query("SELECT * FROM landing_pages WHERE id={$landing_id}")->fetch_assoc();
if (!$landing) die('Landing no existe');
$blocks = $conn->query("SELECT id,nombre,tipo FROM landing_blocks ORDER BY nombre ASC")->fetch_all(MYSQLI_ASSOC);
// bloques ya asignados (por zona y posición)
$assigned = [];
$rs = $conn->query("SELECT lpb.id, lpb.block_id, lpb.zona, lpb.posicion, lb.nombre, lb.tipo
FROM landing_page_blocks lpb
JOIN landing_blocks lb ON lb.id=lpb.block_id
WHERE lpb.landing_id={$landing_id}
ORDER BY lpb.zona, lpb.posicion");
while($r=$rs->fetch_assoc()){ $assigned[$r['zona']][] = $r; }
?>
Landing Builder (Drag & Drop)