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<?php
namespace Drupal\Core\Archiver;
/**
* Defines an archiver implementation for .zip files.
*
* @link http://php.net/zip
*/
class Zip implements ArchiverInterface {
/**
* The underlying ZipArchive instance that does the heavy lifting.
*
* @var \ZipArchive
*/
protected $zip;
/**
* Constructs a Zip object.
*
* @param string $file_path
* The full system path of the archive to manipulate. Only local files
* are supported. If the file does not yet exist, it will be created if
* appropriate.
* @param array $configuration
* (Optional) settings to open the archive with the following keys:
* - 'flags': The mode to open the archive with \ZipArchive::open().
*
* @throws \Drupal\Core\Archiver\ArchiverException
*/
public function __construct($file_path, array $configuration = []) {
$this->zip = new \ZipArchive();
if ($this->zip->open($file_path, $configuration['flags'] ?? 0) !== TRUE) {
throw new ArchiverException("Cannot open '$file_path'");
}
}
/**
* {@inheritdoc}
*/
public function add($file_path) {
$this->zip->addFile($file_path);
return $this;
}
/**
* {@inheritdoc}
*/
public function remove($file_path) {
$this->zip->deleteName($file_path);
return $this;
}
/**
* {@inheritdoc}
*/
public function extract($path, array $files = []) {
if ($files) {
$this->zip->extractTo($path, $files);
}
else {
$this->zip->extractTo($path);
}
return $this;
}
/**
* {@inheritdoc}
*/
public function listContents() {
$files = [];
for ($i = 0; $i < $this->zip->numFiles; $i++) {
$files[] = $this->zip->getNameIndex($i);
}
return $files;
}
/**
* Retrieves the zip engine itself.
*
* In some cases it may be necessary to directly access the underlying
* ZipArchive object for implementation-specific logic. This is for advanced
* use only as it is not shared by other implementations of ArchiveInterface.
*
* @return \ZipArchive
* The ZipArchive object used by this object.
*/
public function getArchive() {
return $this->zip;
}
}
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