Close a connection to an InterBase database (PHP 3 >= 3.0.6, PHP 4, PHP 5)
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. 如果成功则返回 TRUE,失败则返回 FALSE

See also ibase_connect() and ibase_pconnect().