PHP CURL发送POST请求（支持HEADER参数配置）

/** POST请求（raw数据请求，支持HEADER参数配置）
     * @param $url
     * @param $datas  支持数组或字符串
     * # $CURLOPT_HTTPHEADER = [ 'X-AjaxPro-Method:ShowList', 'Content-Type: application/json; charset=utf-8', 'Content-Length: ' . strlen($data_string)];
     */
    function curlPostRaw($url, $datas, $HTTPHEADER = ['Content-Type' => 'application/json; charset=utf-8','X-safety-source'=>'openApiSdk']) {
        if(is_array($datas)){
            if(is_array($HTTPHEADER) && $HTTPHEADER['Content-Type']=='application/json; charset=utf-8'){
                $data_string = jsonEncode($datas);
            }else{
                $temps = [];
                foreach ($datas as $key => $value) {
                    $temps[] &