Please tell me how to get the content of this URL in PHP.

Question

https://www.okex.me/api/futures/v3/instruments/BTC-USD-191227/book?size=5

file_get_contents() cannot be opened
curl didn’t figure it out. Can anyone help me figure out what the problem is?

Answer 1

Just use curl get on the proxy IP

Answer 2

Can’t open it, I definitely can’t get it