trans_args can be a combination of
IBASE_READ, IBASE_WRITE, IBASE_COMMITTED, IBASE_CONSISTENCY,
IBASE_CONCURRENCY, IBASE_REC_VERSION, IBASE_REC_NO_VERSION,
IBASE_WAIT and IBASE_NOWAIT.
Note:
The behaviour of this function has been changed in PHP 5.0.0. The first call
to ibase_trans() will not return the default transaction
of a connection. All transactions started by ibase_trans()
will be rolled back at the end of the script if they were not committed or
rolled back by either ibase_commit() or
ibase_rollback().
Note:
In PHP 5.0.0. and up, this function will accept multiple trans_args
and link_identifier arguments. This allows transactions
over multiple database connections, which are committed using a 2-phase commit
algorithm. This means you can rely on the updates to either succeed in every
database, or fail in every database. It does NOT mean you can use tables from
different databases in the same query!
If you use transactions over multiple databases, you will have to specify both
the link_id and transaction_id
in calls to ibase_query() and ibase_prepare().
Php ibase trans Function syntax tag
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Php ibase trans syntax tutorial
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