dome_giuliano [2013-06-01 20:07] :

> Hi Philippe,
>
> Thank you for bearing with me.
> I tried php-interbase, and the same error message appears.
>
> Can I supply additional information, which would help solving this?
>

That's a Centos Epel support question, not Firebird one
because the package is in the repository you are using, see :
http://mirror.nl.leaseweb.net/epel/6/x86_64/
you have :
php-interbase-5.3.3-1.el6.x86_64.rpm