Mini Shell

<?php 
include('../../config.php');
extract($_POST);
$query = "SELECT 
          (select r.registros_titulo from registros as r where r.registros_id = rc.registros_id) as registros_titulo, 
          (select r.registros_imagem from registros as r where r.registros_id = rc.registros_id) as registros_imagem, 
          (select r.registros_url from registros as r where r.registros_id = rc.registros_id) as registros_url
          FROM 
          registros_categorias as rc
          WHERE 
          categorias_id = $idcat
          LIMIT 4";
$registros = mysqli_query($config, $query) or die(mysqli_error());
?>
<?php while($row_registros = mysqli_fetch_assoc($registros)){ ?>
    <div class="col-lg-3 col-md-4 col-sm-6" data-mh="mygroup">
        <a href="<?php echo RAIZ.$pgUrl."/".$row_registros['registros_url'] ?>" class="grade2">
            <img src="<?php echo RAIZ."timthumb.php?src=".RAIZ_UP.$row_registros['registros_imagem'] ?>&zc=1&w=263&h=240" class="img-fluid img-rounded">
            <h3><?php echo $row_registros['registros_titulo'] ?></h3>
        </a>
    </div>
<?php } ?>