Hotline: #182618 : Fixed typing of nb_aff in Library helper.

library/ZendAfi/View/Helper/Accueil/Library.php

@@ -79,14 +79,17 @@ class ZendAfi_View_Helper_Accueil_Library extends ZendAfi_View_Helper_Accueil_Ba
   }
 
 
-  public function getContent() {
-    $nb_aff = $this->preferences['nb_aff'] ?? 0;
-    $nb_aff = is_numeric($nb_aff)
-      ? $nb_aff
-      : $this->_getDefaultPreference('nb_aff');
+  protected function _getIntPreference(string $name) : int{
+    $value = $this->preferences[$name] ?? 0;
+
+    return (int)( $value && is_numeric($value)
+                  ? $value
+                  : $this->_getDefaultPreference($name));
+  }
 
-    $nb_aff = (int) $nb_aff;
 
+  public function getContent() {
+    $nb_aff= $this->_getIntPreference('nb_aff');
     $pagination = $this->preferences['pagination']
       ? $this->preferences['pagination']
       : $this->_getDefaultPreference('pagination');