diff --git a/_prepend.php b/_prepend.php
deleted file mode 100644
index ba52679..0000000
--- a/_prepend.php
+++ /dev/null
@@ -1,17 +0,0 @@
-<?php
-/**
- * @brief alias, a plugin for Dotclear 2
- *
- * @package Dotclear
- * @subpackage Plugin
- *
- * @author Olivier Meunier and contributors
- *
- * @copyright Jean-Christian Denis
- * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
- */
-if (!defined('DC_RC_PATH')) {
-    return null;
-}
-
-Clearbricks::lib()->autoload(['dcAliases' => __DIR__ . '/inc/class.dc.aliases.php']);
diff --git a/src/Alias.php b/src/Alias.php
index fc727a6..83feeb6 100644
--- a/src/Alias.php
+++ b/src/Alias.php
@@ -10,27 +10,30 @@
  * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-if (!defined('DC_RC_PATH')) {
-    return null;
-}
+declare(strict_types=1);
 
-class dcAliases
+namespace Dotclear\Plugin\alias;
+
+use dcCore;
+use Exception;
+
+class Alias
 {
-    protected $aliases;
+    protected array $aliases;
 
     public function __construct()
     {
     }
 
-    public function getAliases()
+    public function getAliases(): array
     {
-        if (is_array($this->aliases)) {
+        if (!empty($this->aliases)) {
             return $this->aliases;
         }
 
         $this->aliases = [];
         $sql           = 'SELECT alias_url, alias_destination, alias_position ' .
-                'FROM ' . dcCore::app()->prefix . initAlias::ALIAS_TABLE_NAME . ' ' .
+                'FROM ' . dcCore::app()->prefix . My::ALIAS_TABLE_NAME . ' ' .
                 "WHERE blog_id = '" . dcCore::app()->con->escapeStr((string) dcCore::app()->blog->id) . "' " .
                 'ORDER BY alias_position ASC ';
         $this->aliases = dcCore::app()->con->select($sql)->rows();
@@ -38,9 +41,9 @@ class dcAliases
         return $this->aliases;
     }
 
-    public function updateAliases($aliases)
+    public function updateAliases(array $aliases): void
     {
-        usort($aliases, [$this,'sortCallback']);
+        usort($aliases, fn ($a, $b) => (int) $a['alias_position'] <=> (int) $b['alias_position']);
         foreach ($aliases as $v) {
             if (!isset($v['alias_url']) || !isset($v['alias_destination'])) {
                 throw new Exception(__('Invalid aliases definitions'));
@@ -65,7 +68,7 @@ class dcAliases
         }
     }
 
-    public function createAlias($url, $destination, $position)
+    public function createAlias(string $url, string $destination, int $position): void
     {
         if (!$url) {
             throw new Exception(__('Alias URL is empty.'));
@@ -75,37 +78,28 @@ class dcAliases
             throw new Exception(__('Alias destination is empty.'));
         }
 
-        $cur                    = dcCore::app()->con->openCursor(dcCore::app()->prefix . initAlias::ALIAS_TABLE_NAME);
-        $cur->blog_id           = (string) dcCore::app()->blog->id;
-        $cur->alias_url         = (string) $url;
-        $cur->alias_destination = (string) $destination;
-        $cur->alias_position    = abs((int) $position);
+        $cur = dcCore::app()->con->openCursor(dcCore::app()->prefix . My::ALIAS_TABLE_NAME);
+        $cur->setField('blog_id', (string) dcCore::app()->blog->id);
+        $cur->setField('alias_url', (string) $url);
+        $cur->setField('alias_destination', (string) $destination);
+        $cur->setField('alias_position', abs((int) $position));
         $cur->insert();
     }
 
-    public function deleteAlias($url)
+    public function deleteAlias(string $url): void
     {
         dcCore::app()->con->execute(
-            'DELETE FROM ' . dcCore::app()->prefix . initAlias::ALIAS_TABLE_NAME . ' ' .
+            'DELETE FROM ' . dcCore::app()->prefix . My::ALIAS_TABLE_NAME . ' ' .
             "WHERE blog_id = '" . dcCore::app()->con->escapeStr((string) dcCore::app()->blog->id) . "' " .
             "AND alias_url = '" . dcCore::app()->con->escapeStr((string) $url) . "' "
         );
     }
 
-    public function deleteAliases()
+    public function deleteAliases(): void
     {
         dcCore::app()->con->execute(
-            'DELETE FROM ' . dcCore::app()->prefix . initAlias::ALIAS_TABLE_NAME . ' ' .
+            'DELETE FROM ' . dcCore::app()->prefix . My::ALIAS_TABLE_NAME . ' ' .
             "WHERE blog_id = '" . dcCore::app()->con->escapeStr((string) dcCore::app()->blog->id) . "' "
         );
     }
-
-    protected function sortCallback($a, $b)
-    {
-        if ($a['alias_position'] == $b['alias_position']) {
-            return 0;
-        }
-
-        return $a['alias_position'] < $b['alias_position'] ? -1 : 1;
-    }
 }
diff --git a/src/Backend.php b/src/Backend.php
index cd79b56..6636081 100644
--- a/src/Backend.php
+++ b/src/Backend.php
@@ -10,61 +10,87 @@
  * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-if (!defined('DC_CONTEXT_ADMIN')) {
-    return null;
+declare(strict_types=1);
+
+namespace Dotclear\Plugin\alias;
+
+use dcAdmin;
+use dcCore;
+use dcNsProcess;
+use dcPage;
+use Dotclear\Plugin\importExport\FlatBackupItem;
+use Dotclear\Plugin\importExport\FlatExport;
+use Dotclear\Plugin\importExport\FlatImportV2;
+
+class Backend extends dcNsProcess
+{
+    public static function init(): bool
+    {
+        static::$init = defined('DC_CONTEXT_ADMIN')
+            && dcCore::app()->auth->check(dcCore::app()->auth->makePermissions([
+                dcCore::app()->auth::PERMISSION_ADMIN,
+            ]), dcCore::app()->blog->id);
+
+        return static::$init;
+    }
+
+    public static function process(): bool
+    {
+        if (!static::$init) {
+            return false;
+        }
+
+        dcCore::app()->menu[dcAdmin::MENU_PLUGINS]->addItem(
+            My::name(),
+            dcCore::app()->adminurl->get('admin.plugin.' . My::id()),
+            dcPage::getPF(My::id() . '/icon.png'),
+            preg_match('/' . preg_quote(dcCore::app()->adminurl->get('admin.plugin.' . My::id())) . '(&.*)?$/', $_SERVER['REQUEST_URI']),
+            dcCore::app()->auth->check(dcCore::app()->auth->makePermissions([dcCore::app()->auth::PERMISSION_ADMIN]), dcCore::app()->blog->id)
+        );
+
+        dcCore::app()->addBehaviors([
+            'exportFullV2' => function (FlatExport $exp): void {
+                $exp->exportTable(My::ALIAS_TABLE_NAME);
+            },
+            'exportSingleV2' => function (FlatExport $exp, ?string $blog_id): void {
+                $exp->export(
+                    'alias',
+                    'SELECT alias_url, alias_destination, alias_position ' .
+                    'FROM ' . dcCore::app()->prefix . My::ALIAS_TABLE_NAME . ' A ' .
+                    "WHERE A.blog_id = '" . $blog_id . "'"
+                );
+            },
+            'importInitV2' => function (FlatImportV2 $bk): void {
+                $bk->cur_alias = dcCore::app()->con->openCursor(dcCore::app()->prefix . My::ALIAS_TABLE_NAME);
+                $bk->alias     = new Alias();
+                $bk->aliases   = $bk->alias->getAliases();
+            },
+            'importFullV2' => function (bool|FlatBackupItem $line, FlatImportV2 $bk): void {
+                if ($line->__name == My::ALIAS_TABLE_NAME) {
+                    $bk->cur_alias->clean();
+                    $bk->cur_alias->setField('blog_id', (string) $line->blog_id);
+                    $bk->cur_alias->setField('alias_url', (string) $line->alias_url);
+                    $bk->cur_alias->setField('alias_destination', (string) $line->alias_destination);
+                    $bk->cur_alias->setField('alias_position', (int) $line->alias_position);
+                    $bk->cur_alias->insert();
+                }
+            },
+            'importSingleV2' => function (bool|FlatBackupItem $line, FlatImportV2 $bk): void {
+                if ($line->__name == My::ALIAS_TABLE_NAME) {
+                    $found = false;
+                    foreach ($bk->aliases as $v) {
+                        if ($v['alias_url'] == $line->alias_url) {
+                            $found = true;
+                        }
+                    }
+                    if ($found) {
+                        $bk->alias->deleteAlias($line->alias_url);
+                    }
+                    $bk->alias->createAlias($line->alias_url, $line->alias_destination, $line->alias_position);
+                }
+            },
+        ]);
+
+        return true;
+    }
 }
-
-dcCore::app()->menu[dcAdmin::MENU_PLUGINS]->addItem(
-    __('Aliases'),
-    dcCore::app()->adminurl->get('admin.plugin.alias'),
-    dcPage::getPF('alias/icon.png'),
-    preg_match('/' . preg_quote(dcCore::app()->adminurl->get('admin.plugin.alias')) . '(&.*)?$/', $_SERVER['REQUEST_URI']),
-    dcCore::app()->auth->check(dcCore::app()->auth->makePermissions([dcAuth::PERMISSION_ADMIN]), dcCore::app()->blog->id)
-);
-
-dcCore::app()->addBehavior('exportFullV2', function ($exp) {
-    $exp->exportTable('alias');
-});
-
-dcCore::app()->addBehavior('exportSingleV2', function ($exp, $blog_id) {
-    $exp->export(
-        'alias',
-        'SELECT alias_url, alias_destination, alias_position ' .
-        'FROM ' . dcCore::app()->prefix . initAlias::ALIAS_TABLE_NAME . ' A ' .
-        "WHERE A.blog_id = '" . $blog_id . "'"
-    );
-});
-
-dcCore::app()->addBehavior('importInitV2', function ($bk) {
-    $bk->cur_alias = dcCore::app()->con->openCursor(dcCore::app()->prefix . initAlias::ALIAS_TABLE_NAME);
-    $bk->alias     = new dcAliases();
-    $bk->aliases   = $bk->alias->getAliases();
-});
-
-dcCore::app()->addBehavior('importFullV2', function ($line, $bk) {
-    if ($line->__name == 'alias') {
-        $bk->cur_alias->clean();
-
-        $bk->cur_alias->blog_id           = (string) $line->blog_id;
-        $bk->cur_alias->alias_url         = (string) $line->alias_url;
-        $bk->cur_alias->alias_destination = (string) $line->alias_destination;
-        $bk->cur_alias->alias_position    = (int) $line->alias_position;
-
-        $bk->cur_alias->insert();
-    }
-});
-
-dcCore::app()->addBehavior('importSingleV2', function ($line, $bk) {
-    if ($line->__name == 'alias') {
-        $found = false;
-        foreach ($bk->aliases as $v) {
-            if ($v['alias_url'] == $line->alias_url) {
-                $found = true;
-            }
-        }
-        if ($found) {
-            $bk->alias->deleteAlias($line->alias_url);
-        }
-        $bk->alias->createAlias($line->alias_url, $line->alias_destination, $line->alias_position);
-    }
-});
diff --git a/src/Frontend.php b/src/Frontend.php
index aad4bef..87970bd 100644
--- a/src/Frontend.php
+++ b/src/Frontend.php
@@ -10,33 +10,53 @@
  * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-if (!defined('DC_RC_PATH')) {
-    return null;
-}
+declare(strict_types=1);
 
-dcCore::app()->url->register('alias', '', '^(.*)$', function ($args) {
-    $o       = new dcAliases();
-    $aliases = $o->getAliases();
-    $part    = $args;
+namespace Dotclear\Plugin\alias;
 
-    foreach ($aliases as $v) {
-        if (@preg_match('#^/.*/$#', $v['alias_url']) && @preg_match($v['alias_url'], $args)) {
-            $part = preg_replace($v['alias_url'], $v['alias_destination'], $args);
+use dcCore;
+use dcNsProcess;
 
-            break;
-        } elseif ($v['alias_url'] == $args) {
-            $part = $v['alias_destination'];
+class Frontend extends dcNsProcess
+{
+    public static function init(): bool
+    {
+        static::$init = defined('DC_RC_PATH');
 
-            break;
+        return static::$init;
+    }
+
+    public static function process(): bool
+    {
+        if (!static::$init) {
+            return false;
         }
-    }
 
-    dcCore::app()->url->unregister('alias');
-    dcCore::app()->url->getArgs($part, $type, $args);
+        dcCore::app()->url->register('alias', '', '^(.*)$', function (string $args): void {
+            $part = $args;
 
-    if (!$type) {
-        dcCore::app()->url->callDefaultHandler($args);
-    } else {
-        dcCore::app()->url->callHandler($type, $args);
+            foreach ((new Alias())->getAliases() as $v) {
+                if (@preg_match('#^/.*/$#', $v['alias_url']) && @preg_match($v['alias_url'], $args)) {
+                    $part = preg_replace($v['alias_url'], $v['alias_destination'], $args);
+
+                    break;
+                } elseif ($v['alias_url'] == $args) {
+                    $part = $v['alias_destination'];
+
+                    break;
+                }
+            }
+
+            dcCore::app()->url->unregister('alias');
+            dcCore::app()->url->getArgs($part, $type, $args);
+
+            if (!$type) {
+                dcCore::app()->url->callDefaultHandler($args);
+            } else {
+                dcCore::app()->url->callHandler($type, $args);
+            }
+        });
+
+        return true;
     }
-});
+}
diff --git a/src/Install.php b/src/Install.php
index 96f5a30..4554525 100644
--- a/src/Install.php
+++ b/src/Install.php
@@ -10,39 +10,53 @@
  * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-if (!defined('DC_CONTEXT_ADMIN')) {
-    return null;
-}
+declare(strict_types=1);
 
-try {
-    if (!dcCore::app()->newVersion(
-        basename(__DIR__),
-        dcCore::app()->plugins->moduleInfo(basename(__DIR__), 'version')
-    )) {
-        return null;
+namespace Dotclear\Plugin\alias;
+
+use dbStruct;
+use dcCore;
+use dcNsProcess;
+use Exception;
+
+class Install extends dcNsProcess
+{
+    public static function init(): bool
+    {
+        static::$init = defined('DC_CONTEXT_ADMIN') && dcCore::app()->newVersion(My::id(), dcCore::app()->plugins->moduleInfo(My::id(), 'version'));
+
+        return static::$init;
     }
 
-    $s = new dbStruct(dcCore::app()->con, dcCore::app()->prefix);
-    $s->{initAlias::ALIAS_TABLE_NAME}
-        ->blog_id('varchar', 32, false)
-        ->alias_url('varchar', 255, false)
-        ->alias_destination('varchar', 255, false)
-        ->alias_position('smallint', 0, false, 1)
+    public static function process(): bool
+    {
+        if (!static::$init) {
+            return false;
+        }
 
-        ->primary('pk_alias', 'blog_id', 'alias_url')
+        try {
+            $s = new dbStruct(dcCore::app()->con, dcCore::app()->prefix);
+            $s->{My::ALIAS_TABLE_NAME}
+                ->blog_id('varchar', 32, false)
+                ->alias_url('varchar', 255, false)
+                ->alias_destination('varchar', 255, false)
+                ->alias_position('smallint', 0, false, 1)
 
-        ->index('idx_alias_blog_id', 'btree', 'blog_id')
-        ->index('idx_alias_blog_id_alias_position', 'btree', 'blog_id', 'alias_position')
+                ->primary('pk_alias', 'blog_id', 'alias_url')
 
-        ->reference('fk_alias_blog', 'blog_id', 'blog', 'blog_id', 'cascade', 'cascade')
-    ;
+                ->index('idx_alias_blog_id', 'btree', 'blog_id')
+                ->index('idx_alias_blog_id_alias_position', 'btree', 'blog_id', 'alias_position')
 
-    $si      = new dbStruct(dcCore::app()->con, dcCore::app()->prefix);
-    $changes = $si->synchronize($s);
+                ->reference('fk_alias_blog', 'blog_id', 'blog', 'blog_id', 'cascade', 'cascade')
+            ;
 
-    return true;
-} catch (Exception $e) {
-    dcCore::app()->error->add($e->getMessage());
+            (new dbStruct(dcCore::app()->con, dcCore::app()->prefix))->synchronize($s);
+
+            return true;
+        } catch (Exception $e) {
+            dcCore::app()->error->add($e->getMessage());
+
+            return false;
+        }
+    }
 }
-
-return false;
diff --git a/src/Manage.php b/src/Manage.php
index 98e4531..4d89e8c 100644
--- a/src/Manage.php
+++ b/src/Manage.php
@@ -10,122 +10,176 @@
  * @copyright Jean-Christian Denis
  * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
  */
-if (!defined('DC_CONTEXT_ADMIN')) {
-    return null;
-}
+declare(strict_types=1);
 
-dcPage::check(dcCore::app()->auth->makePermissions([dcAuth::PERMISSION_ADMIN]));
+namespace Dotclear\Plugin\alias;
 
-$o       = new dcAliases();
-$aliases = $o->getAliases();
-$part    = $_REQUEST['part'] ?? 'list';
+use dcCore;
+use dcNsProcess;
+use dcPage;
+use Dotclear\Helper\Html\Form\{
+    Div,
+    Form,
+    Hidden,
+    Input,
+    Label,
+    Note,
+    Number,
+    Para,
+    Submit,
+    Text
+};
+use Dotclear\Helper\Html\Html;
+use Exception;
 
-# Update aliases
-if (isset($_POST['a']) && is_array($_POST['a'])) {
-    try {
-        $o->updateAliases($_POST['a']);
-        dcAdminNotices::addSuccessNotice(__('Aliases successfully updated.'));
-        dcCore::app()->adminurl->redirect('admin.plugin.alias');
-    } catch (Exception $e) {
-        dcCore::app()->error->add($e->getMessage());
+/**
+ * Manage contributions list
+ */
+class Manage extends dcNsProcess
+{
+    public static function init(): bool
+    {
+        static::$init = defined('DC_CONTEXT_ADMIN')
+            && dcCore::app()->auth->check(
+                dcCore::app()->auth->makePermissions([
+                    dcCore::app()->auth::PERMISSION_ADMIN,
+                ]),
+                dcCore::app()->blog->id
+            );
+
+        return static::$init;
     }
-}
 
-# New alias
-if (isset($_POST['alias_url'])) {
-    try {
-        $o->createAlias($_POST['alias_url'], $_POST['alias_destination'], count($aliases) + 1);
-        dcAdminNotices::addSuccessNotice(__('Alias successfully created.'));
-        dcCore::app()->adminurl->redirect('admin.plugin.alias');
-    } catch (Exception $e) {
-        dcCore::app()->error->add($e->getMessage());
-    }
-}
-?>
-<html>
-<head>
-	<title><?php echo __('Aliases'); ?></title>
-</head>
-
-<body>
-<?php
-
-if ($part == 'new') {
-    echo
-    dcPage::breadcrumb([
-        __('Plugins')   => '',
-        __('Aliases')   => dcCore::app()->adminurl->get('admin.plugin.alias', ['part' => 'list']),
-        __('New alias') => '',
-    ]) .
-    dcPage::notices() .
-    '<h3>' . __('New alias') . '</h3>' .
-    '<form action="' . dcCore::app()->admin->getPageURL() . '" method="post">' .
-    '<p class="field"><label>' . __('Alias URL:') . ' ' . form::field('alias_url', 50, 255) . '</label></p>' .
-    '<p class="field"><label>' . __('Alias destination:') . ' ' . form::field('alias_destination', 50, 255) . '</label></p>' .
-    '<p class="form-note">' . sprintf(__('Do not put blog URL "%s" in fields.'), dcCore::app()->blog->url) . '</p>' .
-    '<p>' .
-    dcCore::app()->formNonce() .
-    form::hidden('part', 'new') .
-    '<input type="submit" value="' . __('Save') . '" /></p>' .
-    '</form>';
-} else {
-    echo
-    dcPage::breadcrumb([
-        __('Plugins') => '',
-        __('Aliases') => '',
-    ]) .
-    dcPage::notices() .
-    '<p class="top-add"><a class="button add" href="' .
-        dcCore::app()->adminurl->get('admin.plugin.alias', ['part' => 'new']) .
-    '">' . __('New alias') . '</a></p>';
-
-    if (empty($aliases)) {
-        echo '<p>' . __('No alias') . '</p>';
-    } else {
-        echo
-        '<form action="' . dcCore::app()->admin->getPageURL() . '" method="post">' .
-        '<p>' . sprintf(__('There is %s alias.', 'There are %s aliases.', count($aliases)), count($aliases)) . '</p>' .
-        '<div class="table-outer">' .
-        '<table>' .
-        '<caption>' . __('Aliases list') . '</caption>' .
-        '<thead>' .
-        '<tr>' .
-        '<th class="nowrap" scope="col">' . __('Alias URL') . '</th>' .
-        '<th class="nowrap" scope="col">' . __('Alias destination') . '</th>' .
-        '<th class="nowrap" scope="col">' . __('Alias position') . '</th>' .
-        '</tr>' .
-        '</thead><tbody>';
-
-        foreach ($aliases as $k => $v) {
-            echo
-            '<tr class="line" id="l_' . $k . '">' .
-            '<td>' .
-            form::field(['a[' . $k . '][alias_url]'], 50, 255, html::escapeHTML($v['alias_url'])) . '</td>' .
-            '<td class="maximal">' .
-            form::field(['a[' . $k . '][alias_destination]'], 50, 255, html::escapeHTML($v['alias_destination'])) . '</td>' .
-            '<td class="minimal">' .
-            form::number(['a[' . $k . '][alias_position]'], [
-                'min'        => 1,
-                'max'        => count($aliases),
-                'default'    => (int) $v['alias_position'],
-                'class'      => 'position',
-                'extra_html' => 'title="' . sprintf(__('position of %s'), html::escapeHTML($v['alias_url'])) . '"',
-            ]) . '</td>' .
-            '</tr>';
+    public static function process(): bool
+    {
+        if (!static::$init) {
+            return false;
         }
 
-        echo
-        '</tbody></table></div>' .
-        '<p class="form-note">' . __('To remove an alias, empty its URL or destination.') . '</p>' .
-        '<p>' .
-        dcCore::app()->formNonce() .
-        form::hidden('part', 'list') .
-        '<input type="submit" value="' . __('Update') . '" /></p>' .
-        '</form>';
+        if (empty($_POST) || empty($_POST['a']) && empty($_POST['alias_url'])) {
+            return true;
+        }
+
+        $alias   = new Alias();
+        $aliases = $alias->getAliases();
+
+        # Update aliases
+        if (isset($_POST['a']) && is_array($_POST['a'])) {
+            try {
+                $alias->updateAliases($_POST['a']);
+                dcPage::addSuccessNotice(__('Aliases successfully updated.'));
+                dcCore::app()->adminurl->redirect('admin.plugin.' . My::id());
+            } catch (Exception $e) {
+                dcCore::app()->error->add($e->getMessage());
+            }
+        }
+
+        # New alias
+        if (isset($_POST['alias_url'])) {
+            try {
+                $alias->createAlias($_POST['alias_url'], $_POST['alias_destination'], count($aliases) + 1);
+                dcPage::addSuccessNotice(__('Alias successfully created.'));
+                dcCore::app()->adminurl->redirect('admin.plugin.' . My::id());
+            } catch (Exception $e) {
+                dcCore::app()->error->add($e->getMessage());
+            }
+        }
+
+        return true;
+    }
+
+    public static function render(): void
+    {
+        if (!static::$init) {
+            return;
+        }
+
+        $alias   = new Alias();
+        $aliases = $alias->getAliases();
+
+        dcPage::openModule(My::name());
+
+        if (($_REQUEST['part'] ?? 'list') == 'new') {
+            echo
+            dcPage::breadcrumb([
+                __('Plugins')   => '',
+                My::name()      => dcCore::app()->adminurl->get('admin.plugin.' . My::id(), ['part' => 'list']),
+                __('New alias') => '',
+            ]) .
+            dcPage::notices() .
+
+            (new Div())->items([
+                (new Text('h3', __('New alias'))),
+                (new Form(My::id() . '_form'))->method('post')->action(dcCore::app()->admin->getPageURL())->fields([
+                    (new Para())->class('field')->items([
+                        (new Label(__('Alias URL:')))->for('alias_url'),
+                        (new Input('alias_url'))->size(50)->maxlenght(255),
+                    ]),
+                    (new Para())->class('field')->items([
+                        (new Label(__('Alias destination:')))->for('alias_destination'),
+                        (new Input('alias_destination'))->size(50)->maxlenght(255),
+                    ]),
+                    (new Note())->text(sprintf(__('Do not put blog URL "%s" in fields.'), dcCore::app()->blog->url)),
+                    (new Para())->items([
+                        dcCore::app()->formNonce(false),
+                        (new Hidden('part', 'new')),
+                        (new Submit(['do']))->value(__('Save')),
+                    ]),
+                ]),
+            ])->render();
+        } else {
+            echo
+            dcPage::breadcrumb([
+                __('Plugins') => '',
+                My::name()    => '',
+            ]) .
+            dcPage::notices() .
+            '<p class="top-add"><a class="button add" href="' .
+                dcCore::app()->adminurl->get('admin.plugin.' . My::id(), ['part' => 'new']) .
+            '">' . __('New alias') . '</a></p>';
+
+            if (empty($aliases)) {
+                echo '<p>' . __('No alias') . '</p>';
+            } else {
+                echo
+                '<form action="' . dcCore::app()->admin->getPageURL() . '" method="post">' .
+                '<p>' . sprintf(__('There is %s alias.', 'There are %s aliases.', count($aliases)), count($aliases)) . '</p>' .
+                '<div class="table-outer">' .
+                '<table>' .
+                '<caption>' . __('Aliases list') . '</caption>' .
+                '<thead>' .
+                '<tr>' .
+                '<th class="nowrap" scope="col">' . __('Alias URL') . '</th>' .
+                '<th class="nowrap" scope="col">' . __('Alias destination') . '</th>' .
+                '<th class="nowrap" scope="col">' . __('Alias position') . '</th>' .
+                '</tr>' .
+                '</thead><tbody>';
+
+                foreach ($aliases as $k => $v) {
+                    echo
+                    '<tr class="line" id="l_' . $k . '">' .
+                    '<td>' .
+                    (new Input(['a[' . $k . '][alias_url]']))->size(50)->maxlenght(255)->value(Html::escapeHTML($v['alias_url']))->render() . '</td>' .
+                    '<td class="maximal">' .
+                    (new Input(['a[' . $k . '][alias_destination]']))->size(50)->maxlenght(255)->value(Html::escapeHTML($v['alias_destination']))->render() . '</td>' .
+                    '<td class="minimal">' .
+                    (new Number(['a[' . $k . '][alias_position]']))->min(1)->max(count($aliases))->default((int) $v['alias_position'])->class('position')->title(sprintf(__('position of %s'), Html::escapeHTML($v['alias_url'])))->render() . '</td>' .
+                    '</tr>';
+                }
+
+                echo
+                '</tbody></table></div>' .
+                '<p class="form-note">' . __('To remove an alias, empty its URL or destination.') . '</p>' .
+                (new Para())->items([
+                    dcCore::app()->formNonce(false),
+                    (new Hidden('part', 'list')),
+                    (new Submit(['upd']))->value(__('Update')),
+                ])->render() .
+                '</form>';
+            }
+        }
+
+        dcPage::helpBlock('alias');
+        dcPage::closeModule();
     }
 }
-
-dcPage::helpBlock('alias');
-?>
-</body>
-</html>
diff --git a/src/My.php b/src/My.php
new file mode 100644
index 0000000..d753ba2
--- /dev/null
+++ b/src/My.php
@@ -0,0 +1,42 @@
+<?php
+/**
+ * @brief alias, a plugin for Dotclear 2
+ *
+ * @package Dotclear
+ * @subpackage Plugin
+ *
+ * @author Olivier Meunier and contributors
+ *
+ * @copyright Jean-Christian Denis
+ * @copyright GPL-2.0 https://www.gnu.org/licenses/gpl-2.0.html
+ */
+declare(strict_types=1);
+
+namespace Dotclear\Plugin\alias;
+
+use dcCore;
+
+/**
+ * Plugin definitions
+ */
+class My
+{
+    /** @var    string  Plugin table name */
+    public const ALIAS_TABLE_NAME = 'alias';
+
+    /**
+     * This module id
+     */
+    public static function id(): string
+    {
+        return basename(dirname(__DIR__));
+    }
+
+    /**
+     * This module name
+     */
+    public static function name(): string
+    {
+        return __((string) dcCore::app()->plugins->moduleInfo(self::id(), 'name'));
+    }
+}