Juand duplicate

  $query='
    SELECT ab.* FROM (
        SELECT "" as id,f.id_cliente, f.fecha_operacion AS fechahora, f.hora_operacion AS hora, CONCAT(f.fecha_operacion, \' \', f.hora_operacion) AS fechaorden, f.codfactura, f.total_cuenta_corriente AS monto, f.borrado,"" AS detalle_movimiento,"" AS verificado,"1" AS orden, f AS facturado FROM facturas f WHERE f.total_cuenta_corriente<>0 AND f.total_cuenta_corriente<>-1 AND f.id_cliente='.$id_cliente.'
      UNION ALL
        SELECT cm.id AS id,cm.cliente_relacionado, cm.fecha AS fechahora, cm.hora AS hora, CONCAT(cm.fecha, \' \', cm.hora) AS fechaorden,cm.mas_detalle,cm.monto,"",cm.detalle_movimiento,cm.verificado,"2","" FROM cajas_movimientos cm WHERE (cm.verificado = "**" OR cm.verificado = "||") AND cm.cliente_relacionado='.$id_cliente.'
      ) ab
      ORDER BY fechaorden ASC';


$string_imprime .="
    <tr>
      <td class='td_f'>".$fecha_operacion."</td>
  ";
?>

      <?php if($datos_detalles['verificado'] == "||"){
        $string_imprime .= "<td class='td_cc'>RECIBO [no afecto caja]</td>";
      }else {
        $string_imprime .= "<td class='td_cc'><a class='ver_resumen' href='../../print/recibo.php?id_cliente=".$id_cliente."&monto=".$monto."&saldo=".$saldo_total."&href=ok'>RECIBO</a></td>";
      }
      $string_imprime .="<td class='cod_f'>";
      ?>
        <?php
          $recibo=explode('&&&',$datos_detalles['detalle_movimiento']);
            if($recibo[0] != ''){
              $string_imprime .="<a class='ver_resumen' href='../../print/recibo.php?id_cliente=".$id_cliente."&monto=".$monto."&saldo=".$saldo_total."&href=ok'>".$recibo[0]."</a>";
            }else{
              $string_imprime .="<a class='ver_resumen' href='../../print/recibo.php?id_cliente=".$id_cliente."&monto=".$monto."&saldo=".$saldo_total."&href=ok'>X</a>";
            }
          $string_imprime.="</td>";
        ?>
      <?php
        $string_imprime .="<td class='td_cc'></td>";
      ?>
      <?php if($datos_detalles['verificado'] == "||"){
        $string_imprime.="<td class='td_cc'>".number_format($monto, 2, ',', '.').' '.$datos_detalles['detalle_movimiento']."</td>";
      }else {
        $string_imprime.="<td class='td_cc'>".number_format($monto, 2, ',', '.')."</td>";
      }
      $string_imprime .="<td class='td_cc'>".number_format($acumulado, 2, ',', '.')."</td>";
      ?>
      <?php
      if(($privilegio=="Super Administrador")||($privilegio=="Administrador")){ ?>
        <!-- <td class="td_cc"><a class="eliminar" id="<?php echo $datos_detalles['id']; ?>">eliminar</a>  <a class="imprimir">imprimir</a></td> -->
      <?php }else{
          $string_imprime.="<td class='td_cc'></td>";
      } ?>
<?php
$string_imprime.="</tr>";