Executes an SQL statement and returns a single value.
public function UnbDatabase::QueryValue ($sql, $parameters = null);
(string) SQL statement
(PDOStatement) Already prepared statement
(array) Parameters to be used in this SQL statement, null
if no parameters are used.
The first record's first column, if successful, null
if no record was fetched.
UnbDatabaseException | If the statement could not be prepared or executed. |
Member of class: UnbDatabase
Implementation file: database.class.php, line 888
© 2011 Yves Goergen. UNB Components Homepage. Reference generated on 2011-02-22.