Probably, use don't have sqlite3 extension and phd requires it. >From your output:
> phpdocs/PhD requires PHP extension "sqlite3" -- Regards, Shein Alexey
- [PHP-DOC] Issues installing phd... Stefan Staudenmeyer
- Re: [PHP-DOC] Issues installing phd... Alexey Shein
- Re: [PHP-DOC] Issues installing phd... Stefan Staudenmeyer
- Re: [PHP-DOC] Issues installing phd... Hannes Magnusson
- Re: [PHP-DOC] Issues installing phd..... Hannes Magnusson
