php强制下载文件函数
本文实例为大家分享了php强制下载文件函数，供大家参考，具体内容如下
public function down()
{
$id = $this->_get('id');
$M = M("downloads");
$data=$M->where("id=$id and status=1")->find();
!$data && exit;
$filename = iconv('UTF-8','GBK',$data['filename']);
$savename = $data['savename'];
$myfile = $data[url] ? $data[url] : 'Uploads/file/'.$savename;
if(file_exists($myfile)){
$M->where("id=$id")->setInc('downloads');
$file = @ fopen($myfile, "r");
header("Content-type: application/octet-stream");
header("Content-Disposition: attachment; filename=" .$filename );
while (!feof($file)) {
echo fread($file, 50000);
}
fclose($file);
exit;
}else{
echo '文件不存在！';
}
}
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持【宜配屋www.yipeiwu.com】。