PHP对目录下的子目录及文件进行压缩并解压

<?php

class Zip{
  
  /**
   * Zip a folder (include itself).
   * Usage:
   *   Zip::zipDir('/path/to/sourceDir', '/path/to/out.zip');
   *
   * @param string $sourcePath Path of directory to be zip.
   * @param string $outZipPath Path of output zip file.
   */
  public static function zipDir($sourcePath, $outZipPath)
  {

    $pathInfo = self::myPathInfo($sourcePath);
    $parentPath = $pathInfo['dirname'];
    $dirName = $pathInfo['basename'];
    $sourcePath=$parentPath.'/'.$dirName;//防止传递'folder' 文件夹产生bug
    $z = new \ZipArchive();
    $z->open($outZipPath, \ZIPARCHIVE::CREATE);//建立zip文件
    $z->addEmptyDir($dirName);//建立文件夹
    self::folderToZip($sourcePath, $z, strlen("$parentPath/"));
    $z->close();
  }

  private static function folderToZip($folder, &$zipFile, $exclusiveLength) {
    $handle = opendir($folder);
    while (false !== $f = readdir($handle)) {
      if ($f != '.' && $f != '..') {
        $filePath = "$folder/$f";
        // Remove prefix from file path before add to zip.
        $localPath = substr($filePath, $exclusiveLength);
        if (is_file($filePath)) {
          $zipFile->addFile($filePath, $localPath);
        } elseif (is_dir($filePath)) {
          // 添加子文件夹
          $zipFile->addEmptyDir($localPath);
          self::folderToZip($filePath, $zipFile, $exclusiveLength);
        }
      }
    }
    closedir($handle);
  }

  private static function myPathInfo($filepath)  
  {  
      $pathParts = array();  
      $pathParts ['dirname'] = rtrim(substr($filepath, 0, strrpos($filepath, '/')),"/")."/";  
      $pathParts ['basename'] = ltrim(substr($filepath, strrpos($filepath, '/')),"/");  
      $pathParts ['extension'] = substr(strrchr($filepath, '.'), 1);  
      $pathParts ['filename'] = ltrim(substr($pathParts ['basename'], 0, strrpos($pathParts ['basename'], '.')),"/");  
      return $pathParts;  
  } 
}

<?php
    require_once('zip.php');
    $zip = new Zip();
   
    $sourceDir = 'D:\phpstudy_pro\WWW\test\zip\test';
    $outZipPath = 'D:\phpstudy_pro\WWW\test\zip/zip/test.zip';
    $zip::zipDir($sourceDir, $outZipPath);
    if(file_exists($outZipPath)){
        echo 'success';
    }else{
        echo 'fail';
    }    

<?php

$zip = new \ZipArchive();
if ($zip->open('test.zip') === TRUE){
    //假设解压缩到在当前路径下demo文件夹
    $zip->extractTo('demo');
}
$zip->close();