ibase_rollback
(PHP 5, PHP 7)
ibase_rollback — Roll back a transaction
说明
   ibase_rollback
    ([ resource 
  $link_or_trans_identifier = NULL
  ] ) : boolRolls back a transaction.
参数
- 
link_or_trans_identifier
- 
      If called without an argument, this function rolls back the default transaction of the default link. If the argument is a connection identifier, the default transaction of the corresponding connection will be rolled back. If the argument is a transaction identifier, the corresponding transaction will be rolled back. 
返回值
   成功时返回 TRUE, 或者在失败时返回 FALSE。