RE: error Undefined index:

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De: Jigar Dhulla [mailto:jigar.tidus@xxxxxxxxx]
Enviado el: martes, 27 de marzo de 2018 3:38 p. m.
Para: Romero, Fernando <Fernando.Romero@xxxxxxxxxxxxxxxxxxxxxxx>
CC: php-general@xxxxxxxxxxxxx
Asunto: Re: [PHP] error Undefined index:



On Wed, Mar 28, 2018 at 12:04 AM, Romero, Fernando <Fernando.Romero@xxxxxxxxxxxxxxxxxxxxxxx<mailto:Fernando.Romero@xxxxxxxxxxxxxxxxxxxxxxx>> wrote:
I have an error with a variable in $ _POST that I can not find how to solve it

This is the error

Notice: Undefined index: empresa in /var/www/jobs/ganancia_por_empresa_mes.php on line 34

This is the query

<?php

$empresa = $_POST['empresa'];
$mes = $_POST['meses'];
$anio = $_POST['anio'];



if ( $_POST ) {
$result=pg_query("SELECT empresa, sum(valor) valor FROM trabajos WHERE empresa='$empresa' and to_char(fecha, 'TMMONTH')::varchar = '$mes' and date_part('year', fecha)= '$anio'
group by empresa");
$registros= pg_num_rows($result);

}
?>

<div align="center">
  <table border="1" cellpadding="1">
    <tr>
      <td><strong>Empresa</strong></td>
      <td><strong>Total</strong></td>

    </tr>

<?php
//mostrar resultados
for ($i=0;$i<$registros;$i++)
{

$row = pg_fetch_array ($result,$i );

//}
?>
      <tr>
      <td>
        <?php
  echo $row['empresa'];
  ?>
      </td>
      <td>$
        <?php
  echo $row['valor'];
   }
     ?>
  </td>

   </tr>

  </table>

</div>


<div align="center" ><a href="ganancia_empresa_mes.php">Volver</a></div>
</body>

</html>

The error of line 34 is this:

$empresa = $_POST['empresa'];

Thanks




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what is the output of ?

var_dump( $_POST );​


--
[https://thumbs.about.me/thumbnail/users/j/i/g/jigar_emailsig.jpg?_1518872123_201]<https://about.me/jigar?promo=email_sig&utm_source=product&utm_medium=email_sig&utm_campaign=edit_panel&utm_content=thumb>


Jigar Dhulla
about.me/jigar <https://about.me/jigar?promo=email_sig&utm_source=product&utm_medium=email_sig&utm_campaign=edit_panel&utm_content=thumb>

This is the file he calls

<body class="Azul">
<body style="background:#D3D3D3">
<p>
<body>
<form action="ganancia_por_empresa_mes.php" method="post">
<div align="center">
<select name = "lispart" onchange="fun_lista();">
<?php
$SQL="SELECT nombre FROM empresas";
$result = pg_query ($SQL ) or die("Error en la consulta SQL");
$registros= pg_num_rows($result);

  while ($row = pg_fetch_assoc($result))
{
echo "<option value='".$row['nombre']."'>".$row['nombre']."</option>";
}
?>
    </select>
  <select name="meses" id="meses">
    <option value="ENERO">enero</option>
    <option value="FEBRERO">febrero</option>
    <option value="MARZO">marzo</option>
    <option value="ABRIL">abril</option>
    <option value="MAYO">mayo</option>
    <option value="JUNIO">junio</option>
    <option value="JULIO">julio</option>
    <option value="AGOSTO">agosto</option>
    <option value="SEPTIEMBRE">septiembre</option>
    <option value="OCTUBRE">octubre</option>
    <option value="NOVIEMBRE">noviembre</option>
    <option value="DICIEMBRE">diciembre</option>
  </select>
  <select name="anio" id="anio">
    <option value="2018">2018</option>
    <option value="2019">2019</option>
    <option value="2020">2020</option>
  </select>
  <input type="submit" name="envio" id="envio" value="Enviar" />
</div></td>
    </tr>
  </div>
<label for="anio"></label>
<div align="center"></div>
</form>
<div align="center"><a href="principal.php">Volver</a></div>
</body>
</html>

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