apple singn in web php redirect id_token parsing

<?php echo "<br>____________________________"; echo "<br>____________________________$check_res"; if (isset($_POST['code'])) { $code = urlencode($_POST['code']); // token echo "<br>____________________________$code"; $token = explode('.', $_REQUEST['id_token']); echo "<br>1____________________________$token[1]"; $id_token=base64_decode($token[1],true); $token_data = json_decode($id_token, true); // $decode_array = json_decode(base64_decode(str_replace('_', '/', str_replace('-','+',explode('.', $token)[1]))), true); echo "<br>2____________________________$token_data"; $token_array=(array)$token_data ; echo "<br>4_token_array___________________________$token_array"; $token_array_sub =$token_array['sub']; $token_array_mail =$token_array['email'];