Description
bool 
fbsql_rollback ( [resource link_identifier] )
 
     Returns TRUE on success or FALSE on failure.
    
 
     fbsql_rollback() ends the current transaction by
     rolling back all statements issued since last commit.
     This command is only needed if autocommit is set to false.
    
 See also:
     fbsql_autocommit() and
     fbsql_commit()