diff --git a/boot.php b/boot.php
index ffc87f27..17929ffc 100644
--- a/boot.php
+++ b/boot.php
@@ -32,6 +32,6 @@
 rex_ycom::addTable(rex::getTablePrefix() . 'ycom_user');
 rex_yform_manager_dataset::setModelClass(rex::getTablePrefix() . 'ycom_user', rex_ycom_user::class);
 
-if (rex::isBackend() && ('index.php?page=content/edit' == rex_url::currentBackendPage() || 'mediapool' == rex_be_controller::getCurrentPagePart(1))) {
+if (rex::isBackend() && ('index.php?page=content/edit' === rex_url::currentBackendPage() || 'mediapool' === rex_be_controller::getCurrentPagePart(1))) {
     rex_view::addJsFile($this->getAssetsUrl('ycom_backend.js'));
 }
diff --git a/install.php b/install.php
index 9b88bc0b..1e283926 100644
--- a/install.php
+++ b/install.php
@@ -8,7 +8,7 @@
 rex_yform_manager_table::deleteCache();
 
 $content = rex_file::get(rex_path::addon('ycom', 'install/tablesets/yform_user.json'));
-if (is_string($content) && '' != $content) {
+if (is_string($content) && '' !== $content) {
     rex_yform_manager_table_api::importTablesets($content);
 }
 
diff --git a/lib/ycom_log.php b/lib/ycom_log.php
index d50b8178..b72a0277 100644
--- a/lib/ycom_log.php
+++ b/lib/ycom_log.php
@@ -2,21 +2,21 @@
 
 class rex_ycom_log
 {
-    public const TYPE_ACCESS = 'access';
-    public const TYPE_LOGOUT = 'logout';
-    public const TYPE_CLICK = 'click';
-    public const TYPE_LOGIN_FAILED = 'login_failed';
-    public const TYPE_LOGIN_NOT_FOUND = 'login_not_found';
-    public const TYPE_LOGIN_SUCCESS = 'login_success';
-    public const TYPE_LOGIN_UPDATED = 'login_updated';
-    public const TYPE_LOGIN_DELETED = 'login_deleted';
-    public const TYPE_REGISTERD = 'registerd';
-    public const TYPE_SESSION_FAILED = 'session_failed';
-    public const TYPE_COOKIE_FAILED = 'cookie_failed';
-    public const TYPE_IMPERSONATE = 'session_impersonate';
+    public const TYPE_ACCESS = 'access'; /** @api */
+    public const TYPE_LOGOUT = 'logout'; /** @api */
+    public const TYPE_CLICK = 'click'; /** @api */
+    public const TYPE_LOGIN_FAILED = 'login_failed'; /** @api */
+    public const TYPE_LOGIN_NOT_FOUND = 'login_not_found'; /** @api */
+    public const TYPE_LOGIN_SUCCESS = 'login_success'; /** @api */
+    public const TYPE_LOGIN_UPDATED = 'login_updated'; /** @api */
+    public const TYPE_LOGIN_DELETED = 'login_deleted'; /** @api */
+    public const TYPE_REGISTERD = 'registerd'; /** @api */
+    public const TYPE_SESSION_FAILED = 'session_failed'; /** @api */
+    public const TYPE_COOKIE_FAILED = 'cookie_failed'; /** @api */
+    public const TYPE_IMPERSONATE = 'session_impersonate'; /** @api */
 
     public const TYPES = [self::TYPE_COOKIE_FAILED, self::TYPE_SESSION_FAILED, self::TYPE_ACCESS, self::TYPE_LOGIN_SUCCESS, self::TYPE_LOGOUT, self::TYPE_LOGIN_UPDATED, self::TYPE_CLICK, self::TYPE_LOGIN_FAILED, self::TYPE_REGISTERD, self::TYPE_LOGIN_DELETED, self::TYPE_LOGIN_NOT_FOUND];
-    /** @var null|bool */
+    /** @var bool|null */
     private static $active;
     private static int $maxFileSize = 20000000; // 20 Mb Default
 
diff --git a/lib/ycom_user.php b/lib/ycom_user.php
index 4528d057..5bde3683 100644
--- a/lib/ycom_user.php
+++ b/lib/ycom_user.php
@@ -17,10 +17,10 @@ public function isInGroup(int $group_id): bool
     {
         $ycom_groups = (string) $this->getValue('ycom_groups');
 
-        if ('' == $group_id) {
+        if ('' === $group_id) {
             return true;
         }
-        if ('' != $ycom_groups) {
+        if ('' !== $ycom_groups) {
             $ycom_groups_array = explode(',', $ycom_groups);
             if (in_array((string) $group_id, $ycom_groups_array, true)) {
                 return true;
@@ -40,7 +40,7 @@ public function getPassword(): string
      */
     public function getGroups(): array
     {
-        if ('' == $this->getValue('ycom_groups')) {
+        if ('' === $this->getValue('ycom_groups')) {
             return [];
         }
 
diff --git a/lib/yform/value/ycom_user.php b/lib/yform/value/ycom_user.php
index 802397a5..753b75e4 100644
--- a/lib/yform/value/ycom_user.php
+++ b/lib/yform/value/ycom_user.php
@@ -18,7 +18,7 @@ public function enterObject(): void
             $wc = $this->params['warning'][$this->getId()];
         }
 
-        if ('hidden' != trim($this->getElement(4))) {
+        if ('hidden' !== trim($this->getElement(4))) {
             $this->params['form_output'][$this->getId()] = '
                 <p class="formtext">
                     <label class="text ' . $wc . '" for="' . $this->getFieldId() . '" >' . $this->getElement(3) . '</label>
@@ -27,7 +27,7 @@ public function enterObject(): void
         }
 
         $this->params['value_pool']['email'][$this->getElement(1)] = stripslashes($this->getValue());
-        if ('no_db' != $this->getElement(5)) {
+        if ('no_db' !== $this->getElement(5)) {
             $this->params['value_pool']['sql'][$this->getElement(1)] = $this->getValue();
         }
     }
diff --git a/pages/docs.php b/pages/docs.php
index 54f0c2f5..30bdb8fd 100644
--- a/pages/docs.php
+++ b/pages/docs.php
@@ -25,7 +25,7 @@
             (new rex_be_page($key, rex_i18n::msg('ycom_docs_' . $keyWithoudPrio)))
             ->setSubPath($mdFile)
             ->setHref('index.php?page=ycom/docs&mdfile=' . $key)
-            ->setIsActive($key == $currenMDFile),
+            ->setIsActive($key === $currenMDFile),
         );
     }
 }
diff --git a/plugins/auth/boot.php b/plugins/auth/boot.php
index ff755f47..1fa2c729 100644
--- a/plugins/auth/boot.php
+++ b/plugins/auth/boot.php
@@ -87,7 +87,7 @@
         $params = $ep->getParams();
         /** @var rex_yform_manager_table $table */
         $table = $params['table'];
-        if (rex::getTablePrefix() . 'ycom_user' == $table->getTableName()) {
+        if (rex::getTablePrefix() . 'ycom_user' === $table->getTableName()) {
             if (rex::getUser() && rex::getUser()->isAdmin()) {
                 $actionButtons = $ep->getSubject();
                 $actionButtons['ycom_impersonate'] = [
diff --git a/plugins/auth/install.php b/plugins/auth/install.php
index 0d7d19c0..6af7d865 100644
--- a/plugins/auth/install.php
+++ b/plugins/auth/install.php
@@ -10,7 +10,7 @@
 $articleTable = rex_sql_table::get(rex::getTable('article'));
 if ($articleTable->hasColumn('ycom_auth_type')) {
     $Column = $articleTable->getColumn('ycom_auth_type');
-    if (null !== $Column && 'enum' == substr($Column->getType(), 0, 4)) {
+    if (null !== $Column && 'enum' === substr($Column->getType(), 0, 4)) {
         $articleAuthTypeWasEnum = true;
     }
 }