Curl under Windows cuts response and inserts characters?

Question

PHP

I 'm testing the API, I need to send a POST request, and
I use curl, php5.6, windows 7
to get a response, as a result, the response comes with truncated json and additional characters before and after json

At the same time, under linux everything is fine, I tried versions php5.4, 5.5, it did not help
PS: with a different json response, different artifacts are generated, and trimming by length is also not stable, it cuts everything, even short lines, even long ones

Answer 1

Something is very similar to Chunked transfer encoding
https://ru.wikipedia.org/wiki/Chunked_transfer_encoding
Apparently, either the answer is a curve, or the client does not process this answer in the same way.