onverting the data base return to csv form(for excel)

onverting the data base return to csv form(for excel)

<?php

/*
 * $result should be the return of a function of line "fetch_assoc", returned of a query on the data base
 */

if(!empty($result)) {
  
    $filename = date('Ymd').'.csv';

    $header = array_values(array_keys($result[0]));

    $out = '"'.implode('";"', $header)."\"\r\n";

    header("Content-type: text/csv; charset=utf-8");
    header("Content-Disposition: attachment; filename=".$filename);

    foreach ($result as $key => $value) {
        $out .= '"'.implode('";"', $value)."\"\r\n";
    }

    echo $out;

}