HTTP - Content-Disposition Header (Save as)

The content-disposition HTTP header indicates to the user-agent (ie browser) if the content (resource/body):

• can be shown in the user-agent (ie browser)
• or should be downloaded (ie save as)

In php

if ($download) {
	header('Content-Disposition: attachment;' . rfc2231_encode('filename', \dokuwiki\Utf8\PhpString::basename($orig)) . ';');
} else {
	header('Content-Disposition: inline;' . rfc2231_encode('filename', \dokuwiki\Utf8\PhpString::basename($orig)) . ';');
}