(PHP 3 >= 3.0.6, PHP 4, PHP 5)
Close a connection to an InterBase database
( [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. Returns TRUE on success or FALSE on failure.