Not showing correct info PHP and Oracle query - php

Question

My question is about an Oracle database which i can connect with PHP. With the same query using SQL Developer i've got this:
But in PHP:
$tsql= "select orden, fase, maquina_id, DescMaterial, dhsalida, scg_MaterialesLotes.lote, scg_MaterialesLotes.lotecli from scg_fases inner join scg_materiales on scg_fases.IdBoletin = scg_Materiales.IdBoletin inner join scg_MaterialesLotes on scg_Materiales.IdMatOf = scg_MaterialesLotes.IdMatOF";
$stmt = sqlsrv_query( $conn, $tsql);
if ( $stmt )
{
?>
while( $row = sqlsrv_fetch_array( $stmt, SQLSRV_FETCH_ASSOC))
{
$orden = $row["orden"];
$fase = $row["fase"];
$puesto = $row["maquina_id"];
$art = $row["CodMaterial"];
$desc = $row["DescMaterial"];
$fecha = $row["dhsalida"];
$lote = $row["scg_MaterialesLotes.lote"];
$loteCli = $row["scg_MaterialesLotes.lotecli"];
echo "<tr>";
echo "<td align=center>" . $orden . "</td>";
echo "<td align=center>" . $fase . "</td>";
echo "<td align=center>" . $puesto . "</td>";
echo "<td align=center>" . $art . "</td>";
echo "<td align=center>" . $desc . "</td>";
echo "<td align=center>" . $fecha . "</td>";
echo "<td align=center>" . $lote . "</td>";
echo "<td align=center>" . $loteCli . "</td>";
echo "</tr>";
}
?>
</table>
</body>
</html>
<?php
}
else
{
echo "Submission unsuccessful.";
die( print_r( sqlsrv_errors(), true));
}
sqlsrv_free_stmt( $stmt);
sqlsrv_close( $conn);
Using browser it shows:
Why i can't show the same info? Where is the problem? Thanks

Answer 1

1) Add CodMaterial field to your query You're not including the field CodMaterial in your query, so this line:
$art = $row["CodMaterial"];
Does nothing. So you can either add this field to the long list of fields in your query, or just use SELECT * FROM... to retrieve every field.
2) Don't use tablename.columnname in your query results rows When you query for scg_MaterialesLotes.lote for example, the resulting attribute will be called lote, so instead of having this in your PHP code:
$lote = $row["scg_MaterialesLotes.lote"];
Use this:
$lote = $row["lote"];
Do the same for scg_MaterialesLotes.lotecli
3) Echo $fecha as a string, at the moment is an object of type Instead of using:
echo "<td align=center>" . $fecha . "</td>";
Use this instead:
echo "<td align=center>" . ($fecha ? $fecha->format("Y-m-d H:i:s") : ""). "</td>";