(PHP 4 >= 4.0.6, PHP 5, PHP 7)
Change logged in user of the active connection
bool fbsql_change_user ( string $user, string $password [, string $database [, resource $link_identifier ]] )
fbsql_change_user() changes the logged in user of the specified connection. If the new user and password authorization fails, the current connected user stays active.
Parameters:
user