php的zip压缩代码

$error = ""; //error holder
if(isset($_POST['createpdf'])){
$post = $_POST;
$file_folder = "files/"; // folder to load files
if(extension_loaded('zip')){ // Checking ZIP extension is available
if(isset($post['files']) and count($post['files']) > 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
$error .= "* Sorry ZIP creation failed at this time
";
}
foreach($post['files'] 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
";
}else
$error .= "* You dont have ZIP extension
";
}
?>
Download As Zip
Create Zip
* File Type File Name
flowers.jpg
fun.jpg
uvamsi.docx
abc.pdf