Merge pull request #15 from eimkua1/php-8-support

Php 8 support

Author: weierophinney

.gitignore

@@ -3,3 +3,5 @@
 /coveralls-upload.json
 /phpunit.xml
 /vendor/
+/.phpunit.result.cache
+/.phpcs-cache

composer.json

@@ -27,7 +27,7 @@
         }
     },
     "require": {
-        "php": "^7.3",
+        "php": "^7.3 || ~8.0.0",
         "ext-json": "*",
         "laminas/laminas-eventmanager": "^2.6.3 || ^3.0.1",
         "laminas/laminas-http": "^2.5.4",
@@ -38,7 +38,8 @@
     },
     "require-dev": {
         "laminas/laminas-coding-standard": "~2.2.0",
-        "phpunit/phpunit": "^7.5.15"
+        "phpspec/prophecy-phpunit": "^2.0",
+        "phpunit/phpunit": "^9.3"
     },
     "autoload": {
         "psr-4": {