How to decompress compressed package in php

php implements decompression of ZIP compressed files

First: You need to enable the configuration of php_aip.dll

<?php
//需开启配置 php_zip.dll
//phpinfo();
header("Content-type:text/html;charset=utf-8");

function get_zip_originalsize($filename, $path) {
  //先判断待解压的文件是否存在
  if(!file_exists($filename)){
    die("文件 $filename 不存在！");
  }
  $starttime = explode(&#39; &#39;,microtime()); //解压开始的时间

  //将文件名和路径转成windows系统默认的gb2312编码，否则将会读取不到
  $filename = iconv("utf-8","gb2312",$filename);
  $path = iconv("utf-8","gb2312",$path);
  //打开压缩包
  $resource = zip_open($filename);
  $i = 1;
  //遍历读取压缩包里面的一个个文件
  while ($dir_resource = zip_read($resource)) {
    //如果能打开则继续
    if (zip_entry_open($resource,$dir_resource)) {
      //获取当前项目的名称,即压缩包里面当前对应的文件名
      $file_name = $path.zip_entry_name($dir_resource);
      //以最后一个“/”分割,再用字符串截取出路径部分
      $file_path = substr($file_name,0,strrpos($file_name, "/"));
      //如果路径不存在，则创建一个目录，true表示可以创建多级目录
      if(!is_dir($file_path)){
        mkdir($file_path,0777,true);
      }
      //如果不是目录，则写入文件
      if(!is_dir($file_name)){
        //读取这个文件
        $file_size = zip_entry_filesize($dir_resource);
        //最大读取6M，如果文件过大，跳过解压，继续下一个
        if($file_size<(1024*1024*30)){
          $file_content = zip_entry_read($dir_resource,$file_size);
          file_put_contents($file_name,$file_content);
        }else{
          echo "<p> ".$i++." 此文件已被跳过，原因：文件过大， -> ".iconv("gb2312","utf-8",$file_name)." </p>";
        }
      }
      //关闭当前
      zip_entry_close($dir_resource);
    }
  }
  //关闭压缩包
  zip_close($resource);
  $endtime = explode(&#39; &#39;,microtime()); //解压结束的时间
  $thistime = $endtime[0]+$endtime[1]-($starttime[0]+$starttime[1]);
  $thistime = round($thistime,3); //保留3为小数
  echo "<p>解压完毕！，本次解压花费：$thistime 秒。</p>";
}

$size = get_zip_originalsize(&#39;../../textaa.zip&#39;,&#39;../../ffff/&#39;);

In the above method: $filename: file name, is the name of the file to be decompressed, including the path relative to the method, $path represents: decompress to (what directory, ending with / ).

The second method is: use the class that comes with pclzip. The first method was adopted during the project due to path problems

<?php
/*
php 从zip压缩文件中提取文件
*/
$zip = new ZipArchive;

if ($zip->open(&#39;test.zip&#39;) === TRUE) {//中文文件名要使用ANSI编码的文件格式
  $zip->extractTo(&#39;foldername&#39;);//提取全部文件
  //$zip->extractTo(&#39;/my/destination/dir/&#39;, array(&#39;pear_item.gif&#39;, &#39;testfromfile.php&#39;));//提取部分文件
  $zip->close();
  echo &#39;ok&#39;;
} else {
  echo &#39;failed&#39;;
}

Recommended tutorial: PHP video tutorial

The above is the detailed content of How to decompress compressed package in php. For more information, please follow other related articles on the PHP Chinese website!