Corriger le lien vers le backend depuis le frontend

Le lien pointait vers ../../backend/web alors que sur le serveur distant le lien doit pointer vers boulanger.laboiteapain.net

frontend/views/layouts/main.php

                         </a>
                         <nav class="">
                             <ul class="nav nav-pills">
-                        <?php if(!Yii::$app->user->isGuest): ?>
+                        <?php if(!Yii::$app->user->isGuest):?>
                             <li><a <?php if(Yii::$app->controller->id == 'commande' && Yii::$app->controller->action->id == 'index'): ?>class="active" <?php endif; ?>href="<?php echo Yii::$app->urlManager->createUrl('commande/index') ; ?>"><span class="glyphicon glyphicon-th-list"></span> Tableau de bord</a></li>
                             <li><a <?php if(Yii::$app->controller->id == 'commande' && Yii::$app->controller->action->id == 'create'): ?>class="active" <?php endif; ?>href="<?php echo Yii::$app->urlManager->createUrl('commande/create') ; ?>"><span class="glyphicon glyphicon-plus"></span> Commander</a></li>
                             <li><a <?php if(Yii::$app->controller->id == 'user' && Yii::$app->controller->action->id == 'update'): ?>class="active" <?php endif; ?>href="<?php echo Yii::$app->urlManager->createUrl('user/update') ; ?>"><span class="glyphicon glyphicon-user"></span> Profil</a></li>
                             <li><a id="link-logout" href="<?php echo Yii::$app->urlManager->createUrl('site/logout') ; ?>"><span class="glyphicon glyphicon-off"></span> Déconnexion<!-- <span class="nom">(<?php echo Html::encode(Yii::$app->user->identity->prenom .' '.  substr(strtoupper(Yii::$app->user->identity->nom), 0, 1).'.') ; ?>)</span>--></a></li>
-                            <?php if(Yii::$app->user->identity->isBoulanger()): ?><li><a class="" id="link-espace-boulanger" href="../../backend/web/"><span class="glyphicon glyphicon-grain"></span> Espace boulanger</a></li><?php endif; ?>
+                            <?php if(Yii::$app->user->identity->isBoulanger()): ?><li><a class="" id="link-espace-boulanger" href="<?php if(Yii::$app->getRequest()->serverName == 'localhost'): ?>../../backend/web/<?php else: ?>boulanger.laboiteapain.net<?php endif; ?>"><span class="glyphicon glyphicon-grain"></span> Espace boulanger</a></li><?php endif; ?>
                         <?php else: ?>
                             <li><a <?php if(Yii::$app->controller->id == 'site' && Yii::$app->controller->action->id == 'login'): ?>class="active" <?php endif; ?>href="<?php echo Yii::$app->urlManager->createUrl('site/login') ; ?>"><span class="glyphicon glyphicon-log-in"></span> Connexion</a></li>
                             <li><a <?php if(Yii::$app->controller->id == 'site' && Yii::$app->controller->action->id == 'signup'): ?>class="active" <?php endif; ?>href="<?php echo Yii::$app->urlManager->createUrl('site/signup') ; ?>"><span class="glyphicon glyphicon-user"></span> Inscription</a></li>