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<?php
namespace PhpZip\Model\Entry;
use PhpZip\Exception\InvalidArgumentException;
use PhpZip\Exception\ZipException;
use PhpZip\ZipFileInterface;
/**
* Abstract class for new zip entry.
*
* @see https://pkware.cachefly.net/webdocs/casestudies/APPNOTE.TXT .ZIP File Format Specification
* @author Ne-Lexa alexey@nelexa.ru
* @license MIT
*/
class ZipNewEntry extends ZipAbstractEntry
{
/**
* @var resource|string|null
*/
protected $content;
/**
* @var bool
*/
private $clone = false;
/**
* ZipNewEntry constructor.
* @param string|resource|null $content
* @throws InvalidArgumentException
*/
public function __construct($content = null)
{
parent::__construct();
if ($content !== null && !is_string($content) && !is_resource($content)) {
throw new InvalidArgumentException('invalid content');
}
$this->content = $content;
}
/**
* Returns an string content of the given entry.
*
* @return null|string
* @throws ZipException
*/
public function getEntryContent()
{
if (is_resource($this->content)) {
return stream_get_contents($this->content, -1, 0);
}
return $this->content;
}
/**
* Version needed to extract.
*
* @return int
*/
public function getVersionNeededToExtract()
{
$method = $this->getMethod();
return self::METHOD_WINZIP_AES === $method ? 51 :
(
ZipFileInterface::METHOD_BZIP2 === $method ? 46 :
(
$this->isZip64ExtensionsRequired() ? 45 :
(ZipFileInterface::METHOD_DEFLATED === $method || $this->isDirectory() ? 20 : 10)
)
);
}
/**
* Clone extra fields
*/
public function __clone()
{
$this->clone = true;
parent::__clone();
}
public function __destruct()
{
if (!$this->clone && null !== $this->content && is_resource($this->content)) {
fclose($this->content);
$this->content = null;
}
}
}
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