Generate zip compressed files through php, supporting file and compressed package path search

/*
*   new creatZip($_dir,$_zipName);
*@ _dir是被压缩的文件夹名称,可使用路径，例 'a'或者'a/test.txt'或者'test.txt'
*@ _zipName是压缩后的压缩包名称，可使用路径，例 'a/test.zip'或者'test.zip'
**/
class creatZip {
    private $_dir;
    private $_zipDir;
    private $_zipName;
     
    public function __construct($dir,$zipName) {
        $this->_dir = $dir;
        $this->_zipDir = basename($dir);
        $this->_zipName = $zipName;
        $this->mkdirs();
        $this->creat();
    }
    //检测并生成目录
    private function mkdirs() {
        if (!is_dir(dirname($this->_zipName))) {
            $arr = explode('/', dirname($this->_zipName));
            $arrs = '';
            foreach($arr as $value) {
                if (!is_dir($arrs.$value)) {
                    if (!!mkdir($arrs.$value)) {
                        $arrs .= $value.'/';
                    }
                }
            }
        }
    }
    //生成Zip压缩包
    private function creat() {
        $zip = new ZipArchive;
        if (is_dir($this->_dir)) {
            $this->readDir($this->_dir,$files);
            if ($zip->open($this->_zipName,ZipArchive::CREATE)) {
                foreach ($files as $value) {
                    preg_match('//('.$this->_zipDir.'/.*)/', $value, $match);
                    if (is_dir($value)) {
                        @$zip->addEmptyDir($value, $match[1]);
                    } else {
                        @$zip->addFile($value, $match[1]);
                    }
                }
                $zip->close();
            }
        } else {
            if ($zip->open($this->_zipName,ZipArchive::CREATE)) {
                $zip->addFile($this->_dir, basename($this->_dir));
            }
        }
    }
    //读取文件夹所有文件
    private function readDir($dir,&$arr) {
        if ($dirs = opendir($dir)) {
            while (($file=readdir($dirs)) != false) {
                if ($file == '.' || $file == '..') continue;
                $files = $dir .'/'. $file;
                if (is_dir($files) && $this->isEmpty($files)) {
                    $this->readDir($files,$arr);
                } else {
                    $arr[] = $files;
                }
            }
        }
        closedir($dirs);
    }
    //判断文件夹是否为空
    private function isEmpty($dir) {
        if ($_dirs = opendir($dir)) {
            while (($file=readdir($dirs)) != false) {
                if($file != '.' && $file != '..') {
                    closedir($dirs);
                    return true;
                    break;
                }
            }
            closedir($dirs);
            return false;
        }
    }
}

The above introduces the method of generating zip compressed files in PHP, which supports file and compressed package path search, including content on reading files. For more related content, please pay attention to the PHP Chinese website (www.php.cn)!

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