Add php7.4, php8.0 support

.github/workflows/tests.yaml

@@ -3,7 +3,7 @@ on: [ push, pull_request_target ]
 
 jobs:
   php8compat:
-    name: Unit Tests PHP8 Compatibility (php ${{ matrix.php-version }})
+    name: Unit Tests php8.1 (php ${{ matrix.php-version }})
     runs-on: ubuntu-latest
     # always run on push events
     # only run on pull_request_target event when pull request pulls from fork repository
@@ -31,6 +31,58 @@ jobs:
 
       - run: composer test
 
+  php7:
+    name: Unit Tests php7.4 (php ${{ matrix.php-version }})
+    runs-on: ubuntu-latest
+    # always run on push events
+    # only run on pull_request_target event when pull request pulls from fork repository
+    if: >
+      github.event_name == 'push' || 
+      github.event_name == 'pull_request_target' && github.event.pull_request.head.repo.full_name != github.repository
+    strategy:
+      fail-fast: false
+      matrix:
+        php-version: [ 7.4 ]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: shivammathur/[email protected]
+        with:
+          php-version: ${{ matrix.php-version }}
+
+      - run: composer self-update
+
+      - run: composer install --no-interaction --prefer-source --dev
+
+      - run: composer test
+
+  php8.0:
+    name: Unit Tests php8.0 (php ${{ matrix.php-version }})
+    runs-on: ubuntu-latest
+    # always run on push events
+    # only run on pull_request_target event when pull request pulls from fork repository
+    if: >
+      github.event_name == 'push' || 
+      github.event_name == 'pull_request_target' && github.event.pull_request.head.repo.full_name != github.repository
+    strategy:
+      fail-fast: false
+      matrix:
+        php-version: [ 8.0 ]
+
+    steps:
+      - uses: actions/checkout@v2
+
+      - uses: shivammathur/[email protected]
+        with:
+          php-version: ${{ matrix.php-version }}
+
+      - run: composer self-update
+
+      - run: composer install --no-interaction --prefer-source --dev
+
+      - run: composer test
+
   protobuf:
     name: Unit Tests With Protobuf C Extension 3.13 (php ${{ matrix.php-version }})
     runs-on: ubuntu-latest

composer.json

@@ -9,7 +9,7 @@
   "homepage": "https://yoti.com",
   "license": "MIT",
   "require": {
-    "php": "^8.1",
+    "php": "^7.4 || ^8.0 || ^8.1",
     "ext-json": "*",
     "google/protobuf": "^3.10",
     "phpseclib/phpseclib": "^3.0",