public function zap_all_cards()
{
CinsImpError::unimplemented();
// UNTIL REFACTORED, DISABLED
$this->stack_will_be_modified();
$stmt = $this->file_db->prepare('DELETE FROM card');
Stack::sl_ok($stmt, $this->file_db, 'Deleting All Cards (1)');
$rows = $stmt->execute();
Stack::sl_ok($rows, $this->file_db, 'Deleting All Cards (2)');
$stmt = $this->file_db->prepare('DELETE FROM bkgnd');
Stack::sl_ok($stmt, $this->file_db, 'Deleting All Cards (3)');
$rows = $stmt->execute();
Stack::sl_ok($rows, $this->file_db, 'Deleting All Cards (4)');
}
