How to generate child private key by php, please quote

[minton980]

Hi
With Electrum console.
we can run this command to get a child private key
You are connected to an ElectrumX 1.16.0 server.
>>> getprivatekeyforpath('m/0/1')
"p2wpkh:Ky4XXXXXXXXXXXXXXXXXXXXXXXX"
>>>
Can this be done in php?
Input are electrum seed(12 words) or master private key:zrpivAZ*********** and the derive path, 'm/0/1' in above example.
I can pay you for this in bitcoin, please quote.
Thanks for you time.

[Abdussamad]

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[pooya87]

Using the console is generally slow and it is not meant to be called in a loop, which is what I assume you want to do (derive 50000+ keys and addresses) based on your other topic; therefore it will only complicate a simple thing you want to do.

[minton980]

Using the console is generally slow and it is not meant to be called in a loop, which is what I assume you want to do (derive 50000+ keys and addresses) based on your other topic; therefore it will only complicate a simple thing you want to do.

Yes, console is slow, therefor I want to do this in php to make the progress automatically.
Let's say I have 50,000 child addresses and how to sweep the balance(if any) to the first child address for spending it later?