[PHP] POST 방식으로 건네받은 머리글과 본디글 얻기

$headers = apache_request_headers();
foreach ($headers as $header => $value) {
	echo "$header: $value\r\n";
}

Sec-Fetch-User: ?1
Sec-Fetch-Site: same-origin
Sec-Fetch-Dest: document
Sec-Fetch-Mode: navigate
Sec-Ch-Ua-Platform: "Unknown"
Sec-Gpc: 1
Sec-Ch-Ua-Mobile: ?0
Sec-Ch-Ua: " Not;A Brand";v="99", "Google Chrome";v="67", "Chromium";v="67"
Origin: http://...
Referer: http://...
Dnt: 1
Accept-Encoding: gzip, deflate;q=1.0, *;q=0.5
Accept-Language: en-US,en;q=0.5
Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8
User-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/67.0.3396.87 Safari/537.36
Content-Type: application/x-www-form-urlencoded
Cookie: TSSESSION...=31e355b676561c0d55a782f2512ba6de
Content-Length: 400
Connection: keep-alive
Host: ...

$raw_post_data = file_get_contents('php://input');