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关于上传资料的疑惑

WBOY
Release: 2016-06-13 11:28:43
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关于上传文件的疑惑
最近在听php视频,其中有一个代码不理解
if (is_uploaded_file($_FILES['upfile']['tmp_name'])){

$upfile=$_FILES["upfile"];

}


主要是取值的问题,比如说upfile我知道是从表单取的值,但是tmp_name我就不知道怎么取到的值,还请大牛们指教,谢谢!

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