ibase_close --
Close a connection to an InterBase database
Description
bool ibase_close ( [resource connection_id] )
Closes the link to an InterBase database that's associated with
a connection id returned from ibase_connect().
If the connection id is omitted, the last opened link is assumed.
Default transaction on link is committed, other transactions are
rolled back. Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.