post request

test.php

<?php

$data = array(
	'f&oo'=>'bar',
	'baz'=>'bo/om',
	'php'=>'hypertext processor'
);


$data = http_build_query($data, "", "&");

//header
$header = array(
	"Content-Type: application/x-www-form-urlencoded",
	"Content-Length: ".strlen($data)
);

$context = array(
	"http" => array(
		"method"  => "POST",
		"header"  => implode("\r\n", $header),
		"content" => $data
	)
);

echo 'request_body';
var_dump($data);

echo file_get_contents('https://domain/magazine/Gushi/index', false, stream_context_create($context));