Extract files in a zip to root of a folder?

Question

I have a zip file uploaded to server for automated extract.

the zip file construction is like this:

/zip_file.zip/folder1/image1.jpg
/zip_file.zip/fo         


        

Answer 1

You can do so by using the zip:// syntax instead of Zip::extractTo as described in the php manual on extractTo().

You have to match the image file name and then copy it:

if ($entry['size'] > 0 && preg_match('#\.(jpg)$#i', $entry['name'])) {
  copy('zip://' . $file_path . '#' . $entry['name'], '/root_dir/' . md5($entry['name']) . '.jpg');
}

The above replaces your for loop's if statement and makes your extractTo unnecessary. I used the md5 hash of the original filename to make a unique name. It is extremely unlikely you will have any issues with overwriting files, since hash collisions are rare. Note that this is a bit heavy duty, and instead you could do str_replace('/.', '', $entry['name']) to make a new, unique filename.

Full solution (modified version of your code):

open($file_path)) {
  for ($i = 0; $i < $zip->numFiles; $i++) {
    $entry = $zip->statIndex($i);
    // is it an image?
    if ($entry['size'] > 0 && preg_match('#\.(jpg)$#i', $entry['name'])) {
      # use hash (more expensive, but can be useful depending on what you're doing
      $new_filename = md5($entry['name']) . '.jpg';
      # or str_replace for cheaper, potentially longer name:
      # $new_filename = str_replace('/.', '', $entry['name']);
      copy('zip://' . $file_path . '#' . $entry['name'], '/myFolder/' . $new_filename);
    }
  }
  $zip->close();
}
?>