[BREAKING] Add PHP 8.1+ support (drops PHP 7.4) (#27)

* Add PHP 8.1-8.4 support

- Update composer.json to support PHP versions 7.4 through 8.4
- Update CI workflow to test against PHP 7.4, 8.0, 8.1, 8.2, 8.3, 8.4
- Update composer.lock to reflect new PHP version constraints

Co-Authored-By: Ben Sinclair <ben.sinclair@yourgiving.co>

* Fix deprecated GitHub Actions versions

- Update actions/checkout from v2 to v4
- Update actions/cache from v2 to v4
- Resolves CI failure due to deprecated action versions

Co-Authored-By: Ben Sinclair <ben.sinclair@yourgiving.co>

* Drop PHP 7.4 support, require PHP >=8.0 for dependency compatibility

Co-Authored-By: Ben Sinclair <ben.sinclair@yourgiving.co>

* Update phpspec/prophecy to 1.22.0 for PHP 8.2-8.4 compatibility

Co-Authored-By: Ben Sinclair <ben.sinclair@yourgiving.co>

* Remove explicit upper PHP version

* Update composer.lock after removing upper PHP version constraint

Co-Authored-By: Ben Sinclair <ben.sinclair@yourgiving.co>

* Fix PHP 8.0 compatibility by constraining doctrine/instantiator and symfony/deprecation-contracts

Co-Authored-By: Ben Sinclair <ben.sinclair@yourgiving.co>

* Fixed deprecated string interpolation method

---------

Co-authored-by: Devin AI <158243242+devin-ai-integration[bot]@users.noreply.github.com>
Co-authored-by: Josh McRae <josh.mcrae@tithe.ly>

Author: 3 people

.github/workflows/tests.yml

@@ -14,7 +14,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        php-versions: [ '7.4', '8.0' ]
+        php-versions: [ '8.0', '8.1', '8.2', '8.3', '8.4' ]
         postgresql-versions: [ '12',  '14' ]
     name: PHP ${{ matrix.php-versions }} with postgreSQL ${{ matrix.postgresql-versions }}
 
@@ -34,7 +34,7 @@ jobs:
           --health-retries 5
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         name: Check Out Code
 
       - name: Setup PHP
@@ -48,7 +48,7 @@ jobs:
 
       - name: Cache Composer packages
         id: composer-cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: vendor
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}
@@ -73,7 +73,7 @@ jobs:
     timeout-minutes: 10
     strategy:
       matrix:
-        php-versions: [ '7.4', '8.0' ]
+        php-versions: [ '8.0', '8.1', '8.2', '8.3', '8.4' ]
         mysql-versions: [ '5.7', '8.0' ]
     name: PHP ${{ matrix.php-versions }} with MySQL ${{ matrix.mysql-versions }}
 
@@ -89,7 +89,7 @@ jobs:
         options: --health-cmd "mysqladmin ping" --health-interval 10s --health-timeout 5s --health-retries 10
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v4
         name: Check Out Code
 
       - name: Setup PHP
@@ -103,7 +103,7 @@ jobs:
 
       - name: Cache Composer packages
         id: composer-cache
-        uses: actions/cache@v2
+        uses: actions/cache@v4
         with:
           path: vendor
           key: ${{ runner.os }}-composer-${{ hashFiles('**/composer.lock') }}

composer.json

@@ -4,12 +4,15 @@
     "type": "library",
     "license": "MIT",
     "require": {
-        "php": ">=7.4",
+        "php": ">=8.0",
         "ext-pdo": "*"
     },
     "require-dev": {
         "phpunit/phpunit": "^9.4",
-        "symfony/yaml": "^5.0"
+        "symfony/yaml": "^5.0",
+        "phpspec/prophecy": "^1.22.0",
+        "doctrine/instantiator": "^1.5",
+        "symfony/deprecation-contracts": "^2.4"
     },
     "scripts":{
         "test": "./vendor/bin/phpunit -c phpunit.xml"