(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_id
An InterBase link identifier returned from ibase_connect(). If omitted, the last opened link is assumed.
成功时返回 true
, 或者在失败时返回 false
。