我可以将自定义字体样式应用于CSV文件的标题吗?

这是一种自定义生成的csv文件头的方法吗?

$result = $db->select(" table","",""," fitstname, lastname, campany");
$headers = array("fistname","lastname","campany"); 
$fp = fopen('php://output', 'w'); 
if ($fp && $result) {     
    header('Content-Type: text/csv ; charset=utf-8');
    header('Content-Disposition: attachment; filename="recap.csv"');
    header('Pragma: no-cache');    
    header('Expires: 0');
    fputcsv($fp, $headers); 
    for ($i= 0; $i < sizeof($result); $i++) {
        fputcsv($fp, array_values($result[$i])); 
    }
    die; 
} 

更新:这里输出:

nom,prenom,societe
Charles,Olivier,"Zed way"
Bernard,Gautier,"Media Productions"

问候。