Merge pull request #12 from internalsystemerror/feature/php8

Adds PHP 8.0 support

Author: weierophinney

.gitignore

@@ -1,3 +1,5 @@
+/.idea
+/.phpunit.result.cache
 /clover.xml
 /coveralls-upload.json
 /docs/html/

composer.json

@@ -23,15 +23,16 @@
     "extra": {
     },
     "require": {
-        "php": "^5.6 || ^7.0",
+        "php": "^7.3 || ~8.0.0",
         "laminas/laminas-http": "^2.7",
         "laminas/laminas-json": "^2.6.1 || ^3.0",
         "laminas/laminas-server": "^2.7",
         "laminas/laminas-zendframework-bridge": "^1.0"
     },
     "require-dev": {
+        "ext-json": "*",
         "laminas/laminas-coding-standard": "~1.0.0",
-        "phpunit/phpunit": "^5.7.27 || ^6.5.8 || ^7.1.2"
+        "phpunit/phpunit": "^9.3.0"
     },
     "conflict": {
         "laminas/laminas-stdlib": "<3.2.1"