Use the below code snippet as it is,just make sure to include your config file which has connection with the database.
make a file named generate.php .
<?php
include("config.php"); //config file containing connection to your database,you can name it whatever you want.
// Fetch Record from Database
$output = "";
$table = "mytable"; // Enter Your Table Name
$sql = mysql_query("select * from $table");
$columns_total = mysql_num_fields($sql);
// Get The Field Name
for ($i = 0; $i < $columns_total; $i++) {
$heading = mysql_field_name($sql, $i);
$output .= '"'.$heading.'",';
}
$output .="\n";
// Get Records from the table
while ($row = mysql_fetch_array($sql)) {
for ($i = 0; $i < $columns_total; $i++) {
$output .='"'.$row["$i"].'",';
}
$output .="\n";
}
// Download the file
$filename = "myFile.csv";
header('Content-type: application/csv');
header('Content-Disposition: attachment; filename='.$filename);
echo $output;
exit;
?>
If you want to generate csv file on click of any button or link.Just give path of this file in the link.Like:
<a href="generate.php">generate csv</a>
