PHP 8.3 security support: sunset date 2027-12-31
The sunset date for PHP 8.3 security support is 2027-12-31, which is 447 days after 2026-10-10, the date this data was compiled.
- Provider
- PHP Group
- Category
- language-runtime
- Sunset date
- 2027-12-31 (447 days remaining as of 2026-10-10)
- What stops working
- PHP 8.3 stops receiving security fixes; active (bug-fix) support ended on 2025-12-31.
- Replacement
- PHP 8.4 or 8.5
Source
PHP: Supported Versions, www.php.net (printed as text, not linked). Read on 2026-10-10. Confirm the date on that page before acting.
Related sunsets
- PHP 8.2 security support (2026-12-31)
- Ruby 3.3 (2027-03-31)
- Node.js 22 (2027-04-30)