&reftitle.install; Compile YAZ (ANSI/NISO Z39.50 support) and install it. Build PHP with your favourite modules and add option --with-yaz[=DIR]. Your task is roughly the following: If you are using YAZ as a shared extension, add (or uncomment) the following line in &php.ini; on Unix: extension=php_yaz.so And for Windows: extension=php_yaz.dll On Windows, php_yaz.dll depend on yaz.dll. You'll find yaz.dll in sub directory dlls in the Win32 zip archive. Copy yaz.dll to a directory in your PATH environment (c:\winnt\system32 or c:\windows\system32). &warn.imaprecodeyaz; The above problem is solved in version 2.0 of YAZ.