im.kayac.comは最高に便利。 $username = 'testuser'; $password = 'testpass'; $data = array( "message" => "ほげほえ", "password" => $password, ); $data['sig'] = sha1($data['message'] . $data['password']); unset($data['password']); $data = http_build_query($data, "", "&"); //header $header = array( "Content-Type: application/x-www-form-urlencoded", "Content-Length: ".strlen($data) ); $context = array( "http" =>