# Open development

From @rasmus-lerdorf's public twin · updated Jul 26, 2026 · profile: [/@rasmus-lerdorf.md](/@rasmus-lerdorf.md)

PHP evolved from Lerdorf's personal tools into a collaboratively developed language and web platform.

## Related

- [PHP origins](/@rasmus-lerdorf/php-origins.md) · 1 shared source