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 have found the following code to zip the folder.
<?php
$files = "upload/".array('Dear GP.docx','ecommerce.doc');
$zipname = 'filename.zip';
$zip = new ZipArchive;
$zip->open($zipname, ZipArchive::CREATE);
foreach ($files as $file) {
$zip->addFile($file);
}
$zip->close();
header('Content-Type: application/zip');
header('Content-disposition: attachment; filename=filename.zip');
header('Content-Length: ' . filesize($zipfilename));
readfile($zipname);
?>
Thanks for your answers.
<?php
$files = array('Dear GP.docx','ecommerce.doc');
# create new zip opbject
$zip = new ZipArchive();
# create a temp file & open it
$tmp_file = tempnam('.','');
$zip->open($tmp_file, ZipArchive::CREATE);
# loop through each file
foreach($files as $file){
# download file
$download_file = file_get_contents($file);
#add it to the zip
$zip->addFromString(basename($file),$download_file);
}
# close zip
$zip->close();
# send the file to the browser as a download
header('Content-disposition: attachment; filename=Resumes.zip');
header('Content-type: application/zip');
readfile($tmp_file);
?>
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:
None of the people answered earlier talked about the ob_start() and where exactly you should put it. Anyway, that alone was not the answer - you need to use those three lines above ob_start() too.
$file=$zippath.$filename;
if (headers_sent()) {
echo 'HTTP header already sent';
} else {
if (!is_file($file)) {
header($_SERVER['SERVER_PROTOCOL'].' 404 Not Found');
echo 'File not found';
} else if (!is_readable($file)) {
header($_SERVER['SERVER_PROTOCOL'].' 403 Forbidden');
echo 'File not readable';
} else {
while (ob_get_level()) {
ob_end_clean();
}
ob_start();
header($_SERVER['SERVER_PROTOCOL'].' 200 OK');
header("Content-Type: application/zip");
header("Content-Transfer-Encoding: Binary");
header("Content-Length: ".filesize($file));
header('Pragma: no-cache');
header("Content-Disposition: attachment; filename=\"".basename($file)."\"");
ob_flush();
ob_clean();
readfile($file);
exit;
}
}
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