Oh thanks !
That's the problem !
I thought the php module was installed with the new php 5.3 i installed, but it was'nt in this package !

Thanks again for everything !
Vincent

Always good to pay attention to what setup reports!

Yes ! when i installed zenphoto I didn't know what gettext was for...
I was lauching again the install setup when I red your post !
Thanks again for everything !
Vincent