php curl post 提交封装

/**
???* post提交方式
???* urlPost = 提交内容
???* url = 链接
???*/ ?

private function Post($curlPost,$url){
???????　　$curl = curl_init();
???????　　curl_setopt($curl, CURLOPT_URL, $url);
???????　　curl_setopt($curl, CURLOPT_HEADER, false);
???????　　curl_setopt($curl, CURLOPT_RETURNTRANSFER, true);
???????　　curl_setopt($curl, CURLOPT_NOBODY, true);
???????　　curl_setopt($curl, CURLOPT_POST, true);
???????　　curl_setopt($curl, CURLOPT_POSTFIELDS, $curlPost);
???????　　$return_str = curl_exec($curl);
???????　　curl_close($curl);
???????　　return $return_str;
???}