带Header的POST请求：
/*** POST发送数据* @param String $url 请求的地址* @param Array $header 自定义的header数据* @param Array $data POST的数据* @return String*/
function post($url,$data=[],$header=[]){$ch = curl_init();if(substr($url,0,5)=='https'){curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); // 跳过证书检查curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, true); // 从证书中检查SSL加密算法是否存在}curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);curl_setopt($ch, CURLOPT_URL, $url);curl_setopt($ch, CURLOPT_HTTPHEADER, $header);curl_setopt($ch, CURLOPT_POST, true);curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($data));$response = curl_exec($ch);if($error=curl_error($ch)){die($error);}curl_close($ch);//var_dump($response);return $response;
}