How to recursively Zip a directory in PHP

Question

Directory is something like   home      file1 html     file2 html Another Dir      file8 html     Sub Dir          file19 html   I am using the same PHP Zip class used in PHPMyAdmin http   trac seagullproject org browser branches 0 6-bugfix lib other Zip php   I m not sure how to zip a directory rather than just a file  Here s what I have so far    aFiles    this- gt da- gt getDirTree  target       aFiles is something like  path   gt  filetime Array        home    gt        home file1 html    gt  1251280379      home file2 html    gt  1251280377     etc           zip    amp  new Zip    foreach   aFiles as  fileLocation   gt   time         file    target          fileLocation      if   is file  file              buffer   file get contents  file            zip- gt addFile  buffer   fileLocation           THEN SOME PHP CLASS  toDownloadData  zip      this bit works ok   but when I try to unzip the corresponding downloaded zip file I get  operation not permitted   This error only happens when I try to unzip on my mac  when I unzip through the command line the file unzips ok  Do I need to send a specific content type on download  currently  application zip

User · Answer

Here Is my code For Zip the folders and its sub folders and its files and make it downloadable in zip Format

function zip()
 {
$source='path/folder'// Path To the folder;
$destination='path/folder/abc.zip'// Path to the file and file name ; 
$include_dir = false;
$archive = 'abc.zip'// File Name ;

if (!extension_loaded('zip') || !file_exists($source)) {
    return false;
}

if (file_exists($destination)) {
    unlink ($destination);
}

$zip = new ZipArchive;

if (!$zip->open($archive, ZipArchive::CREATE)) {
    return false;
}
$source = str_replace('\\', '/', realpath($source));
if (is_dir($source) === true)
{

    $files = new RecursiveIteratorIterator(new RecursiveDirectoryIterator($source), RecursiveIteratorIterator::SELF_FIRST);

    if ($include_dir) {

        $arr = explode("/",$source);
        $maindir = $arr[count($arr)- 1];

        $source = "";
        for ($i=0; $i < count($arr) - 1; $i++) { 
            $source .= '/' . $arr[$i];
        }

        $source = substr($source, 1);

        $zip->addEmptyDir($maindir);

    }

    foreach ($files as $file)
    {
        $file = str_replace('\\', '/', $file);

        // Ignore "." and ".." folders
        if( in_array(substr($file, strrpos($file, '/')+1), array('.', '..')) )
            continue;

        $file = realpath($file);

        if (is_dir($file) === true)
        {
            $zip->addEmptyDir(str_replace($source . '/', '', $file . '/'));
        }
        else if (is_file($file) === true)
        {
            $zip->addFromString(str_replace($source . '/', '', $file), file_get_contents($file));
        }
    }
}
else if (is_file($source) === true)
{
    $zip->addFromString(basename($source), file_get_contents($source));
}
$zip->close();

header('Content-Type: application/zip');
header('Content-disposition: attachment; filename='.$archive);
header('Content-Length: '.filesize($archive));
readfile($archive);
unlink($archive);
}

If Any Issue With the Code Let Me know.

User · Answer

Yet another recursive directory tree archiving  implemented as an extension to ZipArchive  As a bonus  a single-statement tree compression helper function is included  Optional localname is supported  as in other ZipArchive functions  Error handling code to be added     class ExtendedZip extends ZipArchive           Member function to add a whole file system subtree to the archive     public function addTree  dirname   localname                 if   localname               this- gt addEmptyDir  localname            this- gt  addTree  dirname   localname                 Internal function  to recurse     protected function  addTree  dirname   localname             dir   opendir  dirname           while   filename   readdir  dir                    Discard   and                if   filename            filename                          continue                  Proceed according to type              path    dirname          filename               localpath    localname     localname          filename     filename              if  is dir  path                        Directory  add  amp  recurse                  this- gt addEmptyDir  localpath                    this- gt  addTree  path   localpath                             else if  is file  path                        File  just add                  this- gt addFile  path   localpath                                   closedir  dir                 Helper function     public static function zipTree  dirname   zipFilename   flags   0   localname                  zip   new self             zip- gt open  zipFilename   flags            zip- gt addTree  dirname   localname            zip- gt close                Example ExtendedZip  zipTree   foo bar     tmp archive zip   ZipArchive  CREATE

User · Answer

USAGE   thisfile php dir   path to folder  After zipping  it starts download too     lt  php  exclude some files  array           mainfolder folder1 filename php            mainfolder folder5 otherfile php                       built from https   gist github com ninadsp 6098467        class ModifiedFlxZipArchive extends ZipArchive       public function addDirDoo  location   name    prohib filenames false            if   file exists  location      die  maybe file folder path incorrect               this- gt addEmptyDir  name            name                  location                 dir   opendir   location        Read all Files in Dir          while   file   readdir  dir                if   file            file          continue              if   in array  name  file  prohib filenames                    if  filetype   location    file      dir                         this- gt addDirDoo  location    file   name    file  prohib filenames                                      else                        this- gt addFile  location    file   name    file                                                        public function downld  zip name           ob get clean            header  Pragma  public      header  Expires  0      header  Cache-Control  must-revalidate  post-check 0  pre-check 0            header  Cache-Control  private   false      header  Content-Type  application zip            header  Content-Disposition  attachment  filename     basename  zip name                   header  Content-Transfer-Encoding  binary            header  Content-Length      filesize  zip name            readfile  zip name              set memory limits set time limit 3000   ini set  max execution time   3000   ini set  memory limit   100M     new zip filename  down zip file   rand 1 1000000    zip        Download action if  isset   GET  dir               za   new ModifiedFlxZipArchive        create an archive     if    za- gt open  new zip filename  ZipArchive  CREATE              za- gt addDirDoo   GET  dir    basename   GET  dir      exclude some files    za- gt close         else  die  cantttt      if  isset   GET  dir               za   new ModifiedFlxZipArchive        create an archive     if    za- gt open  new zip filename  ZipArchive  CREATE              za- gt addDirDoo   GET  dir    basename   GET  dir      exclude some files    za- gt close         else  die  cantttt            download archive       on the same execution this made problems in some hostings  so better redirect        za - gt  downld  new zip filename       header  location  fildown    new zip filename   exit       if  isset   GET  fildown           za   new ModifiedFlxZipArchive       za - gt  downld   GET  fildown         gt

User · Answer

Here is the simple  easy to read  recursive function that works very well   function zip r  from   zip   base false        if   file exists  from  OR  extension loaded  zip     return false       if    base    base    from        base   trim  base             zip- gt addEmptyDir  base        dir   opendir  from       while  false       file   readdir  dir              if   file        OR  file           continue            if  is dir  from          file                 zip r  from          file   zip   base          file             else                zip- gt addFile  from          file   base          file                       return  zip     from     path to folder    base    basezipfolder    zip   new ZipArchive     zip- gt open  zipfile zip   ZIPARCHIVE  CREATE    zip   zip r  from   zip   base    zip- gt close

User · Answer

Here is a simple function that can compress any file or directory recursively  only needs the zip extension to be loaded   function Zip  source   destination        if   extension loaded  zip       file exists  source             return false              zip   new ZipArchive        if    zip- gt open  destination  ZIPARCHIVE  CREATE             return false              source   str replace            realpath  source         if  is dir  source      true                 files   new RecursiveIteratorIterator new RecursiveDirectoryIterator  source   RecursiveIteratorIterator  SELF FIRST            foreach   files as  file                         file   str replace             file                   Ignore     and      folders             if  in array substr  file  strrpos  file       1   array                               continue                file   realpath  file                if  is dir  file      true                                 zip- gt addEmptyDir str replace  source             file                                    else if  is file  file      true                                 zip- gt addFromString str replace  source             file   file get contents  file                                      else if  is file  source      true                 zip- gt addFromString basename  source   file get contents  source               return  zip- gt close        Call it like this   Zip   folder to compress       compressed zip

User · Answer

I needed to run this Zip function in Mac OSX  so I would always zip that annoying  DS Store   I adapted https   stackoverflow com users 2019515 user2019515 by including additionalIgnore files   function zipIt  source   destination   include dir   false   additionalIgnoreFiles   array             Ignore     and      folders by default      defaultIgnoreFiles   array                     include more files to ignore      ignoreFiles   array merge  defaultIgnoreFiles   additionalIgnoreFiles        if   extension loaded  zip       file exists  source             return false             if  file exists  destination             unlink   destination               zip   new ZipArchive            if    zip- gt open  destination  ZIPARCHIVE  CREATE             return false                 source   str replace            realpath  source         if  is dir  source      true                  files   new RecursiveIteratorIterator new RecursiveDirectoryIterator  source   RecursiveIteratorIterator  SELF FIRST            if   include dir                  arr   explode      source                maindir    arr count  arr - 1                 source                   for   i 0   i  lt  count  arr  - 1   i                        source           arr  i                               source   substr  source  1                 zip- gt addEmptyDir  maindir                       foreach   files as  file                         file   str replace             file                   purposely ignore files that are irrelevant             if  in array substr  file  strrpos  file       1    ignoreFiles                    continue                file   realpath  file                if  is dir  file      true                                 zip- gt addEmptyDir str replace  source             file                                    else if  is file  file      true                                 zip- gt addFromString str replace  source             file   file get contents  file                                      else if  is file  source      true                 zip- gt addFromString basename  source   file get contents  source               return  zip- gt close        SO to ignore the  DS Store from zip  you run  zipIt   path to folder     path to compressed zip   false  array   DS Store

User · Answer

I ve edited Alix Axel s answer to take a third argrument  when setting this third argrument to true all the files will be added under the main directory rather than directly in the zip folder   If the zip file exists the file will be deleted as well   Example   Zip   path to maindirectory    path to compressed zip  true     Third argrument true zip structure   maindirectory --- file 1 --- file 2 --- subdirectory 1 ------ file 3 ------ file 4 --- subdirectory 2 ------ file 5 ------ file 6   Third argrument false or missing zip structure   file 1 file 2 subdirectory 1 --- file 3 --- file 4 subdirectory 2 --- file 5 --- file 6   Edited code   function Zip  source   destination   include dir   false         if   extension loaded  zip       file exists  source             return false             if  file exists  destination             unlink   destination               zip   new ZipArchive        if    zip- gt open  destination  ZIPARCHIVE  CREATE             return false             source   str replace            realpath  source         if  is dir  source      true                  files   new RecursiveIteratorIterator new RecursiveDirectoryIterator  source   RecursiveIteratorIterator  SELF FIRST            if   include dir                  arr   explode      source                maindir    arr count  arr - 1                 source                   for   i 0   i  lt  count  arr  - 1   i                        source           arr  i                               source   substr  source  1                 zip- gt addEmptyDir  maindir                       foreach   files as  file                         file   str replace             file                   Ignore     and      folders             if  in array substr  file  strrpos  file       1   array                               continue                file   realpath  file                if  is dir  file      true                                 zip- gt addEmptyDir str replace  source             file                                    else if  is file  file      true                                 zip- gt addFromString str replace  source             file   file get contents  file                                      else if  is file  source      true                 zip- gt addFromString basename  source   file get contents  source               return  zip- gt close

User · Answer

Following  user2019515 answer  I needed to handle exclusions to my archive  here is the resulting function with an example   Zip Function    function Zip  source   destination   include dir   false   exclusions   false          Remove existing archive     if  file exists  destination             unlink   destination               zip   new ZipArchive        if    zip- gt open  destination  ZIPARCHIVE  CREATE             return false             source   str replace            realpath  source        if  is dir  source      true            files   new RecursiveIteratorIterator new RecursiveDirectoryIterator  source   RecursiveIteratorIterator  SELF FIRST           if   include dir                 arr   explode      source                maindir    arr count  arr - 1                source                   for   i 0   i  lt  count  arr  - 1   i                       source           arr  i                              source   substr  source  1                zip- gt addEmptyDir  maindir                     foreach   files as  file                  Ignore     and      folders              file   str replace             file               if in array substr  file  strrpos  file       1   array                               continue                                Add Exclusion             if   exclusions  amp  amp  is array  exclusions                     if in array str replace  source           file    exclusions                        continue                                                file   realpath  file               if  is dir  file      true                    zip- gt addEmptyDir str replace  source             file                        elseif  is file  file      true                    zip- gt addFromString str replace  source             file   file get contents  file                                  elseif  is file  source      true            zip- gt addFromString basename  source   file get contents  source              return  zip- gt close        How to use it    function backup         backup    tmp backup-   this- gt site  version     zip        exclusions              Excluding an entire directory      files   new RecursiveIteratorIterator new RecursiveDirectoryIterator  tmp     RecursiveIteratorIterator  SELF FIRST       foreach   files as  file           array push  exclusions  file                Excluding a file     array push  exclusions  config config php           Excluding the backup file     array push  exclusions  backup        this- gt Zip      backup  false   exclusions

User · Answer

Try this link  lt -- MORE SOURCE CODE HERE      Include the Pear Library for Zip    include   Archive Zip php         Create a Zipping Object      Name of zip file to be created     You can specify the path too     obj   new Archive Zip  test zip          create a file array of Files to be Added in Zip     files   array  black gif    blue gif             creating zip file  if success do something else do something      if Error in file creation   it is either due to permission problem  Solution  give 777 to that folder    Or Corruption of File Problem       if   obj- gt create  files        echo  Created successfully      else     echo  Error in file creation        gt      We ll be outputting a ZIP header  Content-type  application zip        It will be called test zip header  Content-Disposition  attachment  filename  test zip        read a file and send readfile  test zip      gt

User · Answer

Here s my version base on Alix s  works on Windows and hopefully on  nix too   function addFolderToZip  source   destination   flags   ZIPARCHIVE  OVERWRITE         source   realpath  source        destination   realpath  destination        if   file exists  source             die  file does not exist       source               zip   new ZipArchive        if    zip- gt open  destination   flags              die  Cannot open zip archive       destination               files   new RecursiveIteratorIterator          new RecursiveDirectoryIterator  source   RecursiveIteratorIterator  SELF FIRST         sourceWithSeparator    source   DIRECTORY SEPARATOR      foreach   files as  file                   Ignore     and      folders         if in array substr  file strrpos  file  DIRECTORY SEPARATOR  1  array                          continue           if  is dir  file      true                         zip- gt addEmptyDir                  str replace  sourceWithSeparator       file   DIRECTORY SEPARATOR                      else if  is file  file      true                         zip- gt addFile  file  str replace  sourceWithSeparator       file                         return  zip- gt close

User · Answer

Great solution but for my Windows I need make a modifications  Below the modify code  function Zip  source   destination    if   extension loaded  zip       file exists  source         return false      zip   new ZipArchive    if    zip- gt open  destination  ZIPARCHIVE  CREATE         return false      source   str replace            realpath  source     if  is dir  source      true         files   new RecursiveIteratorIterator new RecursiveDirectoryIterator  source   RecursiveIteratorIterator  SELF FIRST        foreach   files as  file                 file   str replace             file               Ignore     and      folders         if  in array substr  file  strrpos  file       1   array                           continue           if  is dir  file      true                         zip- gt addEmptyDir str replace  source             file                      else if  is file  file      true                          str1   str replace  source                 file                zip- gt addFromString  str1  file get contents  file                       else if  is file  source      true         zip- gt addFromString basename  source   file get contents  source       return  zip- gt close

User · Answer

This code works for both windows and linux   function Zip  source   destination    if   extension loaded  zip       file exists  source         return false      zip   new ZipArchive    if    zip- gt open  destination  ZIPARCHIVE  CREATE         return false     if  strtoupper substr PHP OS  0  3        WIN         DEFINE  DS   DIRECTORY SEPARATOR     for windows   else       DEFINE  DS           for linux      source   str replace       DS  realpath  source     if  is dir  source      true         files   new RecursiveIteratorIterator new RecursiveDirectoryIterator  source   RecursiveIteratorIterator  SELF FIRST       echo  source      foreach   files as  file                 file   str replace      DS   file              Ignore     and      folders         if  in array substr  file  strrpos  file  DS  1   array                           continue            file   realpath  file            if  is dir  file      true                         zip- gt addEmptyDir str replace  source   DS       file   DS                      else if  is file  file      true                         zip- gt addFromString str replace  source   DS       file   file get contents  file                      echo  source          else if  is file  source      true         zip- gt addFromString basename  source   file get contents  source       return  zip- gt close

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