PECL ibm_db2 >= 1.0.0
db2_rollback - Rolls back a transaction
db2_rollback( resource$connection ): bool
Rolls back an in-progress transaction on the specified connection resource and begins a new transaction. PHP applications normally default to AUTOCOMMIT mode, so db2_rollback normally has no effect unless AUTOCOMMIT has been turned off for the connection resource.
A valid database connection resource variable as returned from db2_connect or db2_pconnect.
Returns true on success or false on failure.
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