diff --git a/app/class/Controllerpage.php b/app/class/Controllerpage.php
index 2584f26f..85b681a3 100644
--- a/app/class/Controllerpage.php
+++ b/app/class/Controllerpage.php
@@ -8,9 +8,8 @@
 
 class Controllerpage extends Controller
 {
-    /** @var Page */
-    protected $page;
-    protected $mediamanager;
+    protected Page $page;
+    protected Modelmedia $mediamanager;
 
     public function __construct($router)
     {
@@ -19,7 +18,7 @@ public function __construct($router)
         $this->mediamanager = new Modelmedia();
     }
 
-    public function setpage(string $id, string $route)
+    protected function setpage(string $id, string $route): void
     {
         $cleanid = Model::idclean($id);
         if ($cleanid !== $id) {
@@ -38,7 +37,7 @@ public function setpage(string $id, string $route)
      *
      * @return bool                         If a page is found and stored in `$this->page`
      */
-    public function importpage(): bool
+    protected function importpage(): bool
     {
         try {
             if (isset($_SESSION['pageupdate']['id']) && $_SESSION['pageupdate']['id'] == $this->page->id()) {
@@ -61,7 +60,7 @@ public function importpage(): bool
      * @param string $route direction to redirect after the connection form
      * @return void
      */
-    public function pageconnect(string $route)
+    protected function pageconnect(string $route): void
     {
         if ($this->user->isvisitor()) {
             http_response_code(401);
@@ -70,7 +69,7 @@ public function pageconnect(string $route)
         }
     }
 
-    public function render($page)
+    public function render(string $page): void
     {
         $this->setpage($page, 'pageupdate');
 
@@ -88,7 +87,7 @@ public function render($page)
      *
      * @param string[] $relatedpages        List of page ids
      */
-    public function deletelinktocache(array $relatedpages): void
+    protected function deletelinktocache(array $relatedpages): void
     {
         foreach ($relatedpages as $pageid) {
             try {
@@ -106,7 +105,7 @@ public function deletelinktocache(array $relatedpages): void
      *
      * @todo Move this function in Modelpage
      */
-    private function templaterender(Page $page)
+    private function templaterender(Page $page): void
     {
         try {
             $templates = $this->pagemanager->getpagecsstemplates($page);
@@ -135,11 +134,10 @@ private function templaterender(Page $page)
     /**
      * @param string $page page ID
      */
-    public function read($page)
+    public function read(string $page): void
     {
         $this->setpage($page, 'pageread');
         $filedir = Model::HTML_RENDER_DIR . $page . '.html';
-        $reccursiverender = false;
 
         if (!$this->importpage()) {
             http_response_code(404);
@@ -222,7 +220,7 @@ public function read($page)
         $this->pagemanager->update($this->page);
     }
 
-    public function edit($page)
+    public function edit(string $page): void
     {
         $this->setpage($page, 'pageedit');
 
@@ -256,7 +254,10 @@ public function edit($page)
         }
     }
 
-    public function log($page)
+    /**
+     * Print page's datas. Used for debug. Kind of obscure nowdays.
+     */
+    public function log($page): void
     {
         if ($this->user->issupereditor()) {
             $this->setpage($page, 'pagelog');
@@ -269,7 +270,7 @@ public function log($page)
         }
     }
 
-    public function add($page)
+    public function add(string $page): void
     {
         $this->setpage($page, 'pageadd');
 
@@ -290,7 +291,7 @@ public function add($page)
         }
     }
 
-    public function addascopy(string $page, string $copy)
+    public function addascopy(string $page, string $copy): void
     {
         $page = Model::idclean($page);
         if ($this->copy($copy, $page)) {
@@ -334,7 +335,7 @@ public function download($page)
     /**
      * Import page and save it into the database
      */
-    public function upload()
+    public function upload(): void
     {
         $page = $this->pagemanager->getfromfile();
 
@@ -366,7 +367,7 @@ public function upload()
         $this->routedirect('home');
     }
 
-    public function logout(string $page)
+    public function logout(string $page): void
     {
         if (!$this->user->isvisitor()) {
             $this->disconnect();
@@ -376,7 +377,7 @@ public function logout(string $page)
         }
     }
 
-    public function login(string $page)
+    public function login(string $page): void
     {
         if ($this->user->isvisitor()) {
             $this->showtemplate('connect', ['id' => $page, 'route' => 'pageread']);
@@ -385,7 +386,7 @@ public function login(string $page)
         }
     }
 
-    public function delete($page)
+    public function delete(string $page): void
     {
         $this->setpage($page, 'pagecdelete');
         if ($this->importpage() && $this->candelete($this->page)) {
@@ -402,7 +403,7 @@ public function delete($page)
         }
     }
 
-    public function confirmdelete($page)
+    public function confirmdelete(string $page): void
     {
         $this->setpage($page, 'pageconfirmdelete');
         if ($this->user->iseditor() && $this->importpage()) {
@@ -414,7 +415,7 @@ public function confirmdelete($page)
         }
     }
 
-    public function duplicate(string $page, string $duplicate)
+    public function duplicate(string $page, string $duplicate): void
     {
         $duplicate = Model::idclean($duplicate);
         if ($this->copy($page, $duplicate)) {
@@ -430,7 +431,7 @@ public function duplicate(string $page, string $duplicate)
      * @param string $srcid Source page ID
      * @param string $targetid Target page ID
      */
-    public function copy(string $srcid, string $targetid)
+    protected function copy(string $srcid, string $targetid): bool
     {
         if ($this->user->iseditor()) {
             try {
@@ -451,7 +452,7 @@ public function copy(string $srcid, string $targetid)
         return false;
     }
 
-    public function update($page)
+    public function update(string $page): void
     {
         $this->setpage($page, 'pageupdate');
 
@@ -482,20 +483,13 @@ public function update($page)
         $this->routedirect('pageedit', ['page' => $this->page->id()]);
     }
 
-    /**
-     * Temporary redirection to a page.
-     * Send a `302` HTTP code.
-     */
-    public function pagedirect($page): void
-    {
-        $this->routedirect('pageread', ['page' => Model::idclean($page)]);
-    }
-
     /**
      * Permanent redirection to a page.
      * Send a `301` HTTP code.
+     *
+     * Used only with Route `pageread/` redirecting to `pageread`
      */
-    public function pagepermanentredirect($page): void
+    public function pagepermanentredirect(string $page): void
     {
         $path = $this->generate('pageread', ['page' => Model::idclean($page)]);
         header("Location: $path", true, 301);
@@ -506,7 +500,7 @@ public function pagepermanentredirect($page): void
      *
      * @todo use a dedicated view and suggest a list of W URL based command.
      */
-    public function commandnotfound($page, $command): void
+    public function commandnotfound(string $page, string $command): void
     {
         http_response_code(404);
         $this->showtemplate('alertcommandnotfound', ['command' => $command, 'id' => strip_tags($page)]);
diff --git a/app/class/Element.php b/app/class/Element.php
index fc84fba6..b621bb80 100644
--- a/app/class/Element.php
+++ b/app/class/Element.php
@@ -17,14 +17,14 @@ abstract class Element extends Item
     protected $headerid = '1-6';
     /** @var bool default value is set in Config class */
     protected bool $urllinker;
-    protected int $headeranchor = self::NOHEADERANCHOR;
+    protected int $headeranchor = self::NO_HEADER_ANCHOR;
 
 
-    public const NOHEADERANCHOR = 0;
-    public const HEADERANCHORLINK = 1;
-    public const HEADERANCHORHASH = 2;
-    public const HEADERANCHORMODES = [
-        self::NOHEADERANCHOR, self::HEADERANCHORLINK, self::HEADERANCHORHASH
+    public const NO_HEADER_ANCHOR = 0;
+    public const HEADER_ANCHOR_LINK = 1;
+    public const HEADER_ANCHOR_HASH = 2;
+    public const HEADER_ANCHOR_MODES = [
+        self::NO_HEADER_ANCHOR, self::HEADER_ANCHOR_LINK, self::HEADER_ANCHOR_HASH
     ];
 
     // ______________________________________________ F U N ________________________________________________________
@@ -140,7 +140,7 @@ public function setheaderid(string $headerid)
 
     public function setheaderanchor($headeranchor)
     {
-        if (in_array($headeranchor, self::HEADERANCHORMODES)) {
+        if (in_array($headeranchor, self::HEADER_ANCHOR_MODES)) {
             $this->headeranchor = (int) $headeranchor;
         }
     }
diff --git a/app/class/Font.php b/app/class/Font.php
index 676db941..b19c1b08 100644
--- a/app/class/Font.php
+++ b/app/class/Font.php
@@ -17,7 +17,7 @@ class Font
     protected ?string $weight = null;
     protected ?string $stretch = null;
 
-    /** @var Media[] $media */
+    /** @var Media[] $medias */
     protected array $medias;
 
     public const STYLE = "style";
diff --git a/app/class/Modelbookmark.php b/app/class/Modelbookmark.php
index 0f5833c4..96946455 100644
--- a/app/class/Modelbookmark.php
+++ b/app/class/Modelbookmark.php
@@ -128,7 +128,7 @@ public function exist($id): bool
      * @throws Databaseexception            When ID is invalid, already exist or creation failed
      * @throws Notfoundexception            If personnal bookmark User does not exist
      */
-    public function add(Bookmark $bookmark)
+    public function add(Bookmark $bookmark): void
     {
         if (empty($bookmark->id())) {
             $id = $bookmark->id();
diff --git a/app/class/Modelconnect.php b/app/class/Modelconnect.php
index 3494d1ba..cffe87e5 100644
--- a/app/class/Modelconnect.php
+++ b/app/class/Modelconnect.php
@@ -14,7 +14,7 @@ class Modelconnect extends Model
      * @param int $conservation
      * @throws RuntimeException if secret key is not set or cant send cookie
      */
-    public function createauthcookie(string $userid, string $wsession, int $conservation)
+    public function createauthcookie(string $userid, string $wsession, int $conservation): void
     {
         $datas = [
             "userid" => $userid,
@@ -40,7 +40,7 @@ public function createauthcookie(string $userid, string $wsession, int $conserva
 
     /**
      * Get decoded cookie using JWT
-     * @return array                        Associative array containing JWT token's datas
+     * @return string[]                     Associative array containing JWT token's datas
      * @throws RuntimeException             If JWT token decode failed or auth cookie is unset
      */
     public function checkcookie(): array
diff --git a/app/class/Modeldb.php b/app/class/Modeldb.php
index 51413494..a8c22998 100644
--- a/app/class/Modeldb.php
+++ b/app/class/Modeldb.php
@@ -3,7 +3,7 @@
 namespace Wcms;
 
 use InvalidArgumentException;
-use JamesMoss\Flywheel;
+use JamesMoss\Flywheel\Config;
 use JamesMoss\Flywheel\DocumentInterface;
 use JamesMoss\Flywheel\Document;
 use RuntimeException;
@@ -13,9 +13,9 @@
 
 class Modeldb extends Model
 {
-    protected $database;
+    protected Config $database;
     /** @var Repository */
-    protected $repo;
+    protected Repository $repo;
 
     /**
      * Minimal disk space needed to authorize database writing.
@@ -76,14 +76,24 @@ protected function updatedoc(DocumentInterface $document): bool
         return $this->repo->update($document);
     }
 
-    protected function dbinit($dir = Model::DATABASE_DIR)
+    /**
+     * Init database config
+     *
+     * @param string $dir                   Directory where repo is stored.
+     */
+    protected function dbinit(string $dir = Model::DATABASE_DIR): void
     {
-        $this->database = new Flywheel\Config($dir, [
+        $this->database = new Config($dir, [
             'query_class' => Query::class,
             'formatter' => new JSON(),
         ]);
     }
 
+    /**
+     * Init store.
+     *
+     * @param string $repo                  Name of the repo
+     */
     protected function storeinit(string $repo): void
     {
         try {
diff --git a/app/class/Modelhome.php b/app/class/Modelhome.php
index 1b779f98..5e531d02 100644
--- a/app/class/Modelhome.php
+++ b/app/class/Modelhome.php
@@ -17,12 +17,12 @@ class Modelhome extends Model
     /**
      * Transform list of page into list of nodes and edges
      *
-     * @param array $pagelist associative array of pages as `id => Page`
+     * @param Page[] $pagelist associative array of pages as `id => Page`
      * @param string $layout
      * @param bool $showorphans if `false`, remove orphans pages
      * @param bool $showredirection if `true`, add redirections
      *
-     * @return array
+     * @return array[]
      */
     public function cytodata(
         array $pagelist,
@@ -100,11 +100,11 @@ public function cytodata(
     /**
      * Transform list of Pages into cytoscape nodes and edge datas
      *
-     * @param array $pagelist associative array of pages as `id => Page`
+     * @param Page[] $pagelist associative array of pages as `id => Page`
      * @param bool $showorphans if `false`, remove orphans pages
      * @param bool $showredirection if `true`, add redirections
      *
-     * @return array of cytoscape datas
+     * @return array[] of cytoscape datas
      */
     public function mapdata(array $pagelist, bool $showorphans = true, bool $showredirection = false): array
     {
diff --git a/app/class/Modelmedia.php b/app/class/Modelmedia.php
index 71409865..164fdbde 100644
--- a/app/class/Modelmedia.php
+++ b/app/class/Modelmedia.php
@@ -87,9 +87,9 @@ protected function getlistermedia(Mediaopt $mediaopt): array
     /**
      * Sort an array of media
      *
-     * @param array $medialist
+     * @param Media[] $medialist
      * @param string $sortby
-     * @param int $order Can be 1 or -1
+     * @param int $order                    Can be 1 or -1
      */
     protected function medialistsort(array &$medialist, string $sortby = 'id', int $order = 1): bool
     {
@@ -98,7 +98,7 @@ protected function medialistsort(array &$medialist, string $sortby = 'id', int $
         return usort($medialist, $this->buildsorter($sortby, $order));
     }
 
-    protected function buildsorter($sortby, $order)
+    protected function buildsorter(string $sortby, int $order): callable
     {
         return function ($media1, $media2) use ($sortby, $order) {
             $result = $this->mediacompare($media1, $media2, $sortby, $order);
@@ -106,7 +106,7 @@ protected function buildsorter($sortby, $order)
         };
     }
 
-    protected function mediacompare($media1, $media2, $method = 'filename', $order = 1)
+    protected function mediacompare(Media $media1, Media $media2, string $method = 'filename', int $order = 1)
     {
         $result = ($media1->$method() <=> $media2->$method());
         return $result * $order;
@@ -115,14 +115,19 @@ protected function mediacompare($media1, $media2, $method = 'filename', $order =
 
 
 
-
-    public function listfavicon()
+    /**
+     * @return string[]
+     */
+    public function listfavicon(): array
     {
         $faviconlist = $this->globlist(self::FAVICON_DIR, ['ico', 'png', 'jpg', 'jpeg', 'gif']);
         return $faviconlist;
     }
 
-    public function listthumbnail()
+    /**
+     * @return string[]
+     */
+    public function listthumbnail(): array
     {
         $faviconlist = $this->globlist(self::THUMBNAIL_DIR, ['ico', 'png', 'jpg', 'jpeg', 'gif']);
         return $faviconlist;
@@ -159,6 +164,8 @@ public function globlist(string $dir = '', array $extensions = []): array
 
     /**
      * Generate an recursive array where each folder is a array and containing a filecount in each folder
+     *
+     * @return array[]
      */
     public function listdir(string $dir): array
     {
@@ -182,7 +189,7 @@ public function listdir(string $dir): array
     /**
      * Analyse recursive array of content to generate list of path
      *
-     * @param array $dirlist Array generated by the listdir function
+     * @param array[] $dirlist Array generated by the listdir function
      * @param string $parent used to create the strings
      * @param array $pathlist used by reference, must be an empty array
      */
@@ -343,7 +350,7 @@ public function deletedir(string $dir): bool
     }
 
     /**
-     * Function do recursively delete a directory
+     * Function to recursively delete a directory
      */
     public function deltree(string $dir)
     {
@@ -375,6 +382,7 @@ public function multifiledelete(array $files): int
                     Fs::deletefile($filedir);
                     $counter++;
                 } catch (Filesystemexception $e) {
+                    Logger::errorex($e);
                 }
             } else {
                 throw new InvalidArgumentException('$files argument should be an array containing strings');
@@ -433,6 +441,8 @@ public function multimovefile(array $filedirlist, string $dir): bool
      * @param string $newname
      *
      * @throws Filesystemexception          if cant access file
+     *
+     * @todo Use a Media as input
      */
     public function rename(string $oldname, string $newname)
     {
@@ -463,7 +473,7 @@ public function rename(string $oldname, string $newname)
      *
      * @return Media                        Converted Media object
      *
-     * @throws RuntimeException             If imagick is not installed
+     * @throws RuntimeException             If nor imagick or is installed
      * @throws ImagickException             If an error occured during IM process
      * @throws Filesystemexception          If deleting the original media failed, or if file creation failed.
      */
diff --git a/app/class/Modelpage.php b/app/class/Modelpage.php
index 06d13e4b..2daa1c04 100644
--- a/app/class/Modelpage.php
+++ b/app/class/Modelpage.php
@@ -21,7 +21,8 @@ class Modelpage extends Modeldb
         2 => 'not_published'
     ];
 
-    protected $pagelist = [];
+    /** @var Page[] $pagelist */
+    protected array $pagelist = [];
 
     public function __construct(string $pagetable, string $pagedir = self::PAGES_DIR)
     {
@@ -291,7 +292,7 @@ public function delete(Page $page): bool
      *
      * @throws Filesystemexception          If a file deletion failure occurs
      */
-    public function unlink(string $pageid)
+    public function unlink(string $pageid): void
     {
         $files = ['.css', '.quick.css', '.js'];
         foreach ($files as $file) {
@@ -345,14 +346,14 @@ public function update(Page $page)
      * Edit a page based on meta infos
      *
      * @param string $pageid
-     * @param array $datas
-     * @param array $reset
+     * @param mixed[] $datas
+     * @param string[] $reset
      * @param string $addtag
      * @param string $addauthor
      *
      * @throws RuntimeException             When page is not found in the database or update failed
      */
-    public function pageedit(string $pageid, array $datas, array $reset, string $addtag, string $addauthor)
+    public function pageedit(string $pageid, array $datas, array $reset, string $addtag, string $addauthor): void
     {
         $page = $this->get($pageid);
         $page = $this->reset($page, $reset);
@@ -368,11 +369,11 @@ public function pageedit(string $pageid, array $datas, array $reset, string $add
      * Reset values of a page
      *
      * @param Page $page                    Page object to be reseted
-     * @param array $reset                  List of parameters needing reset
+     * @param string[] $reset                  List of parameters needing reset
      *
      * @return Page                         The reseted page object
      */
-    public function reset(Page $page, array $reset): Page
+    protected function reset(Page $page, array $reset): Page
     {
         $now = new DateTimeImmutable("now", timezone_open("Europe/Paris"));
         if (boolval($reset['tag'])) {
@@ -490,7 +491,7 @@ public function renderpage(Page $page, AltoRouter $router): Page
      * @param Opt $opt
      *
      * @param string $regex                 Regex to match.
-     * @param array $searchopt              Option search, could be `content` `title` `description`.
+     * @param string[] $searchopt              Option search, could be `content` `title` `description`.
      *
      * @return Page[]                       associative array of `Page` objects
      */
@@ -563,14 +564,16 @@ protected function sort(array $pagelist, Opt $opt): array
         return $pagelist;
     }
 
-
-    protected function pagecompare($page1, $page2, $method = 'id', $order = 1)
+    /**
+     * @todo It can go in great-parent class Model to be used as well by Modelmedia. Using Item instead of Page
+     */
+    protected function pagecompare(Page $page1, Page $page2, $method = 'id', $order = 1): int
     {
         $result = ($page1->$method('sort') <=> $page2->$method('sort'));
         return $result * $order;
     }
 
-    protected function buildsorter($sortby, $order)
+    protected function buildsorter(string $sortby, int $order): callable
     {
         return function ($page1, $page2) use ($sortby, $order) {
             $result = $this->pagecompare($page1, $page2, $sortby, $order);
@@ -579,8 +582,12 @@ protected function buildsorter($sortby, $order)
     }
 
 
-
-    protected function pagelistsort(&$pagelist, $sortby, $order = 1)
+    /**
+     * @param Page[] $pagelist
+     *
+     * @todo remove this method and put the content inside sort() method
+     */
+    protected function pagelistsort(array &$pagelist, string $sortby, $order = 1): bool
     {
         return uasort($pagelist, $this->buildsorter($sortby, $order));
     }
@@ -729,7 +736,7 @@ protected function fgeo(Page $page, bool $geo)
         }
     }
 
-    protected function fversion(Page $page, int $version)
+    protected function fversion(Page $page, int $version): bool
     {
         if ($version === 0) {
             return true;
@@ -746,7 +753,7 @@ protected function fversion(Page $page, int $version)
      * @param string $regex                 Regex to match.
      * @param string[] $options             Option search, could be `content` `title` `description`.
      *
-     * @return array associative array of `Page` objects
+     * @return Page[] associative array of `Page` objects
      */
     protected function deepsearch(array $pagelist, string $regex, array $options): array
     {
diff --git a/app/class/Servicerender.php b/app/class/Servicerender.php
index c377a038..585bf1fd 100644
--- a/app/class/Servicerender.php
+++ b/app/class/Servicerender.php
@@ -531,11 +531,11 @@ function ($matches) use ($element, $anchormode) {
                 }
                 $this->sum[$element][] = new Header($id, intval($level), $content);
                 switch ($anchormode) {
-                    case Element::HEADERANCHORLINK:
+                    case Element::HEADER_ANCHOR_LINK:
                         $content = "<a href=\"#$id\">$content</a>";
                         break;
 
-                    case Element::HEADERANCHORHASH:
+                    case Element::HEADER_ANCHOR_HASH:
                         $content .= "<span class=\"nbsp\">&nbsp;</span><a class=\"headerlink\" href=\"#$id\">#</a>";
                         break;
                 }
diff --git a/app/class/User.php b/app/class/User.php
index aeb5499f..34478c87 100644
--- a/app/class/User.php
+++ b/app/class/User.php
@@ -8,17 +8,17 @@
 
 class User extends Item
 {
-    protected $id = '';
-    protected $level = 0;
-    protected $signature = '';
-    protected $password;
-    protected $passwordhashed = false;
+    protected string $id = '';
+    protected int $level = 0;
+    protected string $signature = '';
+    protected ?string $password;
+    protected bool $passwordhashed = false;
 
     /** @var string $name Displayed name */
-    protected string $name = "";
+    protected string $name = '';
 
     /** @var string $url Account associated URL */
-    protected string $url = "";
+    protected string $url = '';
 
     /** @var int $cookie Conservation time */
     protected int $cookie = 30;
@@ -29,15 +29,16 @@ class User extends Item
     /** @var int $connectcount Connections counter */
     protected int $connectcount = 0;
 
-    protected $expiredate = false;
+    /** @var DateTimeImmutable|false $expiredate */
+    protected mixed $expiredate = false;
 
-    /** @var array sessions */
+    /** @var string[] sessions */
     protected array $sessions = [];
 
     /** @var bool[] $display interface display options */
     protected array $display = ['bookmark' => false];
 
-    public const COLUMNS = [
+    public const HOME_COLUMNS = [
         'favicon',
         'download',
         'tag',
@@ -59,9 +60,7 @@ class User extends Item
 
     public function __construct($datas = [])
     {
-        if (!empty($datas)) {
-            $this->hydrate($datas);
-        }
+        $this->hydrate($datas);
     }
 
     // _________________________ G E T _______________________
@@ -234,7 +233,7 @@ public function setcookie($cookie)
     public function setcolumns($columns)
     {
         if (is_array($columns)) {
-            $columns = array_filter(array_intersect(array_unique($columns), self::COLUMNS));
+            $columns = array_filter(array_intersect(array_unique($columns), self::HOME_COLUMNS));
             $this->columns = $columns;
         }
     }
@@ -364,7 +363,7 @@ public function checksession(string $session): bool
      */
     public function checkedcolumns(): array
     {
-        foreach (self::COLUMNS as $col) {
+        foreach (self::HOME_COLUMNS as $col) {
             $checkedcolumns[$col] = in_array($col, $this->columns);
         }
         return $checkedcolumns;
diff --git a/app/class/Workspace.php b/app/class/Workspace.php
index fc2f1d94..d5c9d76b 100644
--- a/app/class/Workspace.php
+++ b/app/class/Workspace.php
@@ -23,6 +23,9 @@ class Workspace extends Item
     public const THEME_NONE = 'none';
     public const THEMES = [self::THEME_DEFAULT, self::THEME_MONOKAI, self::THEME_NONE];
 
+    /**
+     * @param mixed[] $datas
+     */
     public function __construct(array $datas)
     {
         $this->hydrate($datas);
@@ -58,22 +61,22 @@ public function highlighttheme(): string
         return $this->highlighttheme;
     }
 
-    public function setshoweditorleftpanel($show)
+    public function setshoweditorleftpanel(mixed $show): void
     {
         $this->showeditorleftpanel = boolval($show);
     }
 
-    public function setshoweditorrightpanel($show)
+    public function setshoweditorrightpanel(mixed $show): void
     {
         $this->showeditorrightpanel = boolval($show);
     }
 
-    public function setshoweoptionspanel($show)
+    public function setshoweoptionspanel(mixed $show): void
     {
         $this->showeoptionspanel = boolval($show);
     }
 
-    public function setfontsize($fontsize)
+    public function setfontsize(mixed $fontsize): void
     {
         $fontsize = intval($fontsize);
         if ($fontsize >= self::FONTSIZE_MIN && $fontsize <= self::FONTSIZE_MAX) {
@@ -81,14 +84,14 @@ public function setfontsize($fontsize)
         }
     }
 
-    public function setmediadisplay($mediadisplay)
+    public function setmediadisplay(string $mediadisplay): void
     {
         if (in_array($mediadisplay, self::MEDIA_DISPLAY)) {
             $this->mediadisplay = $mediadisplay;
         }
     }
 
-    public function sethighlighttheme(string $theme)
+    public function sethighlighttheme(string $theme): void
     {
         if (in_array($theme, self::THEMES)) {
             $this->highlighttheme = $theme;
diff --git a/app/fn/fn.php b/app/fn/fn.php
index 1fbd6caa..3c4eea4d 100644
--- a/app/fn/fn.php
+++ b/app/fn/fn.php
@@ -2,7 +2,7 @@
 
 use Wcms\Exception\Filesystemexception\Folderexception;
 
-function readablesize($bytes, $base = 2 ** 10)
+function readablesize(float $bytes, int $base = 2 ** 10): string
 {
     $format = '%d&nbsp;%s';
 
@@ -30,11 +30,13 @@ function readablesize($bytes, $base = 2 ** 10)
     return sprintf($format, $num, $unit);
 }
 
-/* human readable date interval
- * @param DateInterval $diff - l'interval de temps
+/**
+ * Human readable date interval
+ *
+ * @param DateInterval $diff
  * @return string
  */
-function hrdi(DateInterval $diff)
+function hrdi(DateInterval $diff): string
 {
     $str = "";
     if ($diff->y > 1) {
@@ -70,22 +72,10 @@ function hrdi(DateInterval $diff)
     return $str . ' a few secondes';
 }
 
-
-
-function arrayclean($input)
-{
-    $output = [];
-    foreach ($input as $key => $value) {
-        if (is_array($value)) {
-            $output[$key] = array_filter($value);
-        } else {
-            $output[$key] = $value;
-        }
-    }
-    return $output;
-}
-
-function isreportingerrors()
+/**
+ * Check if Sentry service is enabled
+ */
+function isreportingerrors(): bool
 {
     return function_exists('Sentry\init') && !empty(Wcms\Config::sentrydsn());
 }
@@ -105,58 +95,12 @@ function getversion(): string
     return $version;
 }
 
-
-
-function array_update($base, $new)
-{
-    foreach ($base as $key => $value) {
-        if (array_key_exists($key, $new)) {
-            if (gettype($base[$key]) == gettype($new[$key])) {
-                $base[$key] = $new[$key];
-            }
-        }
-    }
-    return $base;
-}
-
-function contains($needle, $haystack)
-{
-    return strpos($haystack, $needle) !== false;
-}
-
-
-function str_clean(string $string)
-{
-    return str_replace(' ', '_', strtolower(strip_tags($string)));
-}
-
-
-
-
-function changekey($array, $oldkey, $newkey)
-{
-    if (!array_key_exists($oldkey, $array)) {
-        return $array;
-    }
-
-    $keys = array_keys($array);
-    $keys[array_search($oldkey, $keys)] = $newkey;
-
-    return array_combine($keys, $array);
-}
-
-function findsize($file)
-{
-    if (mb_substr(PHP_OS, 0, 3) == "WIN") {
-        exec('for %I in ("' . $file . '") do @echo %~zI', $output);
-        $return = $output[0];
-    } else {
-        $return = filesize($file);
-    }
-    return $return;
-}
-
-function array_diff_assoc_recursive($array1, $array2)
+/**
+ * @param mixed[] $array1
+ * @param mixed[] $array2
+ * @return mixed[]
+ */
+function array_diff_assoc_recursive(array $array1, array $array2): array
 {
     $difference = array();
     foreach ($array1 as $key => $value) {
@@ -179,9 +123,11 @@ function array_diff_assoc_recursive($array1, $array2)
 
 
 /**
- * Generate a clickable folder tree based on reccurive array
+ * Print a clickable folder tree based on reccurive array
+ *
+ * @param mixed[] $dirlist
  */
-function basictree(array $dirlist, string $dirname, int $deepness, string $path, string $currentdir)
+function basictree(array $dirlist, string $dirname, int $deepness, string $path, string $currentdir): void
 {
 
     if ($path === $currentdir) {
@@ -211,7 +157,13 @@ function basictree(array $dirlist, string $dirname, int $deepness, string $path,
     }
 }
 
-function checkboxes(string $name, array $optionlist = [], array $checkedlist = [])
+/**
+ * Generate a HTML list of checkboxes that have the same name and use array storing
+ *
+ * @param string[] $optionlist              checkbox values
+ * @param string[] $checkedlist             checkboxes that are checked
+ */
+function checkboxes(string $name, array $optionlist = [], array $checkedlist = []): string
 {
     $checkboxes = '';
     foreach ($optionlist as $option) {
@@ -228,11 +180,11 @@ function checkboxes(string $name, array $optionlist = [], array $checkedlist = [
 /**
  * Generate a list of <options> html drop down list
  *
- * @param array $options as `value => title`
- * @param string|int $selected value of actualy selected option
- * @param bool $simple Use title as value. Default : false
+ * @param string[] $options                 as `value => title`
+ * @param string|int $selected              value of currently selected option
+ * @param bool $simple                      Use title as value. Default : `false`
  *
- * @return string HTML list of options
+ * @return string                           HTML list of options
  */
 function options(array $options, $selected = null, $simple = false): string
 {
@@ -263,7 +215,7 @@ function secrethash(string $token): string
 
 // Returns a file size limit in bytes based on the PHP upload_max_filesize
 // and post_max_size
-function file_upload_max_size()
+function file_upload_max_size(): float
 {
     static $max_size = -1;
 
@@ -284,7 +236,7 @@ function file_upload_max_size()
     return $max_size;
 }
 
-function parse_size($size)
+function parse_size(string $size): float
 {
     $unit = preg_replace('/[^bkmgtpezy]/i', '', $size); // Remove the non-unit characters from the size.
     $size = preg_replace('/[^0-9\.]/', '', $size); // Remove the non-numeric characters from the size.
@@ -317,9 +269,10 @@ function randombytes(int $seed): string
 
 /**
  * @param string $url
+ * @return string output data
+ *
  * @throws ErrorException if Curl is not installed
  * @throws RuntimeException if curl_exec fail
- * @return string output data
  */
 function curl_download(string $url): string
 {
diff --git a/app/view/templates/homemenu.php b/app/view/templates/homemenu.php
index 9589c6b7..6ba50cc6 100644
--- a/app/view/templates/homemenu.php
+++ b/app/view/templates/homemenu.php
@@ -433,7 +433,7 @@
                         <label for="col_id">id</label>
                     </li>
                 <?php
-                foreach (Wcms\User::COLUMNS as $col) {
+                foreach (Wcms\User::HOME_COLUMNS as $col) {
                     $name = Wcms\Model::METADATAS_NAMES[$col];
                     ?>
                     <li>
diff --git a/tests/Servicerenderv1Test.php b/tests/Servicerenderv1Test.php
index c7cea782..08d67cb8 100644
--- a/tests/Servicerenderv1Test.php
+++ b/tests/Servicerenderv1Test.php
@@ -69,6 +69,9 @@ public function renderTestCommon(string $name): void
         $this->renderTest($name);
     }
 
+    /**
+     * @return array[]
+     */
     public function renderProvider(): array
     {
         return [
diff --git a/tests/Servicerenderv2Test.php b/tests/Servicerenderv2Test.php
index e3292b25..4aaef438 100644
--- a/tests/Servicerenderv2Test.php
+++ b/tests/Servicerenderv2Test.php
@@ -69,6 +69,9 @@ public function renderTestCommon(string $name): void
         $this->renderTest($name);
     }
 
+    /**
+     * @return array[]
+     */
     public function renderProvider(): array
     {
         return [
diff --git a/tests/SummaryTest.php b/tests/SummaryTest.php
index a2ae84c6..dd52aff4 100644
--- a/tests/SummaryTest.php
+++ b/tests/SummaryTest.php
@@ -18,6 +18,9 @@ public function sumparserTest(array $options, string $expected): void
         $this->assertEquals($expected, $summary->sumparser());
     }
 
+    /**
+     * @return array[]
+     */
     public function sumparserProvider(): array
     {
         return [