Extract sub folders of ZIP file in PHP

Question

I am using a php script to unzip ZIP file. but this script unzip only one level of directories without extracting the sub directories of that file the script:

Answer 1

This script extracts all files in the zip file recursively. This will extract them into the current directory.

    
";
    //----------------
    //UNZIP a zip file
    //----------------

    $zipfilename = "site.zip";

    //----------------

    function unzip($file){

        $zip=zip_open(realpath(".")."/".$file);
        if(!$zip) {return("Unable to proccess file '{$file}'");}

        $e='';

        while($zip_entry=zip_read($zip)) {
           $zdir=dirname(zip_entry_name($zip_entry));
           $zname=zip_entry_name($zip_entry);

           if(!zip_entry_open($zip,$zip_entry,"r")) {$e.="Unable to proccess file '{$zname}'";continue;}
           if(!is_dir($zdir)) mkdirr($zdir,0777);

           #print "{$zdir} | {$zname} \n";

           $zip_fs=zip_entry_filesize($zip_entry);
           if(empty($zip_fs)) continue;

           $zz=zip_entry_read($zip_entry,$zip_fs);

           $z=fopen($zname,"w");
           fwrite($z,$zz);
           fclose($z);
           zip_entry_close($zip_entry);

        }
        zip_close($zip);

        return($e);
    }

    function mkdirr($pn,$mode=null) {

      if(is_dir($pn)||empty($pn)) return true;
      $pn=str_replace(array('/', ''),DIRECTORY_SEPARATOR,$pn);

      if(is_file($pn)) {trigger_error('mkdirr() File exists', E_USER_WARNING);return false;}

      $next_pathname=substr($pn,0,strrpos($pn,DIRECTORY_SEPARATOR));
      if(mkdirr($next_pathname,$mode)) {if(!file_exists($pn)) {return mkdir($pn,$mode);} }
      return false;
    }

    unzip($zipfilename);

    ?>