The security of uploading files in PHP

xiaoxiao2021-04-04  254

After PHP 3 can be judged by is_uploaded_file () function to determine whether $ _files ['Name "is uploaded by http post method, so that the risk can be reduced in a certain program! Examples are as follows:

In previous PHP 3 can be determined by the following methods:?.

The above is organized in the PHP help documentation.

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