How to compress a directory in PHP? (code example)

In PHP we can use the ZipArchive class to compress and decompress directories and create ZIP files. The following article will give you a brief understanding of how to use the ZipArchive class to create compressed files. I hope it will be helpful to you.

PHP ZipArchive Class

PHP ZipArchive class can be used for compression and decompression. If it doesn't exist, you may need to install the class.

Starting with PHP 5.3, this extension is built-in. Prior to this, Windows users needed to enable php_zip.dll in php.ini to use its functionality.

Steps:

1. Open the php.ini file and add

extension=php_zip.dll

2. After saving, restart Apache or other servers.

Code examples for using the ZipArchive class

Let’s take a look at how to use the ZipArchive class through code examples.

Example 1: Use the ZipArchive class and create a compressed file

<?php 
  
// 需要压缩的目录名
$pathdir = "demo/";  
  
// 创建压缩目录的名称
$zipcreated = "Zip.zip"; 
  
// 创建新的zip类
$zip = new ZipArchive; 
   
if($zip -> open($zipcreated, ZipArchive::CREATE ) === TRUE) { 
      
    // 将路径存储到变量中
    $dir = opendir($pathdir); 
       
    while($file = readdir($dir)) { 
        if(is_file($pathdir.$file)) { 
            $zip -> addFile($pathdir.$file, $file); 
        } 
    } 
    $zip ->close(); 
} 
  
?>

The original directory without compression:

Compressed directory:

##Example 2: Use the ZipArchive class to decompress files or directories

<?php 
  
// 创建新的zip类
$zip = new ZipArchive; 
  
// 添加需要解压缩的zip文件名
$zip->open(&#39;demo/article.zip&#39;); 
  
// 解压目录
$zip->extractTo(&#39;./demo/&#39;); 
  
$zip->close();  
  
?>

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