$result = mysqli_query($db->getConnection(),$query);
$nbrows = mysqli_num_rows($result);
$result = mysqli_query($db->getConnection(),$limit);
$filastotal=mysqli_num_rows($result);
echo '{"total":"'.$totalregistros.'","results":[';
while($rec = mysqli_fetch_array($result))
for ($xx=0;$xx<$num;$xx++)
function limpiarString($texto)
$textoLimpio = preg_replace('([^A-Za-z0-9])', '', $texto);
echo '"'.utf8_encode(addslashes($arr[$xx])),'":';