2. Replace direct access to PHP superglobals by usage of a specialized class

[agilare]

Like HttpFundation, Aura.Http

Inventaire de l'utilisations des superglobales dans l'application (09.2024) :

• $GLOBALS : unused
• $_SERVER : mostly (over)used with PHP_SELF (for navigation, links), SERVER_PROTOCOL... replace with a Request wrapper
• $_GET : mostly used for entities ids and transmission of navigation prefs (date, page, filtering...)
• $_POST : used in all forms
• $_FILES : used in event, lieu, orga forms
• $_COOKIE : used for rememberme, banner, region
• $_SESSION : widely used to get current user data (id, groupe, region) in order to check user authorizations, apply preferences; flash messages
• $_REQUEST : unused
• $_ENV : only used in API tests