文件上传类型问题

Question

<?php
$upfile="upload/".$_FILES['test']['name'];
if($_FILES['test']['error']>0)
{
echo "错误".$_FILES['test']['error'];
exit;
}
if(($_FILES['test']['type']!="image/pjpeg")||($_FILES['test']['type']!="image/jpeg"))
{
echo "文件类型错误";
exit;
}
if(is_uploaded_file($_FILES['test']['tmp_name']))
{
if(!move_uploaded_file($_FILES['test']['tmp_name'],$upfile))
{
echo "未知错误";
exit;
}
}
else
{
echo "你打算干什么?";
exit;
}
echo "上传成功";
?>
IE8下.上传.JPG文件.总是显示文件类型错误.把if(($_FILES['test']['type']!="image/pjpeg")||($_FILES['test']['type']!="image/jpeg"))改成if($_FILES['test']['type']!="image/pjpeg")就正常了.
不解.求解答.谢谢

Answer 1

$_FILES['test']['type']!="image/jpeg") jpeg就是jpg - -

Answer 2

不对.我有点迷糊.我上传JPG格式.应该都不满足if两个条件if(($_FILES['test']['type']!="image/pjpeg")||($_FILES['test']['type']!="image/jpeg"))不为真.怎么显示文件类型错误?