Add strict types for bookmarks management

Parameters typing and using strict types overall increase the codebase
quality by enforcing the a given parameter will have the expected type.

It also removes the need to unnecessary unit tests checking methods
behavior with invalid input.

1 files changed, 1 insertions, 1 deletions

diff --git a/application/security/LoginManager.php b/application/security/LoginManager.php
index d74c3118..65048f10 100644
--- a/application/security/LoginManager.php
+++ b/application/security/LoginManager.php
@@ -118,7 +118,7 @@ class LoginManager
      *
      * @return true when the user is logged in, false otherwise
      */
-    public function isLoggedIn()
+    public function isLoggedIn(): bool
     {
         if ($this->openShaarli) {
             return true;