PHP Zip压缩 在线对文件进行压缩的函数
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<div class="codetitle"><a style="CURSOR: pointer" data="87070" class="copybut" id="copybut87070" onclick="doCopy('code87070')"> 代码如下:
<div class="codebody" id="code87070">
/
creates a compressed zip file /
function create_zip($files = array(),$destination = '',$overwrite = false) {
//if the zip file already exists and overwrite is false,return false
if(file_exists($destination) && !$overwrite) { return false; }
//vars
$valid_files = array();
//if files were passed in...
if(is_array($files)) {
//cycle through each file
foreach($files as $file) {
//make sure the file exists
if(file_exists($file)) {
$valid_files[] = $file;
}
}
}
//if we have good files...
if(count($valid_files)) {
//create the archive
$zip = new ZipArchive();
if($zip->open($destination,$overwrite ? ZIPARCHIVE::OVERWRITE : ZIPARCHIVE::CREATE) !== true) {
return false;
}
//add the files
foreach($valid_files as $file) {
$zip->addFile($file,$file);
}
//debug
//echo 'The zip archive contains ',$zip->numFiles,' files with a status of ',$zip->status; //close the zip -- done!
$zip->close(); //check to make sure the file exists
return file_exists($destination);
}
else
{
return false;
}
}
/
** Example Usage /
$files=array('file1.jpg','file2.jpg','file3.gif');
create_zip($files,'myzipfile.zip',true);
