query("SELECT id,titulo FROM landing_pages WHERE id={$landing_id}")->fetch_assoc();
if (!$landing) die('Landing no existe');
$rows = [];
$st = $conn->prepare("
SELECT lv.id AS variant_id, COALESCE(lv.nombre,'Base') AS nombre,
SUM(lvs.event_type='impression') AS impresiones,
SUM(lvs.event_type='conversion') AS conversiones
FROM landing_variant_stats lvs
LEFT JOIN landing_variants lv ON lv.id=lvs.variant_id
WHERE lvs.landing_id=?
GROUP BY lvs.variant_id, lv.nombre
ORDER BY impresiones DESC
");
$st->bind_param('i',$landing_id);
$st->execute();
$res = $st->get_result();
while($r=$res->fetch_assoc()){
$r['cr'] = $r['impresiones'] ? round(100*$r['conversiones']/$r['impresiones'],2) : 0.0;
$rows[] = $r;
}
?>
Landing: Stats