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  • 位置: php7教程 -> php7外部扩展库

    zip库(压缩)

    安装

    PHP 5.2.0 以及更新版本方式:

    • Linux 系统:为了使用这些函数,必须在编译 PHP 时用--enable-zip配置选项来提供 zip 支持。
    • Windows:Windows 用户需要在 php.ini 里使 php_zip.dll 可用,以便使用这些函数。
    If installing this in a Docker image using:
    "docker-php-ext-install zip"
    you may get an error such as:
    "docker-php-ext-install zip returned a non-zero code: 1"
    or
    "zip support requires ZLIB"
    Docker documentation now suggests this as the proper way to install, to ensure the dependant libraries are installed with it:
    # Install zip
    RUN apt-get update && \
         apt-get install -y \
         zlib1g-dev && docker-php-ext-install zip
    

    例子

    创建一个 Zip 归档

    <?php
    $zip = new ZipArchive();
    $filename = "./test112.zip";
    if ($zip->open($filename, ZIPARCHIVE::CREATE)!==TRUE) {
        exit("cannot open \n");
    }
    $zip->addFromString("testfilephp.txt" . time(), "#1 This is a test string added as testfilephp.txt.\n");
    $zip->addFromString("testfilephp2.txt" . time(), "#2 This is a test string added as testfilephp2.txt.\n");
    $zip->addFile($thisdir . "/too.php","/testfromfile.php");
    echo "numfiles: " . $zip->numFiles . "\n";
    echo "status:" . $zip->status . "\n";
    $zip->close();
    ?>
    
    <?php
    $zip = zip_open("/tmp/test2.zip");
    if ($zip) 
    {
        while ($zip_entry = zip_read($zip)) 
        {
            echo "Name:               " . zip_entry_name($zip_entry) . "\n";
            echo "Actual Filesize:    " . zip_entry_filesize($zip_entry) . "\n";
            echo "Compressed Size:    " . zip_entry_compressedsize($zip_entry) . "\n";
            echo "Compression Method: " . zip_entry_compressionmethod($zip_entry) . "\n";
            if (zip_entry_open($zip, $zip_entry, "r")) 
    	{
                echo "File Contents:\n";
                $buf = zip_entry_read($zip_entry, zip_entry_filesize($zip_entry));
                echo "$buf\n";
                zip_entry_close($zip_entry);
            }
            echo "\n";
        }
        zip_close($zip);
    }
    ?>