请教一个php的ftp上传问题
首先请教一个概念问题：
当php通过file域进行文件提交的时候，在执行php的move_uploaded_file之前会有一个临时文件，这个临时文件存放的位置应该是服务端没错吧？这个时候如果ftp服务器和web服务器为同一台服务器的话，再使用ftp方法是否已经已经没有任何意义了？会提高速度？还是有别的优势？
其次请教一个ftp的问题：
如果想不通过webf要单纯使用ftp上传的话，如何通过php获取当前上传文件在本地时的路径？
------解决思路----------------------
如果目的是将文件传至 ftp 服务器，那就有意义！
对于 ftp服务器和web服务器同在一台机器 的这个特例，可不必考虑
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