diff --git a/sources/application/Branding.php b/sources/application/Branding.php
index 58077abb0..3a7356ef4 100644
--- a/sources/application/Branding.php
+++ b/sources/application/Branding.php
@@ -31,15 +31,15 @@ use utils;
 class Branding
 {
 	/** @var string Full main logo, used everywhere when there is no need for a special one */
-	const ENUM_LOGO_TYPE_MAIN_LOGO_FULL = 'main_logo_full';
+	public const ENUM_LOGO_TYPE_MAIN_LOGO_FULL = 'main_logo_full';
 	/** @var string Compact main logo, used in the collapsed menu of the backoffice */
-	const ENUM_LOGO_TYPE_MAIN_LOGO_COMPACT = 'main_logo_compact';
+	public const ENUM_LOGO_TYPE_MAIN_LOGO_COMPACT = 'main_logo_compact';
 	/** @var string Logo used in the end-users portal */
-	const ENUM_LOGO_TYPE_PORTAL_LOGO = 'portal_logo';
+	public const ENUM_LOGO_TYPE_PORTAL_LOGO = 'portal_logo';
 	/** @var string Logo used in the login pages */
-	const ENUM_LOGO_TYPE_LOGIN_LOGO = 'login_logo';
+	public const ENUM_LOGO_TYPE_LOGIN_LOGO = 'login_logo';
 	/** @var string Default logo */
-	const DEFAULT_LOGO_TYPE = self::ENUM_LOGO_TYPE_MAIN_LOGO_FULL;
+	public const DEFAULT_LOGO_TYPE = self::ENUM_LOGO_TYPE_MAIN_LOGO_FULL;
 
 	/** @var \string[][] Relative paths to the default/custom logos from the current environment folder */
 	public static $aLogoPaths = [
diff --git a/sources/application/TwigBase/Twig/TwigHelper.php b/sources/application/TwigBase/Twig/TwigHelper.php
index 7483ffa6b..a6643c702 100644
--- a/sources/application/TwigBase/Twig/TwigHelper.php
+++ b/sources/application/TwigBase/Twig/TwigHelper.php
@@ -28,28 +28,28 @@ class TwigHelper
 	 * @var string ENUM_FILE_TYPE_HTML
 	 * @since 2.8.0
 	 */
-	const ENUM_FILE_TYPE_HTML = 'html';
+	public const ENUM_FILE_TYPE_HTML = 'html';
 	/**
 	 * @var string ENUM_FILE_TYPE_JS
 	 * @since 2.8.0
 	 */
-	const ENUM_FILE_TYPE_JS = 'js';
+	public const ENUM_FILE_TYPE_JS = 'js';
 	/**
 	 * @var string ENUM_FILE_TYPE_CSS
 	 * @since 2.8.0
 	 */
-	const ENUM_FILE_TYPE_CSS = 'css';
+	public const ENUM_FILE_TYPE_CSS = 'css';
 	/**
 	 * @var string ENUM_FILE_TYPE_SVG
 	 * @since 2.8.0
 	 */
-	const ENUM_FILE_TYPE_SVG = 'svg';
+	public const ENUM_FILE_TYPE_SVG = 'svg';
 
 	/**
 	 * @var string DEFAULT_FILE_TYPE
 	 * @since 2.8.0
 	 */
-	const DEFAULT_FILE_TYPE = self::ENUM_FILE_TYPE_HTML;
+	public const DEFAULT_FILE_TYPE = self::ENUM_FILE_TYPE_HTML;
 
 	/**
 	 * Return a TWIG environment instance looking for templates under $sViewPath.
diff --git a/sources/application/UI/Component/Alert/Alert.php b/sources/application/UI/Component/Alert/Alert.php
index e44be0ad8..448c21f8a 100644
--- a/sources/application/UI/Component/Alert/Alert.php
+++ b/sources/application/UI/Component/Alert/Alert.php
@@ -32,48 +32,48 @@ use Combodo\iTop\Application\UI\UIBlock;
 class Alert extends UIBlock
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-alert';
-	const HTML_TEMPLATE_REL_PATH = 'components/alert/layout';
-	const JS_TEMPLATE_REL_PATH = 'components/alert/layout';
+	public const BLOCK_CODE = 'ibo-alert';
+	public const HTML_TEMPLATE_REL_PATH = 'components/alert/layout';
+	public const JS_TEMPLATE_REL_PATH = 'components/alert/layout';
 
 	// Specific constants
 	/** @var string ENUM_COLOR_PRIMARY */
-	const ENUM_COLOR_PRIMARY = 'primary';
+	public const ENUM_COLOR_PRIMARY = 'primary';
 	/** @var string ENUM_COLOR_SECONDARY */
-	const ENUM_COLOR_SECONDARY = 'secondary';
+	public const ENUM_COLOR_SECONDARY = 'secondary';
 
 	/** @var string ENUM_COLOR_NEUTRAL */
-	const ENUM_COLOR_NEUTRAL = 'neutral';
+	public const ENUM_COLOR_NEUTRAL = 'neutral';
 	/** @var string ENUM_COLOR_INFORMATION */
-	const ENUM_COLOR_INFORMATION = 'information';
+	public const ENUM_COLOR_INFORMATION = 'information';
 	/** @var string ENUM_COLOR_SUCCESS */
-	const ENUM_COLOR_SUCCESS = 'success';
+	public const ENUM_COLOR_SUCCESS = 'success';
 	/** @var string ENUM_COLOR_FAILURE */
-	const ENUM_COLOR_FAILURE = 'failure';
+	public const ENUM_COLOR_FAILURE = 'failure';
 	/** @var string ENUM_COLOR_WARNING */
-	const ENUM_COLOR_WARNING = 'warning';
+	public const ENUM_COLOR_WARNING = 'warning';
 	/** @var string ENUM_COLOR_DANGER */
-	const ENUM_COLOR_DANGER = 'danger';
+	public const ENUM_COLOR_DANGER = 'danger';
 
 	/** @var string ENUM_COLOR_GREY */
-	const ENUM_COLOR_GREY = 'grey';
+	public const ENUM_COLOR_GREY = 'grey';
 	/** @var string ENUM_COLOR_BLUEGREY */
-	const ENUM_COLOR_BLUEGREY = 'blue-grey';
+	public const ENUM_COLOR_BLUEGREY = 'blue-grey';
 	/** @var string ENUM_COLOR_BLUE */
-	const ENUM_COLOR_BLUE = 'blue';
+	public const ENUM_COLOR_BLUE = 'blue';
 	/** @var string ENUM_COLOR_CYAN */
-	const ENUM_COLOR_CYAN = 'cyan';
+	public const ENUM_COLOR_CYAN = 'cyan';
 	/** @var string ENUM_COLOR_GREEN */
-	const ENUM_COLOR_GREEN = 'green';
+	public const ENUM_COLOR_GREEN = 'green';
 	/** @var string ENUM_COLOR_ORANGE */
-	const ENUM_COLOR_ORANGE = 'orange';
+	public const ENUM_COLOR_ORANGE = 'orange';
 	/** @var string ENUM_COLOR_RED */
-	const ENUM_COLOR_RED = 'red';
+	public const ENUM_COLOR_RED = 'red';
 	/** @var string ENUM_COLOR_PINK */
-	const ENUM_COLOR_PINK = 'pink';
+	public const ENUM_COLOR_PINK = 'pink';
 
 	/** @var string DEFAULT_COLOR */
-	const DEFAULT_COLOR = self::ENUM_COLOR_NEUTRAL;
+	public const DEFAULT_COLOR = self::ENUM_COLOR_NEUTRAL;
 
 	/** @var string $sTitle */
 	protected $sTitle;
diff --git a/sources/application/UI/Component/Breadcrumbs/Breadcrumbs.php b/sources/application/UI/Component/Breadcrumbs/Breadcrumbs.php
index 4334aec80..35c7de0b8 100644
--- a/sources/application/UI/Component/Breadcrumbs/Breadcrumbs.php
+++ b/sources/application/UI/Component/Breadcrumbs/Breadcrumbs.php
@@ -35,10 +35,10 @@ use utils;
 class Breadcrumbs extends UIBlock
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-breadcrumbs';
-	const HTML_TEMPLATE_REL_PATH = 'components/breadcrumbs/layout';
-	const JS_TEMPLATE_REL_PATH = 'components/breadcrumbs/layout';
-	const JS_FILES_REL_PATH = [
+	public const BLOCK_CODE = 'ibo-breadcrumbs';
+	public const HTML_TEMPLATE_REL_PATH = 'components/breadcrumbs/layout';
+	public const JS_TEMPLATE_REL_PATH = 'components/breadcrumbs/layout';
+	public const JS_FILES_REL_PATH = [
 		'js/components/breadcrumbs.js',
 	];
 
diff --git a/sources/application/UI/Component/Button/Button.php b/sources/application/UI/Component/Button/Button.php
index 4b3845e45..f7a8a1e7e 100644
--- a/sources/application/UI/Component/Button/Button.php
+++ b/sources/application/UI/Component/Button/Button.php
@@ -32,45 +32,45 @@ use Combodo\iTop\Application\UI\UIBlock;
 class Button extends UIBlock
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-button';
-	const HTML_TEMPLATE_REL_PATH = 'components/button/layout';
-	const JS_TEMPLATE_REL_PATH = 'components/button/layout';
+	public const BLOCK_CODE = 'ibo-button';
+	public const HTML_TEMPLATE_REL_PATH = 'components/button/layout';
+	public const JS_TEMPLATE_REL_PATH = 'components/button/layout';
 
 	// Specific constants
 	/** @var string ENUM_TYPE_BUTTON */
-	const ENUM_TYPE_BUTTON = 'button';
+	public const ENUM_TYPE_BUTTON = 'button';
 	/** @var string ENUM_TYPE_SUBMIT */
-	const ENUM_TYPE_SUBMIT = 'submit';
+	public const ENUM_TYPE_SUBMIT = 'submit';
 	/** @var string ENUM_TYPE_RESET */
-	const ENUM_TYPE_RESET = 'reset';
+	public const ENUM_TYPE_RESET = 'reset';
 	/** @var string DEFAULT_TYPE */
-	const DEFAULT_TYPE = self::ENUM_TYPE_BUTTON;
+	public const DEFAULT_TYPE = self::ENUM_TYPE_BUTTON;
 
 	/** @var string ENUM_ACTION_TYPE_REGULAR */
-	const ENUM_ACTION_TYPE_REGULAR = 'regular';
+	public const ENUM_ACTION_TYPE_REGULAR = 'regular';
 	/** @var string ENUM_ACTION_TYPE_ALTERNATIVE */
-	const ENUM_ACTION_TYPE_ALTERNATIVE = 'alternative';
+	public const ENUM_ACTION_TYPE_ALTERNATIVE = 'alternative';
 	/** @var string DEFAULT_ACTION_TYPE */
-	const DEFAULT_ACTION_TYPE = self::ENUM_ACTION_TYPE_REGULAR;
+	public const DEFAULT_ACTION_TYPE = self::ENUM_ACTION_TYPE_REGULAR;
 
 	/** @var string ENUM_COLOR_NEUTRAL */
-	const ENUM_COLOR_NEUTRAL = 'neutral';
+	public const ENUM_COLOR_NEUTRAL = 'neutral';
 	/** @var string ENUM_COLOR_VALIDATION */
-	const ENUM_COLOR_VALIDATION = 'green';
+	public const ENUM_COLOR_VALIDATION = 'green';
 	/** @var string ENUM_COLOR_DESTRUCTIVE */
-	const ENUM_COLOR_DESTRUCTIVE = 'red';
+	public const ENUM_COLOR_DESTRUCTIVE = 'red';
 	/** @var string ENUM_COLOR_PRIMARY */
-	const ENUM_COLOR_PRIMARY = 'primary';
+	public const ENUM_COLOR_PRIMARY = 'primary';
 	/** @var string ENUM_COLOR_SECONDARY */
-	const ENUM_COLOR_SECONDARY = 'secondary';
+	public const ENUM_COLOR_SECONDARY = 'secondary';
 	/** @var string ENUM_COLOR_GREEN */
-	const ENUM_COLOR_GREEN = 'green';
+	public const ENUM_COLOR_GREEN = 'green';
 	/** @var string ENUM_COLOR_RED */
-	const ENUM_COLOR_RED = 'red';
+	public const ENUM_COLOR_RED = 'red';
 	/** @var string ENUM_COLOR_CYAN */
-	const ENUM_COLOR_CYAN = 'cyan';
+	public const ENUM_COLOR_CYAN = 'cyan';
 	/** @var string DEFAULT_COLOR */
-	const DEFAULT_COLOR = self::ENUM_COLOR_NEUTRAL;
+	public const DEFAULT_COLOR = self::ENUM_COLOR_NEUTRAL;
 
 	/** @var string $sLabel */
 	protected $sLabel;
diff --git a/sources/application/UI/Component/GlobalSearch/GlobalSearch.php b/sources/application/UI/Component/GlobalSearch/GlobalSearch.php
index 71c784302..808368409 100644
--- a/sources/application/UI/Component/GlobalSearch/GlobalSearch.php
+++ b/sources/application/UI/Component/GlobalSearch/GlobalSearch.php
@@ -34,14 +34,14 @@ use utils;
 class GlobalSearch extends UIBlock
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-global-search';
-	const HTML_TEMPLATE_REL_PATH = 'components/global-search/layout';
-	const JS_TEMPLATE_REL_PATH = 'components/global-search/layout';
-	const JS_FILES_REL_PATH = [
+	public const BLOCK_CODE = 'ibo-global-search';
+	public const HTML_TEMPLATE_REL_PATH = 'components/global-search/layout';
+	public const JS_TEMPLATE_REL_PATH = 'components/global-search/layout';
+	public const JS_FILES_REL_PATH = [
 		'js/components/global-search.js',
 	];
 
-	const DEFAULT_ENDPOINT_REL_URL = 'pages/UI.php?operation=full_text';
+	public const DEFAULT_ENDPOINT_REL_URL = 'pages/UI.php?operation=full_text';
 
 	/** @var string $sEndpoint Absolute endpoint URL of the search form */
 	protected $sEndpoint;
diff --git a/sources/application/UI/Component/GlobalSearch/GlobalSearchHelper.php b/sources/application/UI/Component/GlobalSearch/GlobalSearchHelper.php
index 9bb2122b2..f277a2383 100644
--- a/sources/application/UI/Component/GlobalSearch/GlobalSearchHelper.php
+++ b/sources/application/UI/Component/GlobalSearch/GlobalSearchHelper.php
@@ -33,8 +33,8 @@ use utils;
  */
 class GlobalSearchHelper
 {
-	const MAX_HISTORY_SIZE = 10;
-	const USER_PREF_CODE = 'global_search_history';
+	public const MAX_HISTORY_SIZE = 10;
+	public const USER_PREF_CODE = 'global_search_history';
 
 	/**
 	 * Add $sQuery to the history. History is limited to the static::MAX_HISTORY_SIZE last queries.
diff --git a/sources/application/UI/Component/Html/Html.php b/sources/application/UI/Component/Html/Html.php
index 78f86ff45..e6847ceed 100644
--- a/sources/application/UI/Component/Html/Html.php
+++ b/sources/application/UI/Component/Html/Html.php
@@ -32,8 +32,8 @@ use Combodo\iTop\Application\UI\UIBlock;
 class Html extends UIBlock
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-html';
-	const HTML_TEMPLATE_REL_PATH = 'components/html/layout';
+	public const BLOCK_CODE = 'ibo-html';
+	public const HTML_TEMPLATE_REL_PATH = 'components/html/layout';
 
 	/** @var string $sHtml The raw HTML, must be already sanitized */
 	protected $sHtml;
diff --git a/sources/application/UI/Component/Panel/Panel.php b/sources/application/UI/Component/Panel/Panel.php
index ce62a5c20..cf84b3279 100644
--- a/sources/application/UI/Component/Panel/Panel.php
+++ b/sources/application/UI/Component/Panel/Panel.php
@@ -32,48 +32,48 @@ use Combodo\iTop\Application\UI\UIBlock;
 class Panel extends UIBlock
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-panel';
-	const HTML_TEMPLATE_REL_PATH = 'components/panel/layout';
-	const JS_TEMPLATE_REL_PATH = 'components/panel/layout';
+	public const BLOCK_CODE = 'ibo-panel';
+	public const HTML_TEMPLATE_REL_PATH = 'components/panel/layout';
+	public const JS_TEMPLATE_REL_PATH = 'components/panel/layout';
 
 	// Specific constants
 	/** @var string ENUM_COLOR_PRIMARY */
-	const ENUM_COLOR_PRIMARY = 'primary';
+	public const ENUM_COLOR_PRIMARY = 'primary';
 	/** @var string ENUM_COLOR_SECONDARY */
-	const ENUM_COLOR_SECONDARY = 'secondary';
+	public const ENUM_COLOR_SECONDARY = 'secondary';
 
 	/** @var string ENUM_COLOR_NEUTRAL */
-	const ENUM_COLOR_NEUTRAL = 'neutral';
+	public const ENUM_COLOR_NEUTRAL = 'neutral';
 	/** @var string ENUM_COLOR_INFORMATION */
-	const ENUM_COLOR_INFORMATION = 'information';
+	public const ENUM_COLOR_INFORMATION = 'information';
 	/** @var string ENUM_COLOR_SUCCESS */
-	const ENUM_COLOR_SUCCESS = 'success';
+	public const ENUM_COLOR_SUCCESS = 'success';
 	/** @var string ENUM_COLOR_FAILURE */
-	const ENUM_COLOR_FAILURE = 'failure';
+	public const ENUM_COLOR_FAILURE = 'failure';
 	/** @var string ENUM_COLOR_WARNING */
-	const ENUM_COLOR_WARNING = 'warning';
+	public const ENUM_COLOR_WARNING = 'warning';
 	/** @var string ENUM_COLOR_DANGER */
-	const ENUM_COLOR_DANGER = 'danger';
+	public const ENUM_COLOR_DANGER = 'danger';
 
 	/** @var string ENUM_COLOR_GREY */
-	const ENUM_COLOR_GREY = 'grey';
+	public const ENUM_COLOR_GREY = 'grey';
 	/** @var string ENUM_COLOR_BLUEGREY */
-	const ENUM_COLOR_BLUEGREY = 'blue-grey';
+	public const ENUM_COLOR_BLUEGREY = 'blue-grey';
 	/** @var string ENUM_COLOR_BLUE */
-	const ENUM_COLOR_BLUE = 'blue';
+	public const ENUM_COLOR_BLUE = 'blue';
 	/** @var string ENUM_COLOR_CYAN */
-	const ENUM_COLOR_CYAN = 'cyan';
+	public const ENUM_COLOR_CYAN = 'cyan';
 	/** @var string ENUM_COLOR_GREEN */
-	const ENUM_COLOR_GREEN = 'green';
+	public const ENUM_COLOR_GREEN = 'green';
 	/** @var string ENUM_COLOR_ORANGE */
-	const ENUM_COLOR_ORANGE = 'orange';
+	public const ENUM_COLOR_ORANGE = 'orange';
 	/** @var string ENUM_COLOR_RED */
-	const ENUM_COLOR_RED = 'red';
+	public const ENUM_COLOR_RED = 'red';
 	/** @var string ENUM_COLOR_PINK */
-	const ENUM_COLOR_PINK = 'pink';
+	public const ENUM_COLOR_PINK = 'pink';
 
 	/** @var string DEFAULT_COLOR */
-	const DEFAULT_COLOR = self::ENUM_COLOR_NEUTRAL;
+	public const DEFAULT_COLOR = self::ENUM_COLOR_NEUTRAL;
 
 	/** @var string $sTitle */
 	protected $sTitle;
diff --git a/sources/application/UI/Component/PopoverMenu/NewsroomMenu/NewsroomMenu.php b/sources/application/UI/Component/PopoverMenu/NewsroomMenu/NewsroomMenu.php
index 262593260..a7a5230d1 100644
--- a/sources/application/UI/Component/PopoverMenu/NewsroomMenu/NewsroomMenu.php
+++ b/sources/application/UI/Component/PopoverMenu/NewsroomMenu/NewsroomMenu.php
@@ -33,9 +33,9 @@ use Combodo\iTop\Application\UI\Component\PopoverMenu\PopoverMenu;
 class NewsroomMenu extends PopoverMenu
 {
 	// Overloaded constants
-	const HTML_TEMPLATE_REL_PATH = 'components/popover-menu/newsroom-menu/layout';
-	const JS_TEMPLATE_REL_PATH = 'components/popover-menu/newsroom-menu/layout';
-	const JS_FILES_REL_PATH = [
+	public const HTML_TEMPLATE_REL_PATH = 'components/popover-menu/newsroom-menu/layout';
+	public const JS_TEMPLATE_REL_PATH = 'components/popover-menu/newsroom-menu/layout';
+	public const JS_FILES_REL_PATH = [
 		'js/components/newsroom-menu.js',
 	];
 
diff --git a/sources/application/UI/Component/PopoverMenu/PopoverMenu.php b/sources/application/UI/Component/PopoverMenu/PopoverMenu.php
index 12752107e..018133b7a 100644
--- a/sources/application/UI/Component/PopoverMenu/PopoverMenu.php
+++ b/sources/application/UI/Component/PopoverMenu/PopoverMenu.php
@@ -35,9 +35,9 @@ use Exception;
 class PopoverMenu extends UIBlock
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-popover-menu';
-	const HTML_TEMPLATE_REL_PATH = 'components/popover-menu/layout';
-	const JS_FILES_REL_PATH = [
+	public const BLOCK_CODE = 'ibo-popover-menu';
+	public const HTML_TEMPLATE_REL_PATH = 'components/popover-menu/layout';
+	public const JS_FILES_REL_PATH = [
 		'js/components/popover-menu.js',
 	];
 
diff --git a/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/JsPopoverMenuItem.php b/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/JsPopoverMenuItem.php
index ba42ffe33..4564a0d6a 100644
--- a/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/JsPopoverMenuItem.php
+++ b/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/JsPopoverMenuItem.php
@@ -33,7 +33,7 @@ use JSPopupMenuItem;
 class JsPopoverMenuItem extends PopoverMenuItem
 {
 	// Overloaded constants
-	const HTML_TEMPLATE_REL_PATH = 'components/popover-menu/item/mode_js';
+	public const HTML_TEMPLATE_REL_PATH = 'components/popover-menu/item/mode_js';
 
 	/**
 	 * @see \JSPopupMenuItem::GetJsCode()
diff --git a/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/PopoverMenuItem.php b/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/PopoverMenuItem.php
index 375a4375a..dbec95061 100644
--- a/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/PopoverMenuItem.php
+++ b/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/PopoverMenuItem.php
@@ -34,8 +34,8 @@ use Combodo\iTop\Application\UI\UIBlock;
 class PopoverMenuItem extends UIBlock
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-popover-menu--item';
-	const HTML_TEMPLATE_REL_PATH = 'components/popover-menu/item/layout';
+	public const BLOCK_CODE = 'ibo-popover-menu--item';
+	public const HTML_TEMPLATE_REL_PATH = 'components/popover-menu/item/layout';
 
 	/** @var \ApplicationPopupMenuItem $oPopupMenuItem We decorate the class with the original \ApplicationPopupMenuItem as it is used among the application (backoffice, portal, extensions) and cannot be refactored without BC breaks */
 	protected $oPopupMenuItem;
diff --git a/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/SeparatorPopoverMenuItem.php b/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/SeparatorPopoverMenuItem.php
index 0b00f34bf..175decbe1 100644
--- a/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/SeparatorPopoverMenuItem.php
+++ b/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/SeparatorPopoverMenuItem.php
@@ -30,6 +30,6 @@ namespace Combodo\iTop\Application\UI\Component\PopoverMenu\PopoverMenuItem;
  */
 class SeparatorPopoverMenuItem extends PopoverMenuItem
 {
-	const HTML_TEMPLATE_REL_PATH = 'components/popover-menu/item/mode_separator';
-	
+	public const HTML_TEMPLATE_REL_PATH = 'components/popover-menu/item/mode_separator';
+
 }
\ No newline at end of file
diff --git a/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/UrlPopoverMenuItem.php b/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/UrlPopoverMenuItem.php
index 31bc1d4fe..e46bfd37f 100644
--- a/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/UrlPopoverMenuItem.php
+++ b/sources/application/UI/Component/PopoverMenu/PopoverMenuItem/UrlPopoverMenuItem.php
@@ -31,7 +31,7 @@ namespace Combodo\iTop\Application\UI\Component\PopoverMenu\PopoverMenuItem;
 class UrlPopoverMenuItem extends PopoverMenuItem
 {
 	// Overloaded constants
-	const HTML_TEMPLATE_REL_PATH = 'components/popover-menu/item/mode_url';
+	public const HTML_TEMPLATE_REL_PATH = 'components/popover-menu/item/mode_url';
 
 	/**
 	 * @see \URLPopupMenuItem::GetUrl()
diff --git a/sources/application/UI/Component/QuickCreate/QuickCreate.php b/sources/application/UI/Component/QuickCreate/QuickCreate.php
index cced3ee8d..29692ff9e 100644
--- a/sources/application/UI/Component/QuickCreate/QuickCreate.php
+++ b/sources/application/UI/Component/QuickCreate/QuickCreate.php
@@ -34,19 +34,19 @@ use UserRights;
 class QuickCreate extends UIBlock
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-quick-create';
-	const HTML_TEMPLATE_REL_PATH = 'components/quick-create/layout';
-	const JS_TEMPLATE_REL_PATH = 'components/quick-create/layout';
-	const JS_FILES_REL_PATH = [
+	public const BLOCK_CODE = 'ibo-quick-create';
+	public const HTML_TEMPLATE_REL_PATH = 'components/quick-create/layout';
+	public const JS_TEMPLATE_REL_PATH = 'components/quick-create/layout';
+	public const JS_FILES_REL_PATH = [
 		'js/selectize.min.js',
 		'js/components/quick-create.js',
 	];
-	const CSS_FILES_REL_PATH = [
+	public const CSS_FILES_REL_PATH = [
 		'css/selectize.default.css',
 	];
 
 	// Specific constants
-	const DEFAULT_ENDPOINT_REL_URL = 'pages/UI.php';
+	public const DEFAULT_ENDPOINT_REL_URL = 'pages/UI.php';
 
 	/** @var array $aAvailableClasses */
 	protected $aAvailableClasses;
diff --git a/sources/application/UI/Component/QuickCreate/QuickCreateHelper.php b/sources/application/UI/Component/QuickCreate/QuickCreateHelper.php
index b6e51bfc4..24e7d7536 100644
--- a/sources/application/UI/Component/QuickCreate/QuickCreateHelper.php
+++ b/sources/application/UI/Component/QuickCreate/QuickCreateHelper.php
@@ -35,8 +35,8 @@ use utils;
  */
 class QuickCreateHelper
 {
-	const MAX_HISTORY_SIZE = 10;
-	const USER_PREF_CODE = 'quick_create_history';
+	public const MAX_HISTORY_SIZE = 10;
+	public const USER_PREF_CODE = 'quick_create_history';
 
 	/**
 	 * Add $sQuery to the history. History is limited to the static::MAX_HISTORY_SIZE last classes.
diff --git a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/ActivityEntry.php b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/ActivityEntry.php
index d807c22df..4e02423f6 100644
--- a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/ActivityEntry.php
+++ b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/ActivityEntry.php
@@ -37,16 +37,16 @@ use UserRights;
 class ActivityEntry extends UIBlock
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-activity-entry';
-	const HTML_TEMPLATE_REL_PATH = 'layouts/activity-panel/activity-entry/layout';
+	public const BLOCK_CODE = 'ibo-activity-entry';
+	public const HTML_TEMPLATE_REL_PATH = 'layouts/activity-panel/activity-entry/layout';
 
 	// Specific constants
 	/** @var string DEFAULT_ORIGIN */
-	const DEFAULT_ORIGIN = 'unknown';
+	public const DEFAULT_ORIGIN = 'unknown';
 	/** @var string DEFAULT_TYPE */
-	const DEFAULT_TYPE = 'generic';
+	public const DEFAULT_TYPE = 'generic';
 	/** @var string DEFAULT_DECORATION_CLASSES */
-	const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-mortar-pestle';
+	public const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-mortar-pestle';
 
 	/** @var string $sType Type of entry, used for filtering (eg. caselog, edits, transition, ...) */
 	protected $sType;
diff --git a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpAttachmentAddedFactory.php b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpAttachmentAddedFactory.php
index 85bff0f40..4eccd717c 100644
--- a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpAttachmentAddedFactory.php
+++ b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpAttachmentAddedFactory.php
@@ -28,5 +28,5 @@ namespace Combodo\iTop\Application\UI\Layout\ActivityPanel\ActivityEntry\CMDBCha
  */
 class CMDBChangeOpAttachmentAddedFactory extends CMDBChangeOpFactory
 {
-	const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-paperclip';
+	public const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-paperclip';
 }
\ No newline at end of file
diff --git a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpAttachmentRemovedFactory.php b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpAttachmentRemovedFactory.php
index adbc3cb73..7c845ff63 100644
--- a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpAttachmentRemovedFactory.php
+++ b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpAttachmentRemovedFactory.php
@@ -30,5 +30,5 @@ use iCMDBChangeOp;
  */
 class CMDBChangeOpAttachmentRemovedFactory extends CMDBChangeOpFactory
 {
-	const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-unlink';
+	public const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-unlink';
 }
\ No newline at end of file
diff --git a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpCreateFactory.php b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpCreateFactory.php
index c9c885c23..9aac639ba 100644
--- a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpCreateFactory.php
+++ b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpCreateFactory.php
@@ -30,7 +30,8 @@ use iCMDBChangeOp;
  */
 class CMDBChangeOpCreateFactory extends CMDBChangeOpFactory
 {
-	const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-unlink';
+	public const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-unlink';
+
 	/**
 	 * @inheritDoc
 	 */
diff --git a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpDeleteFactory.php b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpDeleteFactory.php
index 49594f661..fa2990648 100644
--- a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpDeleteFactory.php
+++ b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpDeleteFactory.php
@@ -30,7 +30,8 @@ use iCMDBChangeOp;
  */
 class CMDBChangeOpDeleteFactory extends CMDBChangeOpFactory
 {
-	const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-unlink';
+	public const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-unlink';
+
 	/**
 	 * @inheritDoc
 	 */
diff --git a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpFactory.php b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpFactory.php
index c845f3311..9852ff82f 100644
--- a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpFactory.php
+++ b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CMDBChangeOp/CMDBChangeOpFactory.php
@@ -37,9 +37,9 @@ use iCMDBChangeOp;
 class CMDBChangeOpFactory
 {
 	/** @var string DEFAULT_TYPE Used to overload the type from the ActivityEntry */
-	const DEFAULT_TYPE = EditsEntry::DEFAULT_TYPE;
+	public const DEFAULT_TYPE = EditsEntry::DEFAULT_TYPE;
 	/** @var string DEFAULT_DECORATION_CLASSES Used to overload the decoration classes from the ActivityEntry */
-	const DEFAULT_DECORATION_CLASSES = ActivityEntry::DEFAULT_DECORATION_CLASSES;
+	public const DEFAULT_DECORATION_CLASSES = ActivityEntry::DEFAULT_DECORATION_CLASSES;
 
 	/**
 	 * Make an ActivityEntry from the iCMDBChangeOp $oChangeOp
diff --git a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CaseLogEntry.php b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CaseLogEntry.php
index 0a8457380..bc11f928f 100644
--- a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CaseLogEntry.php
+++ b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/CaseLogEntry.php
@@ -33,11 +33,11 @@ use DateTime;
 class CaseLogEntry extends ActivityEntry
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-caselog-entry';
-	const HTML_TEMPLATE_REL_PATH = 'layouts/activity-panel/activity-entry/caselog-entry';
+	public const BLOCK_CODE = 'ibo-caselog-entry';
+	public const HTML_TEMPLATE_REL_PATH = 'layouts/activity-panel/activity-entry/caselog-entry';
 
-	const DEFAULT_TYPE = 'caselog';
-	const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-quote-left';
+	public const DEFAULT_TYPE = 'caselog';
+	public const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-quote-left';
 
 	// Specific constants
 	public const DEFAULT_CASELOG_RANK = 0;
diff --git a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/EditsEntry.php b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/EditsEntry.php
index 46a7876bf..02127359b 100644
--- a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/EditsEntry.php
+++ b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/EditsEntry.php
@@ -36,11 +36,11 @@ use MetaModel;
 class EditsEntry extends ActivityEntry
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-edits-entry';
-	const HTML_TEMPLATE_REL_PATH = 'layouts/activity-panel/activity-entry/edits-entry';
+	public const BLOCK_CODE = 'ibo-edits-entry';
+	public const HTML_TEMPLATE_REL_PATH = 'layouts/activity-panel/activity-entry/edits-entry';
 
-	const DEFAULT_TYPE = 'edits';
-	const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-pen';
+	public const DEFAULT_TYPE = 'edits';
+	public const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-pen';
 
 	/** @var string $sObjectClass */
 	protected $sObjectClass;
diff --git a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/TransitionEntry.php b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/TransitionEntry.php
index bf963bab6..5f077d41c 100644
--- a/sources/application/UI/Layout/ActivityPanel/ActivityEntry/TransitionEntry.php
+++ b/sources/application/UI/Layout/ActivityPanel/ActivityEntry/TransitionEntry.php
@@ -33,11 +33,11 @@ use DateTime;
 class TransitionEntry extends ActivityEntry
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-transition-entry';
-	const HTML_TEMPLATE_REL_PATH = 'layouts/activity-panel/activity-entry/transition-entry';
+	public const BLOCK_CODE = 'ibo-transition-entry';
+	public const HTML_TEMPLATE_REL_PATH = 'layouts/activity-panel/activity-entry/transition-entry';
 
-	const DEFAULT_TYPE = 'transition';
-	const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-map-signs';
+	public const DEFAULT_TYPE = 'transition';
+	public const DEFAULT_DECORATION_CLASSES = 'fas fa-fw fa-map-signs';
 
 	/** @var string $sOriginStateCode Code of the state before the transition */
 	protected $sOriginStateCode;
diff --git a/sources/application/UI/Layout/ActivityPanel/ActivityPanel.php b/sources/application/UI/Layout/ActivityPanel/ActivityPanel.php
index 5a6e5455a..c4a6f3635 100644
--- a/sources/application/UI/Layout/ActivityPanel/ActivityPanel.php
+++ b/sources/application/UI/Layout/ActivityPanel/ActivityPanel.php
@@ -38,10 +38,10 @@ use MetaModel;
 class ActivityPanel extends UIBlock
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-activity-panel';
-	const HTML_TEMPLATE_REL_PATH = 'layouts/activity-panel/layout';
-	const JS_TEMPLATE_REL_PATH = 'layouts/activity-panel/layout';
-	const JS_FILES_REL_PATH = [
+	public const BLOCK_CODE = 'ibo-activity-panel';
+	public const HTML_TEMPLATE_REL_PATH = 'layouts/activity-panel/layout';
+	public const JS_TEMPLATE_REL_PATH = 'layouts/activity-panel/layout';
+	public const JS_FILES_REL_PATH = [
 		'js/layouts/activity-panel.js',
 	];
 
diff --git a/sources/application/UI/Layout/NavigationMenu/NavigationMenu.php b/sources/application/UI/Layout/NavigationMenu/NavigationMenu.php
index 38d4f9e42..528c24db1 100644
--- a/sources/application/UI/Layout/NavigationMenu/NavigationMenu.php
+++ b/sources/application/UI/Layout/NavigationMenu/NavigationMenu.php
@@ -43,10 +43,10 @@ use utils;
 class NavigationMenu extends UIBlock
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-navigation-menu';
-	const HTML_TEMPLATE_REL_PATH = 'layouts/navigation-menu/layout';
-	const JS_TEMPLATE_REL_PATH = 'layouts/navigation-menu/layout';
-	const JS_FILES_REL_PATH = [
+	public const BLOCK_CODE = 'ibo-navigation-menu';
+	public const HTML_TEMPLATE_REL_PATH = 'layouts/navigation-menu/layout';
+	public const JS_TEMPLATE_REL_PATH = 'layouts/navigation-menu/layout';
+	public const JS_FILES_REL_PATH = [
 		'js/layouts/navigation-menu.js',
 	];
 
diff --git a/sources/application/UI/Layout/PageContent/PageContent.php b/sources/application/UI/Layout/PageContent/PageContent.php
index aed1b996c..ae6e30407 100644
--- a/sources/application/UI/Layout/PageContent/PageContent.php
+++ b/sources/application/UI/Layout/PageContent/PageContent.php
@@ -35,11 +35,11 @@ use Exception;
 class PageContent extends UIBlock
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-page-content';
-	const HTML_TEMPLATE_REL_PATH = 'layouts/page-content/layout';
+	public const BLOCK_CODE = 'ibo-page-content';
+	public const HTML_TEMPLATE_REL_PATH = 'layouts/page-content/layout';
 
 	/** @var string ENUM_CONTENT_AREA_MAIN The main content area */
-	const ENUM_CONTENT_AREA_MAIN = 'main';
+	public const ENUM_CONTENT_AREA_MAIN = 'main';
 
 	/** @var \Combodo\iTop\Application\UI\iUIBlock[][] $aContentAreasBlocks Blocks for the different content parts of the layout */
 	protected $aContentAreasBlocks;
diff --git a/sources/application/UI/Layout/PageContent/PageContentWithSideContent.php b/sources/application/UI/Layout/PageContent/PageContentWithSideContent.php
index 859c6873d..be2f0480f 100644
--- a/sources/application/UI/Layout/PageContent/PageContentWithSideContent.php
+++ b/sources/application/UI/Layout/PageContent/PageContentWithSideContent.php
@@ -33,11 +33,11 @@ use Combodo\iTop\Application\UI\iUIBlock;
 class PageContentWithSideContent extends PageContent
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-page-content-with-side-content';
-	const HTML_TEMPLATE_REL_PATH = 'layouts/page-content/with-side-content';
+	public const BLOCK_CODE = 'ibo-page-content-with-side-content';
+	public const HTML_TEMPLATE_REL_PATH = 'layouts/page-content/with-side-content';
 
 	// Specific constants
-	const ENUM_CONTENT_AREA_SIDE = 'side';
+	public const ENUM_CONTENT_AREA_SIDE = 'side';
 
 	/**
 	 * PageContentWithSideContent constructor.
diff --git a/sources/application/UI/Layout/TopBar/TopBar.php b/sources/application/UI/Layout/TopBar/TopBar.php
index e5c655190..37ca42053 100644
--- a/sources/application/UI/Layout/TopBar/TopBar.php
+++ b/sources/application/UI/Layout/TopBar/TopBar.php
@@ -36,8 +36,8 @@ use Combodo\iTop\Application\UI\UIBlock;
 class TopBar extends UIBlock
 {
 	// Overloaded constants
-	const BLOCK_CODE = 'ibo-top-bar';
-	const HTML_TEMPLATE_REL_PATH = 'layouts/top-bar/layout';
+	public const BLOCK_CODE = 'ibo-top-bar';
+	public const HTML_TEMPLATE_REL_PATH = 'layouts/top-bar/layout';
 
 	/** @var QuickCreate|null $oQuickCreate */
 	protected $oQuickCreate;
diff --git a/sources/application/UI/UIBlock.php b/sources/application/UI/UIBlock.php
index 75514ed13..879b99a65 100644
--- a/sources/application/UI/UIBlock.php
+++ b/sources/application/UI/UIBlock.php
@@ -33,27 +33,28 @@ abstract class UIBlock implements iUIBlock
 {
 	/** @var string BLOCK_CODE The block code to use to generate the identifier, the CSS/JS prefixes, ...
 	 *
-	 * Should start "ibo-" for the iTop backoffice blocks, followed by the name of the block in lower case (eg. for a MyCustomBlock class, should be "ibo-my-custom-clock")
+	 * Should start "ibo-" for the iTop backoffice blocks, followed by the name of the block in lower case (eg. for a MyCustomBlock class,
+	 * should be "ibo-my-custom-clock")
 	 */
-	const BLOCK_CODE = 'ibo-block';
+	public const BLOCK_CODE = 'ibo-block';
 
 	/** @var string|null GLOBAL_TEMPLATE_REL_PATH Relative path (from <ITOP>/templates/) to the "global" TWIG template which contains HTML, JS inline, JS files, CSS inline, CSS files. Should not be used to often as JS/CSS files would be duplicated making browser parsing time way longer. */
-	const GLOBAL_TEMPLATE_REL_PATH = null;
+	public const GLOBAL_TEMPLATE_REL_PATH = null;
 	/** @var string|null HTML_TEMPLATE_REL_PATH Relative path (from <ITOP>/templates/) to the HTML template */
-	const HTML_TEMPLATE_REL_PATH = null;
+	public const HTML_TEMPLATE_REL_PATH = null;
 	/** @var array JS_FILES_REL_PATH Relative paths (from <ITOP>/) to the JS files */
-	const JS_FILES_REL_PATH = [];
+	public const JS_FILES_REL_PATH = [];
 	/** @var string|null JS_TEMPLATE_REL_PATH Relative path (from <ITOP>/templates/) to the JS template */
-	const JS_TEMPLATE_REL_PATH = null;
+	public const JS_TEMPLATE_REL_PATH = null;
 	/** @var array CSS_FILES_REL_PATH Relative paths (from <ITOP>/) to the CSS files */
-	const CSS_FILES_REL_PATH = [];
+	public const CSS_FILES_REL_PATH = [];
 	/** @var string|null CSS_TEMPLATE_REL_PATH Relative path (from <ITOP>/templates/) to the CSS template */
-	const CSS_TEMPLATE_REL_PATH = null;
+	public const CSS_TEMPLATE_REL_PATH = null;
 
 	/** @var string ENUM_BLOCK_FILES_TYPE_JS */
-	const ENUM_BLOCK_FILES_TYPE_JS = 'js';
+	public const ENUM_BLOCK_FILES_TYPE_JS = 'js';
 	/** @var string ENUM_BLOCK_FILES_TYPE_CSS */
-	const ENUM_BLOCK_FILES_TYPE_CSS = 'css';
+	public const ENUM_BLOCK_FILES_TYPE_CSS = 'css';
 
 
 	/**