feat(deps): Require PHP 8.1+ (#16)

PHP 8.0 has been EOL since November 2023 so we are dropping support 
prior to our v1 release.

Author: keelerm84

.github/actions/ci/action.yml

@@ -4,7 +4,7 @@ inputs:
   php-version:
     description: 'Which version of PHP should we setup?'
     required: false
-    default: 8.0
+    default: 8.1
   token:
     description: 'Token used to prevent composer rate limiting'
     required: true

.github/workflows/ci.yml

@@ -15,7 +15,7 @@ jobs:
 
     strategy:
       matrix:
-        php-versions: [8.0, 8.1]
+        php-versions: [8.1, 8.2, 8.3]
 
     steps:
       - uses: actions/checkout@v4
@@ -32,7 +32,7 @@ jobs:
 
     strategy:
       matrix:
-        php-version: [8.0.30, 8.1.26]
+        php-version: [8.1.26, 8.2.19, 8.3.8]
 
     env:
       LD_INCLUDE_INTEGRATION_TESTS: 1

README.md

@@ -22,7 +22,7 @@ This provider is designed primarily for use in multi-user systems such as web se
 
 ## Supported PHP versions
 
-This version of the LaunchDarkly provider works with PHP 8.0 and above.
+This version of the LaunchDarkly provider works with PHP 8.1 and above.
 
 ## Getting started
 
@@ -33,7 +33,7 @@ Example composer dependencies:
 ```json
 {
     "require": {
-        "php": ">=8.0",
+        "php": ">=8.1",
         "launchdarkly/openfeature-server": "^1.0"
     }
 }
@@ -46,8 +46,7 @@ use OpenFeature\OpenFeatureAPI;
 use OpenFeature\implementation\flags\Attributes;
 use OpenFeature\implementation\flags\EvaluationContext;
 
-$ldClient = new LaunchDarkly\LDClient("my-sdk-key");
-$provider = new LaunchDarkly\OpenFeature\Provider($ldClient);
+$provider = new LaunchDarkly\OpenFeature\Provider("my-sdk-key");
 
 $api = OpenFeatureAPI::getInstance();
 $api->setProvider($provider);

composer.json

@@ -20,7 +20,7 @@
         }
     ],
     "require": {
-        "php": ">=8.0",
+        "php": ">=8.1",
         "guzzlehttp/guzzle": "^7",
         "launchdarkly/server-sdk": "^6.2",
         "myclabs/php-enum": ">1.8",