Detailed PHP interface to submit payment butt curl Post manner

In doing payment interface docking when encountered using PHP's curl function implementation Get and Post requests, as detailed below.

$headers = [ "Content-type: application/json;charset='utf-8'", "Accept: application/json", "Cache-Control: no-cache", "Pragma: no-cache" ];
$ch = curl_init($url);
curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, 0);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, 0);//当请求https的数据时，会要求证书，这时候，加上以上这两个参数，规避ssl的证书检查
curl_setopt($ch, CURLOPT_TIMEOUT, 60);//设置超时时间
curl_setopt($ch, CURLOPT_POST, TRUE);//设置post方式提交
curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($post)); //post提交数据，数组格式，键名是name，键值是value
curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);//CURLOPT_RETURNTRANSFER 不设置 curl_exec返回TRUE 设置 curl_exec返回json(此处) 失败都返回FALSE
curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);  
$data = curl_exec($ch); 
curl_close($ch);