create and download zip file using php - php

Question

i am trying to create a zip file(using php) for this i have written the following code:
$fileName = "1.docx,2.docx";
$fileNames = explode(',', $fileName);
$zipName = 'download_resume.zip';
$resumePath = asset_url() . "uploads/resume/";
//http://localhost/mywebsite/public/uploads/resume/
$zip = new ZipArchive();
if ($zip->open($zipName, ZIPARCHIVE::CREATE) !== TRUE) {
echo json_encode("Cannot Open");
}
foreach ($fileNames as $files) {
$zip->addFile($resumePath . $files, $files);
}
$zip->close();
header("Content-type: application/zip");
header("Content-Disposition: attachment; filename=".$zipName."");
header("Content-length: " . filesize($zipName));
header("Pragma: no-cache");
header("Expires: 0");
readfile($zipName);
exit;
however on a button click i am not getting anything..not even any error or message..
any help or suggestion would be a great help for me.. thanks in advance

Answer 1

Why not use the Zip Encoding Class in Codeigniter - it will do this for you
$name = 'mydata1.txt';
$data = 'A Data String!';
$this->zip->add_data($name, $data);
// Write the zip file to a folder on your server. Name it "my_backup.zip"
$this->zip->archive('/path/to/directory/my_backup.zip');
// Download the file to your desktop. Name it "my_backup.zip"
$this->zip->download('my_backup.zip');
https://www.codeigniter.com/user_guide/libraries/zip.html

Answer 2

... it work for me
public function downloadall(){
$createdzipname = 'myzipfilename';
$this->load->library('zip');
$this->load->helper('download');
$cours_id = $this->input->post('todownloadall');
$files = $this->model_travaux->getByID($cours_id);
// create new folder
$this->zip->add_dir('zipfolder');
foreach ($files as $file) {
$paths = 'http://localhost/uploads/'.$file->file_name.'.docx';
// add data own data into the folder created
$this->zip->add_data('zipfolder/'.$paths,file_get_contents($paths));
}
$this->zip->download($createdzipname.'.zip');
}

Answer 3

What is asset_url() function? Try to use APPPATH constant istead this function:
$resumePath = APPPATH."../uploads/resume/";
Add "exists" validation for file names:
foreach ($fileNames as $files) {
if (is_file($resumePath . $files)) {
$zip->addFile($resumePath . $files, $files);
}
}
Add exit() after:
echo json_encode("Cannot Open");
Also I think it's the better desision to use CI zip library User Guide. Simple example:
public function generate_zip($files = array(), $path)
{
if (empty($files)) {
throw new Exception('Archive should\'t be empty');
}
$this->load->library('zip');
foreach ($files as $file) {
$this->zip->read_file($file);
}
$this->zip->archive($path);
}
public function download_zip($path)
{
if (!file_exists($path)) {
throw new Exception('Archive doesn\'t exists');
}
$this->load->library('zip');
$this->zip->download($path);
}

Answer 4

Below scripting working ok in my local system. 1st remove asset_url() from $resumePath and set zip file store location relative path.
- Pass zip file name with its location path to $zip->open()
$fileName = "1.docx,2.docx";
$fileNames = explode(',', $fileName);
$zipName = 'download_resume.zip';
$resumePath = "resume/";
$zip = new ZipArchive();
if ($zip->open($resumePath.$zipName, ZIPARCHIVE::CREATE) !== TRUE) {
echo json_encode("Cannot Open");
}
foreach ($fileNames as $files) {
$zip->addFile($files, $files);
}
$zip->close();

Answer 5

/* create zip folder */
public function zip(){
$getImage = $this->cart_model->getImage();
$zip = new ZipArchive;
$auto = rand();
$file = date("dmYhis",strtotime("Y:m:d H:i:s")).$auto.'.zip';
if ($zip->open('./download/'.$file, ZipArchive::CREATE)) {
foreach($getImage as $getImages){
$zip->addFile('./assets/upload/photos/'.$getImages->image, $getImages->image);
}
$zip->close();
$downloadFile = $file;
$download = Header("Location:http://localhost/projectname/download/".$downloadFile);
}
}
model------
/* get add to cart image */
public function getImage(){
$user_id = $this->session->userdata('user_id');
$this->db->select('tbl_cart.photo_id, tbl_album_image.image as image');
$this->db->from('tbl_cart');
$this->db->join('tbl_album_image', 'tbl_album_image.id = tbl_cart.photo_id', 'LEFT');
$this->db->where('user_id', $user_id);
return $this->db->get()->result();
}