PHP 5.5

End of life

5.5.38 Release notes ↗

Is PHP 5.5 still supported?

No

PHP 5.5 reached end of life on Jul 21, 2016 (10 years ago). It no longer gets updates, including security fixes. Upgrade to PHP 8.5 (latest 8.5.11), supported until Dec 31, 2029.

Released
Jun 20, 2013
Active support ended
Jul 10, 2015
11 years ago
End of life
Jul 21, 2016
10 years ago
Latest version
5.5.38
Jul 21, 2016

Upgrade path

The recommended upgrade is PHP 8.5, currently at 8.5.11 and supported until Dec 31, 2029.

Not sure? Run php --version

How to upgrade from PHP 5.5 to PHP 8.5

Ubuntu / Debian (Ondřej Surý's packages)

sudo apt update
sudo apt install --only-upgrade php8.5-cli php8.5-fpm

Add any other php8.5-* extensions you use. Moving to a new branch? Install the new packages alongside the old ones, switch your web server or PHP-FPM pool over, then remove the old ones.

RHEL / Rocky / AlmaLinux (Remi)

sudo dnf module reset php -y
sudo dnf module enable php:remi-8.5 -y
sudo dnf upgrade 'php*'

Docker

docker pull php:8.5-fpm

Official upgrade guide ↗ Back up first, and test on a non-production machine when you move to a new branch.

Quick answers

Is PHP 5.5 still supported?
No. PHP 5.5 reached end of life on Jul 21, 2016 (10 years ago). It no longer gets updates, including security fixes. Upgrade to PHP 8.5 (latest 8.5.11), supported until Dec 31, 2029.
When is PHP 5.5 end of life?
PHP 5.5 reached end of life on Jul 21, 2016. It gets no more updates, including security fixes.
What is the latest version of PHP 5.5?
The latest PHP 5.5 release is 5.5.38, released on Jul 21, 2016.
When was PHP 5.5 released?
PHP 5.5 was released on Jun 20, 2013.
What should I upgrade PHP 5.5 to?
The recommended upgrade is PHP 8.5, currently at 8.5.11 and supported until Dec 31, 2029.
How do I check which PHP version I have?
Run php --version, then paste the result into the “Am I up to date?” box on this page.

Other PHP branches

All 18 →
  • 7.4 End of life
  • 7.3 End of life
  • 7.2 End of life
  • 7.1 End of life
  • 7.0 End of life
  • 5.6 End of life
  • 5.5 End of life
  • 5.4 End of life
  • 5.3 End of life
  • 5.2 End of life
  • 5.1 End of life
  • 5.0 End of life

← PHP 5.4 PHP 5.6 →

PHP 5.5 release history

RSS

Release dates for 39 PHP 5.5 versions, newest first.

  1. 5.5.38
  2. 5.5.37
  3. 5.5.36
  4. 5.5.35
  5. 5.5.34
  6. 5.5.33
  7. 5.5.32
  8. 5.5.31
  9. 5.5.30
  10. 5.5.29
All 39 releases
  1. 5.5.28
  2. 5.5.27
  3. 5.5.26
  4. 5.5.25
  5. 5.5.24
  6. 5.5.23
  7. 5.5.22
  8. 5.5.21
  9. 5.5.20
  10. 5.5.19
  11. 5.5.18
  12. 5.5.17
  13. 5.5.16
  14. 5.5.15
  15. 5.5.14
  16. 5.5.13
  17. 5.5.12
  18. 5.5.11
  19. 5.5.10
  20. 5.5.9
  21. 5.5.8
  22. 5.5.7
  23. 5.5.6
  24. 5.5.5
  25. 5.5.4
  26. 5.5.3
  27. 5.5.2
  28. 5.5.1
  29. 5.5.0

Keep track

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