问题 I am implementing web push notifications using Onesigal API. $fields = array( 'app_id' => "07aae1f0-xxxx-xxxx-aa7a-21c79c5b6733", 'include_player_ids'=>['57dd3f80-xxxx-xxxx-adb0-294bfa69621a'], 'contents' => array( "en"=> "message" ) ); $fields = json_encode($fields); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "https://onesignal.com/api/v1/notifications"); curl_setopt($ch, CURLOPT_HTTPHEADER, array('Content-Type: application/json; charset=utf-8', 'Authorization: Basic YTdmYTYxYzYtN..