Re: error Undefined index:

Hi. Change FROM $empresa = $_POST['empresa']; TO // To have a default value $empresa = ( isset( $_POST['empresa'] ) ) ? $_POST['empresa'] : ''; Alejandro Michelin Salomon ________________________________ De: Romero, Fernando <Fernando.Romero@trenesargentinos.gob.ar> Enviado: quarta-feira, 28 de março de 2018 10:32 Para: Jigar Dhulla; php-general@lists.php.net Assunto: RE: [PHP] error Undefined index: -----Mensaje original----- De: Jigar Dhulla [mailto:jigar.tidus@gmail.com] Enviado el: miércoles, 28 de marzo de 2018 8:33 a. m. Para: php-general@lists.php.net Asunto: Re: [PHP] error Undefined index: On Wed, Mar 28, 2018 at 4:11 PM, Romero, Fernando < Fernando.Romero@trenesargentinos.gob.ar> wrote: > > > > > *De:* Jigar Dhulla [mailto:jigar.tidus@gmail.com] *Enviado el:* > martes, 27 de marzo de 2018 3:38 p. m. > *Para:* Romero, Fernando <Fernando.Romero@trenesargentinos.gob.ar> > *CC:* php-general@lists.php.net > *Asunto:* Re: [PHP] error Undefined index: > > > > > > > > On Wed, Mar 28, 2018 at 12:04 AM, Romero, Fernando <Fernando.Romero@ > trenesargentinos.gob.ar> 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 > > > > > -- > PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: > http://www.php.net/unsub.php > > what is the output of ? > > var_dump( $_POST ); > > > > > > -- > > > > <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> > As Tim pointed out, there is no input element in your form which has attribute "name=empresa" -- <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> Thanks, solved