diff --git a/example/includes/cli.php b/example/includes/cli.php
index 39e772a..5198811 100644
--- a/example/includes/cli.php
+++ b/example/includes/cli.php
@@ -66,7 +66,7 @@ function cli_list($command_args) {
       case '-s':
       case '--status':
         $i++;
-        if(!check_status($command_args[$i]))
+        if(!Item :: check_status($command_args[$i]))
           Cli :: usage('Invalid -s/--status clause');
         $params['filters']['status'] = $command_args[$i];
         break;
@@ -124,7 +124,7 @@ Cli :: add_command(
     "                     - ".implode("\n                     - ", Item :: possible_orders()),
     ___("-r|--reverse       Reverse order"),
     ___("-s|--status        Filter on status. Possible values:"),
-    "                     - ".implode("\n                     - ", array_keys($status_list)),
+    "                     - ".implode("\n                     - ", array_keys(Item :: statuses())),
   )
 );
 
diff --git a/example/includes/core.php b/example/includes/core.php
index 0daaf07..aaaf6ed 100644
--- a/example/includes/core.php
+++ b/example/includes/core.php
@@ -57,16 +57,6 @@ $sentry_span = new SentrySpan('core.init', 'Core initialization');
 
 require_once('functions.php');
 
-// Nomenclatures
-$status_list = array (
-  'pending' => ___('Pending'),
-  'validated' => ___('Validated'),
-  'refused' => ___('Refused'),
-  'archived' => ___('Archived'),
-);
-foreach($status_list as $key => $value)
-  $status_list[$key] = _($value);
-
 require_once('cli.php');
 require_once('templates.php');
 require_once('views/index.php');
diff --git a/example/includes/functions.php b/example/includes/functions.php
index afd77b7..e7fc91f 100644
--- a/example/includes/functions.php
+++ b/example/includes/functions.php
@@ -6,15 +6,9 @@ use EesyPHP\Session;
 use EesyPHP\Tpl;
 use EesyPHP\Url;
 
-use function EesyPHP\vardump;
+use EesyPHPExample\Db\Item;
 
-/*
- * Check values helpers
- */
-function check_status($status) {
-  global $status_list;
-  return array_key_exists($status, $status_list);
-}
+use function EesyPHP\vardump;
 
 /*
  * Handling item POST data
@@ -41,7 +35,7 @@ function handle_item_post_data(&$info, $enabled_fields=null, $required_fields=nu
 
     // status
     if (!$enabled_fields || in_array('status', $enabled_fields)) {
-      if (isset($_POST['status']) && check_status($_POST['status'])) {
+      if (isset($_POST['status']) && Item :: check_status($_POST['status'])) {
         $info['status'] = $_POST['status'];
       }
       else {
diff --git a/example/includes/templates.php b/example/includes/templates.php
index 0304a4d..6f04c9b 100644
--- a/example/includes/templates.php
+++ b/example/includes/templates.php
@@ -7,6 +7,7 @@ use EesyPHP\Log;
 use EesyPHP\Tpl;
 use EesyPHP\Url;
 
+use EesyPHPExample\Db\Item;
 
 use function EesyPHP\format_size;
 
@@ -25,19 +26,15 @@ Tpl :: enable_security_mode(
 );
 
 function define_common_template_variables($event) {
-  global $status_list, $admin;
-  Tpl :: assign(
-    'status_list',
-    isset($status_list) && is_array($status_list)?
-    $status_list:array()
-  );
+  global $admin;
+  Tpl :: assign('statuses', Item :: statuses());
   Tpl :: assign('admin', isset($admin) && $admin);
 }
 Hook :: register('before_displaying_template', 'define_common_template_variables');
 
 // Templates functions
 function smarty_item_status($params) {
-  global $status_list;
+  $statuses = Item :: statuses();
   $status2class = array (
     'pending' => 'info',
     'validated' => 'success',
@@ -51,8 +48,8 @@ function smarty_item_status($params) {
     $class='danger';
   echo "<span class='badge bg-$class'>";
   echo (
-    array_key_exists($params['item']->status, $status_list)?
-    $status_list[$params['item']->status]:
+    array_key_exists($params['item']->status, $statuses)?
+    $statuses[$params['item']->status]:
     "Inconnu (".$params['item']->status.")"
   );
   echo "</span>";
diff --git a/example/includes/views/index.php b/example/includes/views/index.php
index 310e27e..e13dd36 100644
--- a/example/includes/views/index.php
+++ b/example/includes/views/index.php
@@ -19,8 +19,6 @@ if (php_sapi_name() == "cli")
  * @return void
  */
 function handle_search($request) {
-  global $status_list;
-
   // Manage params
   if(
     (isset($_REQUEST['clear']) && $_REQUEST['clear']=='true') ||
@@ -38,9 +36,8 @@ function handle_search($request) {
   }
   Log :: debug('Request params : '.vardump($_REQUEST));
 
-  $status_list['all'] = _('Any');
   if (isset($_REQUEST['status'])) {
-    if (check_status($_REQUEST['status']) || $_REQUEST['status'] == 'all')
+    if (Item :: check_status($_REQUEST['status'], true))
       $_SESSION['search']['filters']['status'] = $_REQUEST['status'];
     else
       Tpl :: assign('status_error', true);
@@ -103,7 +100,7 @@ function handle_search($request) {
   Tpl :: assign('result', $result);
   Tpl :: assign('search', $_SESSION['search']);
   Tpl :: assign('nbs_by_page', $nbs_by_page);
-  Tpl :: assign('status_list', $status_list);
+  Tpl :: assign('status_choices', Item :: statuses(true));
 
   Tpl :: add_css_file(
     'lib/bootstrap5-dialog/css/bootstrap-dialog.min.css',
@@ -149,8 +146,6 @@ Url :: add_url_handler('|^item/(?P<id>[0-9]+)$|', 'handle_show');
  * @return void
  */
 function handle_create($request) {
-  global $status_list;
-
   $info = array();
   $field_errors = handle_item_post_data($info);
   if (isset($_POST['submit']) && empty($field_errors)) {
@@ -171,15 +166,12 @@ function handle_create($request) {
   Tpl :: assign('submited', isset($_POST['submit']));
   Tpl :: assign('info', $info);
   Tpl :: assign('field_errors', $field_errors);
-  Tpl :: assign('status_list', $status_list);
 
   Tpl :: display("form.tpl", _("New"));
 }
 Url :: add_url_handler('|^item/new$|', 'handle_create');
 
 function handle_modify($request) {
-  global $status_list;
-
   $item = Item :: get_from_url($request -> id);
   if(!$item)
     Url :: error_404();
@@ -217,7 +209,6 @@ function handle_modify($request) {
   Tpl :: assign('info', (!empty($info)?$info:$item));
   Tpl :: assign('item_id', $item->id);
   Tpl :: assign('field_errors', $field_errors);
-  Tpl :: assign('status_list', $status_list);
 
   Tpl :: display("form.tpl", _("Element %s: Modification"), $item->name);
 }
diff --git a/example/phpstan.neon b/example/phpstan.neon
index eeed8e1..1d5c9e6 100644
--- a/example/phpstan.neon
+++ b/example/phpstan.neon
@@ -9,9 +9,3 @@ parameters:
         - EesyPHP\UrlRequest
         - EesyPHP\Auth\User
     treatPhpDocTypesAsCertain: false
-    ignoreErrors:
-        -
-            message: "#Variable \\$status_list might not be defined\\.#"
-            paths:
-                - includes/cli.php
-
diff --git a/example/src/Db/Item.php b/example/src/Db/Item.php
index 6e81431..013a1f0 100644
--- a/example/src/Db/Item.php
+++ b/example/src/Db/Item.php
@@ -9,6 +9,7 @@ use EesyPHP\Tpl;
 
 use EesyPHP\Db\AttrBool;
 use EesyPHP\Db\AttrInt;
+use EesyPHP\Db\AttrSet;
 use EesyPHP\Db\AttrStr;
 use EesyPHP\Db\AttrTimestamp;
 use EesyPHP\Db\DbObject;
@@ -32,12 +33,43 @@ class Item extends DbObject {
   protected const DEFAULT_ORDER_DIRECTION = 'DESC';
   protected const POSSIBLE_ORDERS = ['id', 'name', 'date', 'status'];
 
+  /**
+   * Get status possible values with their translated label
+   * @param boolean $with_all_choice  Set to true to add the 'all' value (optional, default: false)
+   * @return array<string,string>
+   */
+  public static function statuses($with_all_choice=false) {
+    $statuses = array (
+      'pending' => _('Pending'),
+      'validated' => _('Validated'),
+      'refused' => _('Refused'),
+      'archived' => _('Archived'),
+    );
+    if ($with_all_choice)
+      $statuses['all'] = _('Any');
+    return $statuses;
+  }
+
+  /**
+   * Check item status value
+   * @param mixed  $value  Value to check
+   * @param boolean $allow_all  Set to true to allow the 'all' value (optional, default: false)
+   * @return boolean
+   */
+  public static function check_status($value, $allow_all=false) {
+    return array_key_exists($value, self :: statuses($allow_all));
+  }
+
   protected static function get_schema() {
     return [
       'id' => new AttrInt(['autoincrement' => true]),
       'name' => new AttrStr(['required' => true]),
       'date' => new AttrTimestamp(['default' => 'time']),
-      'status' => new AttrStr(['required' => true, 'default' => 'pending']),
+      'status' => new AttrSet([
+        'required' => true,
+        'default' => 'pending',
+        'possible_values' => array_keys(self :: statuses()),
+      ]),
       'description' => new AttrStr(),
     ];
   }
diff --git a/example/templates/form.tpl b/example/templates/form.tpl
index a7fa301..f87bb93 100644
--- a/example/templates/form.tpl
+++ b/example/templates/form.tpl
@@ -20,7 +20,7 @@
     <div class="col-sm-10">
       <select name="status" id="status" required
         class="form-select{if array_key_exists('status', $field_errors)} is-invalid{else if $submitted} is-valid{/if}">
-        {html_options options=$status_list selected=$info->status}
+        {html_options options=$statuses selected=$info->status}
       </select>
       {if array_key_exists('status', $field_errors)}
         <div class="invalid-feedback">{$field_errors['status']}</div>
diff --git a/example/templates/search.tpl b/example/templates/search.tpl
index 3f7c803..859663f 100644
--- a/example/templates/search.tpl
+++ b/example/templates/search.tpl
@@ -15,7 +15,7 @@
         <label class="input-group-text" for="status">{t}Status{/t}</label>
         <select name="status" id="status"
           class="form-select{if isset($status_error) && $status_error} is-invalid{/if}">
-          {html_options options=$status_list selected=$search.filters.status}
+          {html_options options=$status_choices selected=$search.filters.status}
         </select>
       </div>
     </div>