How to download multiple files in php

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When multiple files need to be downloaded at the same time, most browsers do not support simultaneous downloading of multiple files. JavaScript scripts can be used to dynamically generate multiple links, but the user needs to click the download dialog box multiple times. The experience is not good, and some browsers are not compatible yet. At this time, multiple file package downloads can help you solve this problem.

$filename = "test.zip";
$datalist=array('./pubfile/1.jpg','./pubfile/2.jpg');
if(!file_exists($filename)){
 $zip = new ZipArchive();
 if ($zip->open($filename, ZipArchive::CREATE)==TRUE) {
  foreach( $datalist as $val){
   if(file_exists($val)){
    $zip->addFile( $val, basename($val));
   }
  }
  $zip->close();
 }
}
if(!file_exists($filename)){
 exit("无法找到文件");
}
header("Cache-Control: public");
header("Content-Description: File Transfer");
header('Content-disposition: attachment; filename='.basename($filename)); //文件名
header("Content-Type: application/zip"); //zip格式的
header("Content-Transfer-Encoding: binary"); //告诉浏览器，这是二进制文件
header('Content-Length: '. filesize($filename)); //告诉浏览器，文件大小
@readfile($filename);

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