问当我从另一个laravel应用程序调用控制器上的update方法时，插入了错误的时间戳

EN

$updatedIntranet = new DateTime($stagesIntranet[$key]->updated_at);
                $stageSiteValueIndex = array_keys($stagesSiteIds,$id);
                
                echo('id : '. $id);
                $updatedsite = new DateTime($stagesSite[$stageSiteValueIndex[0]]->updated_at);
                $diffTimestamps = $updatedIntranet->getTimestamp() - $updatedsite->getTimestamp();

                echo '------- updated intranet ---------<br />';
                dump($stageIntranet->updated_at);
               
                echo '-------- updated site --------<br />';
                dump($stagesSite[$stageSiteValueIndex[0]]->updated_at);
               
                echo '--------diff--------<br />';
                
                
                // site must be updated
                if( $diffTimestamps != 0)
                {
                    dump('delta : '.$diffTimestamps);

                    $countUpdated++;

                    $stageIntranet->id = $stageIntranet->id_stages;
                    unset($stageIntranet->id_stages);
                   
                    
                    $stageIntranetCleanUTF8 =  $this->utf8ize($stageIntranet->toArray());
                    
                  
                    $stageIntranetJson = json_encode($stageIntranetCleanUTF8,JSON_UNESCAPED_UNICODE);
                    
                    
                    $updateResponse = $client->put(
                        $this->updateTarget.'/'.$stageIntranet->id,
                        [
                            'json'=>[$stageIntranetJson],
                        ]
                    );
    
                    dd($updateResponse->getBody()->getContents());
                    
                }