尽管有检查,Zip->close() 仍返回 false [英] Zip->close() returns false despite checks
问题描述
我正在尝试使用 ZipArchive 类创建一个 zip 文件.我在这里和那里阅读了很多并实施了很多检查(文件存在,目录可写......).但是 zip->close() 仍然返回 'false',我不知道为什么.
I'm trying to create a zip file with the ZipArchive class. I was reading a lot here and there and implemented a lot of checks (file existence, directory writable..). But zip->close() still returns 'false' and I can't figure out why.
if (!is_writable('../temp_downloads/')) {
die('directory not writable'); }
function create_zip($files = array(),$destination = '',$overwrite = false) {
$destination = "../temp_downloads/".$destination.".zip";
if(file_exists($destination) && !$overwrite) { return false; }
$valid_files = array();
if(is_array($files)) {
foreach($files as $file) {
if(file_exists('../data/'.$file) && is_readable('../data/'.$file)) {
$valid_files[] = $file;
}
}
}
if(count($valid_files)) {
$zip = new ZipArchive();
if($zip->open($destination,$overwrite ? ZIPARCHIVE::OVERWRITE : ZIPARCHIVE::CREATE) !== true) {
exit('cannot create zip');
}
foreach($valid_files as $file) {
$zip->addFile($file,$file); // result returns 'true'
}
$res = $zip->close(); //$res contains 'false'
if(file_exists($destination)){
error_log("zip exists ".$destination);
header("Content-type: application/zip");
header("Content-Disposition: attachment; filename=$destination");
header("Content-length: " . filesize($destination));
header("Pragma: no-cache");
header("Expires: 0");
readfile("$destination");
} else {
error_log("ERROR: Zip doesnt exist at ".$destination);
}
return file_exists($destination);
} else {
return false;
}
}
我用
create_zip($files, 'PREFIX_'.$stamp, true);
其中 $files 是一个数组,而 $stamp 只是一个时间戳.为了测试目标文件夹,chmod 设置为 777
where $files is an array and $stamp just a timestamp. For testing the destination folders chmod is set to 777
你能帮我吗?
推荐答案
您(可能?)在 zip 操作中使用了错误的文件路径:
You're (maybe?) using incorrect paths for your files in the zip operations:
在这里寻找../data/$file
:
if(file_exists('../data/'.$file) && is_readable('../data/'.$file)) {
$valid_files[] = $file;
但在压缩时,您只需:
$zip->addFile($file,$file);
代替
$zip->addFile("../data/$file",$file);
我不知道 addFile 如何返回 true,除非您碰巧在脚本的当前工作目录中有所有这些文件的副本,或者您正在 data
目录和 中工作>../data
与 .
I don't see how addFile could return true, unless you coincidentally happen to have duplicates of all those files in the script's current working directory, or you ARE working in a data
directory and ../data
is the same as .
这篇关于尽管有检查,Zip->close() 仍返回 false的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!