Download files as zip archive

Some time we need to download some file (docs, images, pdf) as a zip or This code allow you to download all selected files as a zip.

Code:

<?php
function createZip($post){
 $error = "";  //error holder 
  //$post = $_POST; 
  $file_folder = "files/"; // folder contain tthe source files
  if(extension_loaded('zip')){ // Checking ZIP extension is available
   if(isset($post) and count($post) > 0){ // Checking files are selected
    $zip = new ZipArchive();   // Load zip library 
    $zip_name = time().".zip";   // Zip name
    if($zip->open($zip_name, ZIPARCHIVE::CREATE)!==TRUE){  // Opening zip file to load files
     $error .=  "* Sorry ZIP creation failed at this time<br/>";
    }
    foreach($post as $file){    
     $zip->addFile($file_folder.$file);   // Adding files into zip
    }
    $zip->close();
    if(file_exists($zip_name)){
     // push to download the zip
     header('Content-type: application/zip');
     header('Content-Disposition: attachment; filename="'.$zip_name.'"');
     readfile($zip_name);
     // remove zip file is exists in temp path
     unlink($zip_name);
    }
    
   }else
    $error = "* Please select file to zip";
    return $error;
  }else
   $error = "* You dont have ZIP extension";
   return $error;
 }
?>



<form method="post">
 <input type="checkbox" name="files[]" value="flowers.jpg" />
 <input type="submit" name="createpdf"  value="Download as ZIP" />
 <?php  
  createZip($_POST['files']);   
 ?>
</form>

Download files as zip archive

Saturday, February 09, 2013