Read image file #PHP

download_image.php

<?php

$remoteImage = "http://domain.test/15234430911059048477.jpg";
$imginfo = getimagesize($remoteImage);

header('Content-Description: File Transfer');
header("Content-type: {$imginfo['mime']}");
header('Content-Disposition: attachment; filename="'.basename($remoteImage).'"');
header('Expires: 0');
header('Cache-Control: must-revalidate');
header('Pragma: public');
header('Content-Length: ' . filesize($remoteImage));

readfile($remoteImage);
exit();

read_image.php

<?php

    $remoteImage = "http://DOMAIN/image.jpg";
    $imginfo = getimagesize($remoteImage);
    header("Content-type: {$imginfo['mime']}");
    readfile($remoteImage);