public static function getById($field_id, $lab_config_id, $tabletype)
{
# Returns a custom field entry
# $tabletype = 1 for specimen custom field
# $tabletype = 2 for patient custom field
# $tabletype = 3 for labtitle custom field
$table_name = "";
if ($tabletype == 1) {
$table_name = "specimen_custom_field";
} else {
if ($tabletype == 2) {
$table_name = "patient_custom_field";
} else {
if ($tabletype == 3) {
$table_name = "labtitle_custom_field";
} else {
return null;
}
}
}
$query_string = "SELECT * FROM {$table_name} " . "WHERE id={$field_id}";
$saved_db = DbUtil::switchToLabConfig($lab_config_id);
$record = query_associative_one($query_string);
DbUtil::switchRestore($saved_db);
return CustomField::getObject($record);
}
