(PHP 5, PHP 7 < 7.4.0)
ibase_close — Close a connection to an InterBase database
$connection_id = null): boolCloses the link to an InterBase database that's associated with a connection id returned from ibase_connect(). Default transaction on link is committed, other transactions are rolled back.
connection_idAn InterBase link identifier returned from ibase_connect(). If omitted, the last opened link is assumed.
成功時(shí)返回 true， 或者在失敗時(shí)返回 false。