/**
* Returns an array containing, for each field, the arary key used for that
* field in self::$_fields.
*
* @return array
*/
static function &fieldKeys()
{
if (!self::$_fieldKeys) {
self::$_fieldKeys = array('id' => 'id', 'created_date' => 'created_date', 'transaction_date' => 'transaction_date', 'contact_id' => 'contact_id', 'description' => 'description', 'amount' => 'amount', 'currency' => 'currency', 'financial_account_id' => 'financial_account_id', 'status_id' => 'status_id', 'entity_table' => 'entity_table', 'entity_id' => 'entity_id');
}
return self::$_fieldKeys;
}
