First, I found there disappeared firebird/interbase extension files in ext folder, so I copied from 1.7.3.
I have no problem with Xampp server installed in C drive. Whenever I started the Xampp server with firebird installed as a service, it works giving no error messages.
But I have another portable virtual xampp server in my usb hdd using "subst" DOS command.
The old version 1.7.3 have been working perfectly.
I made a portable server with 1.7.4 and it gives error because it cannot load the php_interbase.dll and php_pdo_firebird.dll and I cannot find why.
I have tried with dll file from firebird yahoo group and still see the error message.
Is there any person who have succeeded with firebird extension? Please tell me your know-how.