Simple PHP file downloading code

Php file Upload simple code 1. program file & lt ;? Php // Determine whether the temporary file storage path contains the user-uploaded file if (is_uploaded_file ($ _ FILES ["uploadfile"] ["tmp_name"]) {// for higher efficiency, store the information in the variable // byhttp: // php file Upload simple code
1. program files

 M.jpg [type] => image/jpeg [tmp_name] => C: \ WINDOWS \ Temp \ php1A. tmp [error] => 0 [size] => 44905) $ name = $ upfile ["name"]; // The name $ type = $ upfile ["type"] when transferring a file later; // The type of the uploaded file $ size = $ upfile ["size"]; // size of the uploaded file $ tmp_name = $ upfile ["tmp_name"]; // temporary name of the file uploaded by the user $ error = $ upfile ["error"]; // error message during the upload process // echo $ name; // Determine the file type to determine whether to transfer the file, if yes, set $ OK = 1 to switch ($ type) {case "image/jpg": $ OK = 1; break; case "image/jpeg ": $ OK = 1; break; case "image/gif": $ OK = 1; break; default: $ OK = 0; break ;} // if the file meets the requirements and there is no error during the upload if ($ OK & $ error = '0') {// call the move_uploaded_file () function, file transfer move_uploaded_file ($ tmp_name, 'up /'. $ name); // after the operation is successful, the system prompts echo"