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[eluser]Ajaxian64[/eluser]
Thanks to all for your responses.
viva CI !

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[eluser]Ngua Go[/eluser]
i try to use CI-tip, very nice but have any problem not good !

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[eluser]Derek Allard[/eluser]
Just wanted to pop in here.

Yeah, sorry, there is no currently set "official release", but I can tell you that *all* our commercial products are currently built on CI2 - the truth is, its getting very close. If you're starting a new project, it might be worth starting it in CI2, although as everyone here has outlined, the upgrade path from CI1 to CI2 is pretty painless.

An interesting story, I started building MojoMotor on CI1. It continued on CI1 for probably 90% of its development life. A few weeks before I unveiled it at the EECI conference, I updated it to CI2. The upgrade took me literally 20 minutes. Now I concede that I'm pretty familiar with both code bases, but the point is that the update is very straightforward. All that said, I'd still start in CI2 at this point

CI2 will be the exclusive recipient of development energy from now on (from EllisLab at least).

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[eluser]mddd[/eluser]
Thanks Derek, that is great to hear!

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[eluser]Ajaxian64[/eluser]
Thanks Derek, It's encourage me to use CI2
Thanks

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[eluser]Ajaxian64[/eluser]
hmmmm!!!
I get CI2 from BitBucket and I ve a look on classes.
There still exists tests to know whether system runs on php5 or php4
I'm surprised to have this kind of code in CI2.0 which is intended to work in pure php5

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[eluser]WanWizard[/eluser]
Nobody ever said that CI 2.0 is PHP5 only.

I only saw "Deprecated", which means PHP4 support is going to disappear in the near future, and you shouldn't use it anymore.

Nobody's stopping you from developing your own CI app without PHP4 support, what CI does internally shouldn't concern you (it is transparent from your app's point of view).

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[eluser]erik.brannstrom[/eluser]
[quote author="Ajaxian64" date="1277550128"]hmmmm!!!
I get CI2 from BitBucket and I ve a look on classes.
There still exists tests to know whether system runs on php5 or php4
I'm surprised to have this kind of code in CI2.0 which is intended to work in pure php5[/quote]

No, CI 2.0 is not meant to be pure PHP5. This is from the change log:

PHP 4 support is deprecated. Features new to 2.0.0 may not support PHP 4, and all legacy features will no longer support PHP 4 as of 2.1.0.

In other words, this milestone only starts the process of phasing out PHP4, a process which will be completed in version 2.1.0.