J'utilise php 7
, en essayant d'obtenir un fichier csv à partir des données stockées dans le tableau qui sont "id", "name", "code" , "catégorie", "prix", "stock_count"Attention: mysqli_fetch_field_direct(): Le décalage de champ n'est pas valide pour le résultat sur la ligne 16
choses sont bien, mais obtenir des avertissements comme
<b>Warning</b>: mysqli_fetch_field_direct(): Field offset is invalid for resultset in <b>C:\xampp\htdocs\php_csv_file_export\php_csv_export_method1.php</b> on line <b>8</b><br />
<b>Warning</b>: mysqli_fetch_field_direct(): Field offset is invalid for resultset in <b>C:\xampp\htdocs\php_csv_file_export\php_csv_export_method1.php</b> on line <b>8</b><br />
code
est inférieure à
<?php
$con= mysqli_connect("localhost", "root", "", "phpp");
$result=mysqli_query($con,"select * from top");
$num_column=mysqli_num_rows($result);
$csv_header = '';
for($i=0;$i<$num_column;$i++)
{
if(isset(mysqli_fetch_field_direct($result,$i)->name))
{
$csv_header .= '"' . mysqli_fetch_field_direct($result,$i)->name . '",';
}
}
$csv_header .= "\n";
$csv_row ='';
while($row = mysqli_fetch_row($result))
{
for($i=0;$i<$num_column;$i++)
{
if(isset($row[$i]))
{
$csv_row .= '"' . $row[$i] . '",';
}
}
$csv_row .= "\n";
}
/* Download as CSV File */
header('Content-type: application/csv');
header('Content-Disposition: attachment; filename=toy_csv.csv');
echo $csv_header . $csv_row;
exit;
?>