废话不多说，上代码：
$data = array(
'name' => 'Joe',
'website' => 'www.jb51.net'
);
$data = http_build_query($data);
$data = json_encode($data);
$json = file_get_contents($url, 0, stream_context_create(array(
'http' => array(
'timeout' => 30,
'method' => 'POST',
'content' => $data
)
)));