Merge branch '5.1' into 5.2

* 5.1:
  Update .php_cs.dist
  Apply "visibility_required" CS rule to constants

Author: nicolas-grekas

Firewall/SwitchUserListener.php

@@ -39,7 +39,7 @@
  */
 class SwitchUserListener extends AbstractListener
 {
-    const EXIT_VALUE = '_exit';
+    public const EXIT_VALUE = '_exit';
 
     private $tokenStorage;
     private $provider;

RememberMe/AbstractRememberMeServices.php

@@ -33,7 +33,7 @@
  */
 abstract class AbstractRememberMeServices implements RememberMeServicesInterface, LogoutHandlerInterface
 {
-    const COOKIE_DELIMITER = ':';
+    public const COOKIE_DELIMITER = ':';
 
     protected $logger;
     protected $options = [

RememberMe/RememberMeServicesInterface.php

@@ -33,7 +33,7 @@ interface RememberMeServicesInterface
      * This attribute name can be used by the implementation if it needs to set
      * a cookie on the Request when there is no actual Response, yet.
      */
-    const COOKIE_ATTR_NAME = '_security_remember_me_cookie';
+    public const COOKIE_ATTR_NAME = '_security_remember_me_cookie';
 
     /**
      * This method will be called whenever the TokenStorage does not contain

SecurityEvents.php

@@ -25,22 +25,22 @@ final class SecurityEvents
      *
      * @Event("Symfony\Component\Security\Http\Event\InteractiveLoginEvent")
      */
-    const INTERACTIVE_LOGIN = 'security.interactive_login';
+    public const INTERACTIVE_LOGIN = 'security.interactive_login';
 
     /**
      * The SWITCH_USER event occurs before switch to another user and
      * before exit from an already switched user.
      *
      * @Event("Symfony\Component\Security\Http\Event\SwitchUserEvent")
      */
-    const SWITCH_USER = 'security.switch_user';
+    public const SWITCH_USER = 'security.switch_user';
 
     /**
      * Event aliases.
      *
      * These aliases can be consumed by RegisterListenersPass.
      */
-    const ALIASES = [
+    public const ALIASES = [
         InteractiveLoginEvent::class => self::INTERACTIVE_LOGIN,
         SwitchUserEvent::class => self::SWITCH_USER,
     ];

Session/SessionAuthenticationStrategy.php

@@ -26,9 +26,9 @@
  */
 class SessionAuthenticationStrategy implements SessionAuthenticationStrategyInterface
 {
-    const NONE = 'none';
-    const MIGRATE = 'migrate';
-    const INVALIDATE = 'invalidate';
+    public const NONE = 'none';
+    public const MIGRATE = 'migrate';
+    public const INVALIDATE = 'invalidate';
 
     private $strategy;