/**
* @param callable $pre
* @param callable $content
* @param callable $post
* @return callable
*/
function call_safe_dg($pre, $content, $post)
{
return function () use($pre, $content, $post) {
return call_safe($pre, $content, $post);
};
}
/**
* @param string|array $content
* @param string $basename
* @param string|finfo|null $mime
* @todo http://tools.ietf.org/id/draft-ietf-http-range-retrieval-00.txt
*/
function http_response_file_download($content, $basename, $mime = null)
{
if (is_array($content)) {
list($content, $length) = $content;
} else {
debug_enforce_type($content, 'string');
$length = strlen($content);
}
if (null === $mime && class_exists('finfo')) {
$mime = new finfo();
}
if (is_object($mime) && $mime instanceof finfo) {
$mime = $mime->buffer($content, FILEINFO_MIME);
}
$headers = ['Pragma: public', 'Expires: -1', 'Cache-Control: public, must-revalidate, post-check=0, pre-check=0', "Content-Disposition: attachment; filename=\"{$basename}\"", "Content-Type: {$mime}", "Content-Length: {$length}"];
http_output_compression(false);
array_each($headers, header_dg());
$download = function () use($content) {
print $content;
ob_flush();
flush();
};
call_safe(max_execution_time_set_dg(0), $download, max_execution_time_set_dg(tuple_get(0)));
}
