/**
* Get value(s) of primary key(s)
*
* @param mixed $table Table index or name
* @return mixed
*/
public function getId($table = null)
{
if (!isset($table)) {
$table = isset($this->_baseTable) ? $this->_baseTable->getTablename() : 0;
}
if (is_int($table) && !empty($this->_tablerefs)) {
$tables = array_keys($this->_tablerefs);
if (!isset($tables[$table])) {
throw new DB_Exception("Unable to get id of table number {$table}: Record only holds fields of " . count($tables) . " tables.");
}
$table = $tables[$table];
}
if (!isset($this->_primaryKeyFields)) {
$this->indexPrimairyKeyFields();
}
if (!isset($this->_primaryKeyFields[$table])) {
throw new DB_Exception("Unable to get id of table '{$table}': Record does not hold the fields for the primary key(s).");
}
if (count($this->_primaryKeyFields[$table]) === 1) {
return $this->_primaryKeyFields[$table][0]->getValue();
}
foreach ($this->_primaryKeyFields[$table] as $field) {
$ids[] = $field->getValue();
}
return $ids;
}
