Rar::getHostOs

<?php

$rar_file = rar_open('example.rar') or die("Failed to open Rar archive");

$entry = rar_entry_get($rar_file, 'Dir/file.txt') or die("Failed to find such entry");

switch ($entry->getHostOs()) {
    case RAR_HOST_MSDOS:
        echo "MS-DOS\n";
        break;
    case RAR_HOST_OS2:
        echo "OS2\n";
        break;
    case RAR_HOST_WIN32:
        echo "Win32\n";
        break;
    case RAR_HOST_MACOS:
        echo "MacOS\n";
        break;
    case RAR_HOST_UNIX:
        echo "Unix/Linux\n";
        break;
    case RAR_HOST_BEOS:
        echo "BeOS\n";
        break;
}

?>