php批量下载图片

//批量下载图片

public function download_img_all(){

 //图片数组
 $res = array(
 [0] = array(
 'ima_path'=>'/Uploads/1.png',
 ),
 [1] = array(
 'ima_path'=>'/Uploads/2.png',
 )
 );
 //创建压缩包的路径
  $filename = $_SERVER['DOCUMENT_ROOT'].'/Uploads/Dwonload.zip';

 $zip = new \ZipArchive;

 $zip->open($filename,$zip::CREATE);
 //往压缩包内添加目录
 $zip->addEmptyDir('images'); 

 foreach ($res as $value) {
 $fileData = file_get_contents( $_SERVER['DOCUMENT_ROOT'].$value['img_path']);
 if ($fileData) {
 $add = $zip->addFromString('images/'.$value['img_path'].'.jpg', $fileData);
 }
 }

 $zip->close();
 //打开文件
 
 //下载文件
 ob_end_clean();
 header("Content-Type: application/force-download");
 header("Content-Transfer-Encoding: binary");
 header('Content-Type: application/zip');
 header('Content-Disposition: attachment; filename='.time().'.zip');
 header('Content-Length: '.filesize($filename));
 error_reporting(0);
 readfile($filename);
 flush();
 ob_flush();


}

download_img_all();
//大概就是这样子