问readfile()的替代方法

EN

if(isset($_POST['file_name'])) {
$bucket = $_POST['bucket'];
$fname = $_POST['file_name'];
$accessKey = 'AKIAIEHFBME6F5Q62FTQ';
$secretKey = '<REMOVED>';
$file_type = pathinfo($fname, PATHINFO_EXTENSION);

$mp3_url = el_s3_getTemporaryMP3Link($accessKey, $secretKey, $bucket, $fname);    
$zip_url = el_s3_getTemporaryZipLink($accessKey, $secretKey, $bucket, $fname);


if ($file_type === "mp3") {
    header('Content-type: audio/mpeg3');
    header('Content-Disposition: attachment; filename="themixtapesite_'.$fname.'"');
    readfile($mp3_url);
    exit();
} else if ($file_type === "zip") {
    header('Content-type: application/zip');
    header('Content-Disposition: attachment; filename="themixtapesite_'.$fname.'"');
    readfile($zip_url);
    exit();
} else {
    echo "Sorry, File does not exist";
}