How to make the VK bot respond to PHP user commands?

Question

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I create a VK bot. It is necessary to implement the bot's response to the embedded message (let's say / commands). The bot should answer this: "Here's what I can do: ..." and then the enumeration follows. I've looked all over the internet, no answer. Tell me the code, please.

Answer 1

I've looked all over the internet, no answer.

I'm just wondering how you dug? the first link on request "bot vk php example"
https://github.com/VKCOM/bot-example-php