PHP calls cmd to execute ffmpeg to convert AMR audio to MP3

Question

It’s not easy to use in PHP. It’s easy to write commands directly in cmd. Even if the permissions are adjusted, there’s no problem.

Help, everyone!

Answer 1

There is no way, maybe the demand has been solved

Answer 2

It’s not appropriate for you to use PHP to operate this

Answer 3

Can that great god give me some advice? I'm confused and have no idea...