setAccessKey("your ak"); $client->setSecretKey("your sk"); $body = [ 'NumberPoolNo' => 'NP162981168404095092', 'PhoneNoA' => '13700000001', 'PhoneNoB' => '13700000002', 'PhoneNoX' => '13700000005', 'ExpireTime' => '1632920195', 'UserData' => 'this is my user data', ]; $response = $client->BindAXN($body); echo $response;