 +9,6 @@ indent_size = 4
 end_of_line = lf
 insert_final_newline = true
 trim_trailing_whitespace = true
+
+[*.yml]
+indent_size = 2

.travis.yml

@@ -3,13 +3,15 @@ language: php
 php:
   - 7.2
   - 7.4
+  - 'nightly'
 
 matrix:
   include:
     - php: 7.2
       env: PHPCS=1
 
-before_script: composer install
+install:
+  - composer install --no-interaction
 
 script:
   - if [[ $PHPCS != 1 ]]; then vendor/bin/phpunit; fi

composer.json

@@ -10,13 +10,13 @@
         }
     ],
     "require": {
-        "php": "^7.2",
+        "php": ">=7.2.0",
         "composer-plugin-api": "^1.0 || ^2.0"
     },
     "require-dev": {
         "cakephp/cakephp-codesniffer": "^4.1",
         "composer/composer": "^2.0@RC",
-        "phpunit/phpunit": "~8.5.0"
+        "phpunit/phpunit": "^8.5 || ^9.3"
     },
     "autoload": {
         "psr-4": {