http 发送post请求

$http_url = 'https://qyapi.weixin.qq.com/cgi-bin/externalcontact/groupchat/list?access_token='.$access_token;

$post_data = [
];

$arr = $this->send_post($http_url,$post_data);

function send_post($url, $post_data) {

header('Content-Type: Application/json');

$postdata = http_build_query($post_data); $options = array( 'http' => array( 'method' => 'POST', 'header' => 'Content-type:application/x-www-form-urlencoded', 'content' => $postdata, 'timeout' => 15 * 60 // 超时时间（单位:s）  ) ); $context = stream_context_create($options); $result = file_get_contents($url, false, $context); return $result; }