PHP发送POST请求

/**

* 发送post请求

* @param string $url 请求地址

* @param array $post_data post键值对数据

* @return string

*/

function send_post($url, $post_data) {

$postdata = http_build_query($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;

}

//使用方法

$post_data = array(

‘username’ => ‘stclair2201’,

‘password’ => ‘handan’

);

send_post(‘http://www.jb51.net’, $post_data);