$strPostURL='網站根目錄';
$arrData=array(
    //'email'       =>'jana@jana.bz', // WordPress 帳號 email
    'mobile'        =>'0932888999',
    'user-id'   =>'janalee.tw', // 自訂 user-id
    'action'    =>'custom-user-id',
);

$ch=curl_init();

curl_setopt($ch, CURLOPT_URL, $strPostURL);
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($ch, CURLOPT_CUSTOMREQUEST, 'POST');

curl_setopt($ch, CURLOPT_POSTFIELDS, http_build_query($arrData));

curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/x-www-form-urlencoded'));

curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);

curl_setopt($ch, CURLOPT_TIMEOUT, 30);

$response=curl_exec($ch);

if(curl_errno($ch)){
    $response['error']      =true;
    $response['message']    =curl_error($ch);
}

curl_close($ch);

// 回傳資料範例: {"status":"OK","message":"\u66f4\u65b0\u5b8c\u6210"}