Feat/symfony 6 php 8.3 8.5

[simonhard]

Add Symfony 6.4 and PHP 8.1–8.5 support

No runtime code changes. All changes are limited to dependency constraints,
CI configuration, and test tooling.

---

Why now?

Component	Status
PHP 7.x	EOL since November 2022
Symfony 4	EOL since November 2023
Symfony 6.4	Current LTS (until November 2027)
PHP 8.3	Stable since November 2023
PHP 8.4	Stable since November 2024
PHP 8.5	RC (due November 2025)

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Test matrix

Before:

PHP	Symfony
7.2, 7.3, 7.4, 8.0, 8.1, 8.2	4.4.*, 5.4.*

After:

PHP	Symfony
8.1, 8.2, 8.3, 8.4, 8.5*	5.4.*, 6.4.*

* PHP 8.5 rows use continue-on-error: true until GA.

---

Changes

composer.json

• php: ^7.2|^8 → ^8.1
• All symfony/*: ^4|^5 → ^5.4|^6.4
• Remove symfony/polyfill-php80 (redundant at PHP 8.1+)
• phpunit/phpunit: ^8.5|^9.5 → ^9.6|^10.5
• symfony/phpunit-bridge: ^4.4|^5.4 → ^5.4|^6.4
• dms/phpunit-arraysubset-asserts: allow ^0.5 (PHPUnit 10 support)

phpunit.xml.dist

• Replace deprecated <filter><whitelist> with <source><include> (PHPUnit 10 schema)
• Drop <listeners> block (symfony/phpunit-bridge 5.4+ auto-registers via bootstrap)

.github/workflows/continuous-integration.yml

• Expand PHP/Symfony matrix as described above
• ubuntu-20.04 → ubuntu-latest
• actions/checkout@v2 → @v4
• ramsey/composer-install@v1 → @v3
• mikepenz/action-junit-report@v2 → @v4

src/Test/VCRTestCaseTrait.php

PHPUnit 10 removed TestCase::getName(). Replaced with name() + dataName(),
with a backwards-compatible fallback for PHPUnit 9:

if (method_exists($this, 'getName')) {
    $name = $this->getName($withDataSet);   // PHPUnit < 10
} else {
    $name = $this->name();                  // PHPUnit 10+
    if ($withDataSet && '' !== (string) $this->dataName()) {
        $name .= '-' . $this->dataName();
    }
}

tests/Functional/ConfigurationTest.php

Symfony 6.4's FrameworkExtension throws when buildContainer() is called on an
already-booted kernel, because the config has already been read and frozen during
the initial boot.

Before: bootKernel() → get static::$kernel → call buildContainer() again → error
After: create a fresh unbooted kernel → initializeBundles() → buildContainer()

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Breaking change

This is a minimum-requirements bump. Consumers pinned to PHP 7.x or Symfony 4
should stay on 2.1.x. If you prefer to keep master on the old floor and ship
this as a 3.x branch, I am happy to rebase.

---

Checklist

• composer update with SYMFONY_REQUIRE=6.4.* resolves cleanly
• Full test suite green on PHP 8.3 × Symfony 6.4 (PHPUnit 10.5)
• Full test suite green on PHP 8.3 × Symfony 5.4 (PHPUnit 10.5)
• No runtime source files modified

[simonhard]

@K-Phoen please update packagist or add a packagist api-token to the repo. Thanks 🙏