I am trying to zip and download files from a folder named "upload". Zip file is downloading but I couldn't open extract it. I am getting an error like "The archive is either in unknown format or damaged". I had spent more than 6 hours on this downloading zip files on my mac localhost - Though the file was getting downloaded, I could not unzip them getting cpgz files.
Apparently, none of the solutions mentioned in stack overflow around a variety of questions on zip file download worked. Finally, after trial and error, I found that the following code works:. If you are still having issues then you should check if you have write permission to the current directory. You can check the return value of close to check whether the file was actually written. You could also add extra validation to check whether the files you are adding to the zip actually exist and before sending check the zip file exists.
Answer is good but Please add these lines before header. Zip file is open in all zip software winzip, winrar etc. I have a client "download-all" button for files stored in a parallel directory on a webserver. Having similar issues to the OP, the following code was created after reading many similar posts. The server is running php7. There are many times when you want to download zip file in your web application through URL and extract zip file to a particular folder on server side using PHP then this tutorial will be helpfull for you.
You may also like create zip file using PHP. Normally, you don't necessarily need to use any server side scripting language like PHP to download images, zip files, pdf documents, exe files, etc.
If such kind of file is stored in a public accessible folder, you can just create a hyperlink pointing to that file, and whenever a user click on the link, browser will automatically downloads that file. Clicking a link that points to a PDF or an Image file will not cause it to download to your hard drive directly.
It will only open the file in your browser. Further you can save it to your hard drive. I have created includes folder within the project where I stored some files and folders. Create ZipArchive Class object for Zip file creation. Define a function createZip to read files and directory from the specified directory path.
If the reading value is the file then add it to zip object using addFile method.
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