Function of ZipArchive function in php

This article mainly introduces the functions of ZipArchive function in php. Interested friends can refer to it. I hope it will be helpful to everyone.

1. Unzip the zip file

$zip=new ZipArchive;//新建一个ZipArchive的对象 
  if($zip->open('test.zip')===TRUE){ 
  $zip->extractTo('images');//假设解压缩到在当前路径下images文件夹内 
  $zip->close();//关闭处理的zip文件 
}

2. Compress the file into a zip file

$zip=new ZipArchive; 
if($zip->open('test.zip',ZipArchive::OVERWRITE)===TRUE){ 
  $zip->addFile('image.txt');//假设加入的文件名是image.txt，在当前路径下 
  $zip->close(); 
}

3 , append the file content to the zip file

$zip=new ZipArchive; 
$res=$zip->open('test.zip',ZipArchive::CREATE); 
if($res===TRUE){ 
  $zip->addFromString('test.txt','file content goes here'); 
  $zip->close(); 
  echo 'ok'; 
}else{ 
  echo 'failed'; 
}

4. Pack the folder into a zip file

function addFileToZip($path,$zip){ 
  $handler=opendir($path); //打开当前文件夹由$path指定。 
  while(($filename=readdir($handler))!==false){ 
    if($filename != "." && $filename != ".."){//文件夹文件名字为'.'和‘..'，不要对他们进行操作 
      if(is_dir($path."/".$filename)){// 如果读取的某个对象是文件夹，则递归 
        addFileToZip($path."/".$filename, $zip); 
      }else{ //将文件加入zip对象 
        $zip->addFile($path."/".$filename); 
      } 
    } 
  } 
  @closedir($path); 
} 
$zip=new ZipArchive(); 
if($zip->open('images.zip', ZipArchive::OVERWRITE)=== TRUE){ 
  addFileToZip('images/', $zip); //调用方法，对要打包的根目录进行操作，并将ZipArchive的对象传递给方法 
  $zip->close(); //关闭处理的zip文件 
}

Summary: The above is the entire content of this article , I hope it can be helpful to everyone’s study.

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