PHP 4.0
end of lifeEOL 2001-06-23
PHP 4.0 reached end of life on 2001-06-23 and is no longer supported. First release: 2000-05-22. Latest stable release: 4.0.6. Lifecycle periods below are derived from official vendor sources with provenance.
Latest stable 4.0.6 (2001-06-23)
Lifecycle & support periods
| Phase | From | Until | Provider | Source |
|---|---|---|---|---|
| standard support | 2000-05-22 | 2002-05-22 | The PHP Group | PHP Supported Branches |
| end of life | 2001-06-23 | — | The PHP Group | PHP Supported Branches |
| security support | 2002-05-22 | 2001-06-23 | The PHP Group | PHP Supported Branches |
Provenance
Every lifecycle fact is traceable to its authoritative source.
- PHP Supported Branchesfirst party · highhttps://www.php.net/releases/branches.php
Retrieved 2026-08-28 · PHP 4.0 end-of-life
- PHP Supported Branchesfirst party · highhttps://www.php.net/releases/branches.php
Retrieved 2026-08-28 · PHP 4.0 security support only
- PHP Supported Branchesfirst party · highhttps://www.php.net/releases/branches.php
Retrieved 2026-08-28 · PHP 4.0 active support
Recent releases
- 4.0.62001-06-23
- 4.0.52001-04-30
- 4.0.42000-12-19
- 4.0.32000-10-11
- 4.0.22000-08-29
- 4.0.12000-06-28
- 4.0.02000-05-22