return "http://localhost/download/{$fileName}.tar.gz";
}
}
class FileStrategy
{
protected $_type;
function __construct()
{
if (strstr($_SERVER["HTTP_USER_AGENT"], "Win")) {
$this->_type = new ZipFile();
} else {
$this->_type = new TarGzFile();
}
return $obj;
}
public function getLink($name)
{
return $this->_type->createLinkName($name);
}
}
$obj = new FileStrategy();
$link1 = $obj->getLink("file_one");
$link2 = $obj->getLink("file_two");
print <<<LIST
<h1>Список файлов для скачивания:</h1>
<p>
<a href="{$link1}">Первый файл</a><br>
<a href="{$link2}">Второй файл</a>
</p>
LIST
;
{
public function createLinkName($fileName)
{
return "/downloads/" . $fileName . ".zip";
}
}
class TarGzFile implements FileNamingStrategy
{
public function createLinkName($fileName)
{
return "/downloads/" . $fileName . ".tar.gz";
}
}
class FileStrategy
{
protected $_type;
function __construct()
{
if (strstr($_SERVER['HTTP_USER_AGENT'], "Windows")) {
$this->_type = new ZipFile();
} else {
$this->_type = new TarGzFile();
}
}
public function getLinkName($name)
{
return $this->_type->createLinkName($name);
}
}
$obj = new FileStrategy();
echo $obj->getLinkName('some_file');
