Issues related to uploading videos to the server

Recently, I helped create a system for uploading videos, determining video formats, and transcoding videos.
Now that the video is transcoded, what is the best way to upload the video?
Whether the video should be uploaded in parts, etc.
Provide an idea or some reference materials. It would be best to have a demo. In fact, it is a system that automatically transcodes uploaded videos.
Because I work on iOS and I have been helping out recently. I have never done anything on the server side, so I am just trying to figure it out. I searched online and couldn't find any good information. Please recommend

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Recently, I helped create a system for uploading videos, determining video formats, and transcoding videos.
Now that the video is transcoded, what is the best way to upload the video?
Whether the video should be uploaded in parts, etc.
Provide an idea or some reference materials. It would be best to have a demo. In fact, it is a system that automatically transcodes uploaded videos.
Because I work on iOS and I have been helping out recently. I have never done anything on the server side, so I am just trying to figure it out. I searched online and couldn't find any good information. Please recommend

I don’t have the code D. Let’s wait for other enthusiastic students to answer. I’ll give you the manual http://php.net/manual/en/func...