[Update]Show userLogin if empty name

wp-content/themes/nap/functions.php

@@ -431,7 +431,7 @@ function nap_filter_attribute($id, $args, $options, $list_attr, $search) {
    if(
         ( ($list_couleur && in_array($list_attr['pa_couleur'],$list_couleur)) || empty($list_couleur) ) &&
         ( ($list_format && in_array($list_attr['pa_format'],$list_format)) || empty($list_format) ) &&
-		( ($list_univers && in_array($list_attr['pa_univers'],$list_univers)) || empty($list_univers) ) &&
+        ( ($list_univers && in_array($list_attr['pa_univers'],$list_univers)) || empty($list_univers) ) &&
         ( ($list_matiere && in_array($list_attr['pa_matiere'],$list_matiere)) || empty($list_matiere) ) 
     )
    {
@@ -680,7 +680,11 @@ function get_logged_user() {
     if (is_user_logged_in()) {
         global $current_user;
         get_currentuserinfo();
-        echo $current_user->user_lastname . ' ' . $current_user->user_firstname;
+        if($current_user->user_lastname || $current_user->user_firstname){
+            echo $current_user->user_lastname . ' ' . $current_user->user_firstname;
+        }else{
+            echo $current_user->user_login;
+        }
         echo '<span class = "logout"><a href="' .  wp_logout_url( home_url() ) . '">déconnexion</a></span>';
     } else {
         echo '<a class="login" href="#">accès pro</a>';
@@ -741,18 +745,18 @@ function nap_trash_fiche_technique($post_id) {
 
 add_action( 'pre_get_posts', 'nap_change_filter_post' );
 function nap_change_filter_post() {
-	global $wp_query;
-	if(is_admin()) {
-		if(!empty($wp_query->query_vars['product_cat'])) {
-			setcookie("product_cat", $wp_query->query_vars['product_cat']);
-		}
-		if(!isset($_GET['product_cat']) && ($_GET['post_type'] == 'product')) {
-			$wp_query->query_vars['product_cat'] = $_COOKIE['product_cat'];
-		}
-		elseif(isset($_GET['product_cat']) && empty($_GET['product_cat'])) {
-			setcookie("product_cat", $wp_query->query_vars['product_cat']);
-		}
-	}
+    global $wp_query;
+    if(is_admin()) {
+        if(!empty($wp_query->query_vars['product_cat'])) {
+            setcookie("product_cat", $wp_query->query_vars['product_cat']);
+        }
+        if(!isset($_GET['product_cat']) && ($_GET['post_type'] == 'product')) {
+            $wp_query->query_vars['product_cat'] = $_COOKIE['product_cat'];
+        }
+        elseif(isset($_GET['product_cat']) && empty($_GET['product_cat'])) {
+            setcookie("product_cat", $wp_query->query_vars['product_cat']);
+        }
+    }
 }
 
 function nap_show_associated_products() {