test php8

Author: okbang9

.github/workflows/test-ci.yml

@@ -33,8 +33,7 @@ jobs:
         run: |
           composer self-update
           composer install --no-interaction --prefer-source --no-dev
-          composer require squizlabs/php_codesniffer=3.6.0
-          composer require --ignore-platform-reqs phpunit/phpunit=9.0.0
+
 
       - name: Run cases
         run: |

composer.json

@@ -13,7 +13,8 @@
         }
     ],
     "require": {
-        "php": ">=5.3.3"
+        "php": ">=5.3.3",
+        "phpunit/phpunit": "~9.0"
     },
     "require-dev": {
         "phpunit/phpunit": "~4.0",