PHP 8.4 security support: sunset date 2028-12-31
The sunset date for PHP 8.4 security support is 2028-12-31, which is 803 days after 2026-10-20, the reference date for every days-left figure on this site. The source was read on 2026-10-12.
- Provider
- PHP Group
- Category
- language-runtime
- Sunset date
- 2028-12-31 (803 days remaining as of 2026-10-20)
- What stops working
- PHP 8.4 stops receiving security fixes; active (bug-fix) support ends on 2026-12-31.
- Replacement
- PHP 8.5 or newer
Source
PHP: Supported Versions (www.php.net). Read on 2026-10-12. Confirm the date on that page before acting.
Official source (copy into your browser): https://www.php.net/supported-versions.php
Related sunsets
- PHP EOL dates: all PHP versions
- PHP 8.3 security support (2027-12-31)
Earlier 34-date snapshot as one CSV + PDF calendar (this site lists more dates than the file)