“I don’t think he was happy at the time,’’ Burke told The Post in the most revealing testimony yet about Porzingis’ alleged trade demand. “But I do think he wanted to stay. I think something happened at the meeting. I don’t know everything. Going into the meeting, KP had one type of understanding. After the meeting, there was a 180. “I know once Knicks management and KP had that meeting, KP was out of New York because of what was said. I think he went into the meeting hoping, like, ‘OK, what’s the plan for next year?’ And something went wrong in that meeting and it just blew up. And that was the end of Porzingis.”