[FEATURE] Add support for PHP 8.4

Comment-out GitHub Action jobs that fail with PHP 8.4 due to
incompatible dependencies.

.github/workflows/ci.yml

@@ -44,6 +44,7 @@ jobs:
           - "8.1"
           - "8.2"
           - "8.3"
+          - "8.4"
   code-quality:
     name: "Code quality checks"
     runs-on: ubuntu-24.04
@@ -174,6 +175,12 @@ jobs:
           - typo3-version: "^12.4"
             php-version: "8.3"
             composer-dependencies: highest
+          - typo3-version: "^12.4"
+            php-version: "8.4"
+            composer-dependencies: lowest
+          - typo3-version: "^12.4"
+            php-version: "8.4"
+            composer-dependencies: highest
   functional-tests:
     name: "Functional tests"
     runs-on: ubuntu-24.04
@@ -251,6 +258,12 @@ jobs:
           - typo3-version: "^12.4"
             php-version: "8.3"
             composer-dependencies: highest
+#          - typo3-version: "^12.4"
+#            php-version: "8.4"
+#            composer-dependencies: lowest
+          - typo3-version: "^12.4"
+            php-version: "8.4"
+            composer-dependencies: highest
   shellcheck:
     name: Check shell scripts
     runs-on: ubuntu-24.04

.gitlab/pipeline/.gitlab-ci.yml

@@ -20,6 +20,8 @@ include:
   - '/.gitlab/pipeline/jobs/func-v12-php8.2-lowest.yml'
   - '/.gitlab/pipeline/jobs/func-v12-php8.3-highest.yml'
   - '/.gitlab/pipeline/jobs/func-v12-php8.3-lowest.yml'
+  - '/.gitlab/pipeline/jobs/func-v12-php8.4-highest.yml'
+  - '/.gitlab/pipeline/jobs/func-v12-php8.4-lowest.yml'
   - '/.gitlab/pipeline/jobs/javascript-lint.yml'
   - '/.gitlab/pipeline/jobs/json-lint.yml'
   - '/.gitlab/pipeline/jobs/php-cs-fixer.yml'
@@ -34,6 +36,7 @@ include:
   - '/.gitlab/pipeline/jobs/unit-v12-php8.2-lowest.yml'
   - '/.gitlab/pipeline/jobs/unit-v12-php8.3-highest.yml'
   - '/.gitlab/pipeline/jobs/unit-v12-php8.3-lowest.yml'
+  - '/.gitlab/pipeline/jobs/unit-v12-php8.4-highest.yml'
   - '/.gitlab/pipeline/jobs/xliff-lint.yml'
   - '/.gitlab/pipeline/jobs/yaml-lint.yml'
   - template: Security/Secret-Detection.gitlab-ci.yml

.gitlab/pipeline/jobs/func-v12-php8.4-highest.yml

@@ -0,0 +1,14 @@
+func-v12-php8.4-highest:
+  extends: .default
+  image: ghcr.io/typo3/core-testing-php84:latest
+  services:
+    - mariadb:10
+  stage: test
+  needs:
+    - build-composer-dependencies
+    - php-lint-php8.4
+  script:
+    - echo "Job ${CI_JOB_NAME}"
+    - composer require --no-ansi --no-interaction --no-progress --no-install typo3/cms-core:"^12.4"
+    - composer update --no-ansi --no-interaction --no-progress --with-dependencies
+    - composer ci:tests:functional

.gitlab/pipeline/jobs/func-v12-php8.4-lowest.yml

@@ -0,0 +1,14 @@
+func-v12-php8.4-lowest:
+  extends: .default
+  image: ghcr.io/typo3/core-testing-php84:latest
+  services:
+    - mariadb:10
+  stage: test
+  needs:
+    - build-composer-dependencies
+    - php-lint-php8.4
+  script:
+    - echo "Job ${CI_JOB_NAME}"
+    - composer require --no-ansi --no-interaction --no-progress --no-install typo3/cms-core:"^12.4"
+    - composer update --no-ansi --no-interaction --no-progress --with-dependencies --prefer-lowest
+    - composer ci:tests:functional

.gitlab/pipeline/jobs/php-lint-php8.4.yml

@@ -0,0 +1,7 @@
+php-lint-php8.4:
+  extends: .composer-update
+  image: ghcr.io/typo3/core-testing-php84:latest
+  stage: lint
+  needs: [ ]
+  script:
+    - composer ci:php:lint

.gitlab/pipeline/jobs/unit-v12-php8.4-highest.yml

@@ -0,0 +1,11 @@
+unit-v12-php8.4-highest:
+  extends: .default
+  image: ghcr.io/typo3/core-testing-php84:latest
+  stage: test
+  needs:
+    - build-composer-dependencies
+    - php-lint-php8.4
+  script:
+    - echo "Job ${CI_JOB_NAME}"
+    - composer require --no-progress typo3/cms-core:"^12.4"
+    - composer ci:tests:unit

CHANGELOG.md

@@ -6,6 +6,7 @@ This project adheres to [Semantic Versioning](https://semver.org/).
 ## x.y.z
 
 ### Added
+- Add support for PHP 8.4 (#1536)
 - Add support for PostgreSQL 16 (#1271)
 
 ### Changed

composer.json

@@ -39,7 +39,7 @@
 		"docs": "https://docs.typo3.org/p/ttn/tea/main/en-us/"
 	},
 	"require": {
-		"php": "~8.1.0 || ~8.2.0 || ~8.3.0",
+		"php": "~8.1.0 || ~8.2.0 || ~8.3.0 || ~8.4.0",
 		"psr/http-message": "^1.0.1",
 		"typo3/cms-core": "^12.4.26",
 		"typo3/cms-extbase": "^12.4.26",

ext_emconf.php

@@ -7,7 +7,7 @@ $EM_CONF[$_EXTKEY] = [
     'category' => 'example',
     'constraints' => [
         'depends' => [
-            'php' => '8.1.0-8.3.99',
+            'php' => '8.1.0-8.4.99',
             'typo3' => '12.4.26-12.4.99',
             'extbase' => '12.4.26-12.4.99',
             'fluid' => '12.4.26-12.4.99',

rector.php

@@ -94,7 +94,7 @@ return RectorConfig::configure()
     ])
     ->withImportNames(true, true, false)
     ->withConfiguredRule(ExtEmConfRector::class, [
-        ExtEmConfRector::PHP_VERSION_CONSTRAINT => '8.1.0-8.3.99',
+        ExtEmConfRector::PHP_VERSION_CONSTRAINT => '8.1.0-8.4.99',
         ExtEmConfRector::TYPO3_VERSION_CONSTRAINT => '12.4.26-12.4.99',
         ExtEmConfRector::ADDITIONAL_VALUES_TO_BE_REMOVED => [],
     ])