Symfony 6.4+PHP 8.4

Why?

Why is Symfony 6.4 compatible with PHP 8.4?

Requirement

PHP >=8.1.0

Selected version

PHP 8.4

Evaluation

8.4.25 satisfies >=8.1.0

Conclusion

COMPATIBLE

Evidence

CompatHub reports compatibility from upstream sources rather than making unsupported claims of its own.

• Symfony releases.json

  Confidence: HIGH

  https://symfony.com/releases.json

  Retrieved 31 August 2026

  Requirement: >=8.1.0

PHP versions

Compatibility is derived from the project's declared PHP requirement (>=8.1.0); it does not mean every version combination has been independently tested.

• 8.0❌
• 8.1✓
• 8.2✓
• 8.3✓
• 8.4✓
• 8.5✓

Other PHP versions satisfying this requirement

Symfony 6.4 — compatible PHP lines tracked in CompatHub

• ✓PHP 8.1version lineEOL
• ✓PHP 8.2version linesupported
• ✓PHP 8.3version linesupported
• ✓PHP 8.4version linesupported
• ✓PHP 8.5version linesupported

Other Symfony versions

Only lines with relevant compatibility evidence are listed.

• Symfony 8.1
• Symfony 8.0
• Symfony 7.4
• Symfony 7.3
• Symfony 7.2
• Symfony 7.1
• Symfony 7.0
• Symfony 6.4
• Symfony 6.3
• Symfony 6.2
• Symfony 6.1
• Symfony 6.0
• Symfony 5.4
• Symfony 5.3
• Symfony 5.2
• Symfony 5.1
• Symfony 5.0
• Symfony 4.4
• Symfony 4.3
• Symfony 4.2
• Symfony 4.1
• Symfony 4.0
• Symfony 3.4

Lifecycle context

Lifecycle status is separate from compatibility. An EOL component can still satisfy a documented version requirement.

Supported alternatives

PHP lines that satisfy this requirement and are still supported.

• PHP 8.2supported
• PHP 8.3supported
• PHP 8.4supported
• PHP 8.5supported