Run CI with PHP 8.2 (#516)

* Run CI with PHP 8.2

* Add `--ignore-platform-requirements` flag in CI

* Pretend PHP 8.2 is 8.1 in CI

* Enable `convertDeprecationsToExceptions="true"` in PHPUnit

* setup-php with error_reporting=E_ALL

.github/workflows/ci.yml

@@ -34,19 +34,24 @@ jobs:
     strategy:
       max-parallel: 10
       matrix:
-        php: ['7.2', '7.3', '7.4', '8.0', '8.1']
+        php: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2']
 
     steps:
       - name: Set up PHP
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
+          ini-values: error_reporting=E_ALL
           coverage: 'none'
           extensions: mbstring
 
       - name: Checkout code
         uses: actions/checkout@v3
 
+      - name: Fake PHP version for 8.2.
+        run: composer config platform.php 8.1.99
+        if: matrix.php == '8.2'
+
       - name: Install dependencies
         run: composer update --no-interaction --no-progress
 

.github/workflows/integration.yml

@@ -14,18 +14,23 @@ jobs:
     strategy:
       max-parallel: 10
       matrix:
-        php: ['7.2', '7.3', '7.4', '8.0', '8.1']
+        php: ['7.2', '7.3', '7.4', '8.0', '8.1', '8.2']
 
     steps:
       - name: Set up PHP
         uses: shivammathur/setup-php@v2
         with:
           php-version: ${{ matrix.php }}
+          ini-values: error_reporting=E_ALL
           coverage: none
 
       - name: Checkout code
         uses: actions/checkout@v3
 
+      - name: Fake PHP version for 8.2.
+        run: composer config platform.php 8.1.99
+        if: matrix.php == '8.2'
+
       - name: Install dependencies
         run: composer update --no-interaction --no-progress
 

phpunit.xml.dist

@@ -5,6 +5,7 @@
     beStrictAboutOutputDuringTests="true"
     beStrictAboutTestsThatDoNotTestAnything="true"
     bootstrap="vendor/autoload.php"
+    convertDeprecationsToExceptions="true"
 >
     <testsuites>
         <testsuite name="Guzzle PSR-7 Unit Test Suite">