Enable "native_constant_invocation" CS rule

Author: nicolas-grekas

Authentication/Token/AbstractToken.php

@@ -233,7 +233,7 @@ public function __toString()
     protected function doSerialize($serialized, $isCalledFromOverridingMethod)
     {
         if (null === $isCalledFromOverridingMethod) {
-            $trace = debug_backtrace(DEBUG_BACKTRACE_PROVIDE_OBJECT, 3);
+            $trace = debug_backtrace(\DEBUG_BACKTRACE_PROVIDE_OBJECT, 3);
             $isCalledFromOverridingMethod = isset($trace[2]['function'], $trace[2]['object']) && 'serialize' === $trace[2]['function'] && $this === $trace[2]['object'];
         }
 

Authorization/AccessDecisionManager.php

@@ -62,7 +62,7 @@ public function __construct($voters = [], $strategy = self::STRATEGY_AFFIRMATIVE
      */
     public function setVoters(array $voters)
     {
-        @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 3.3 and will be removed in 4.0. Pass the voters to the constructor instead.', __METHOD__), E_USER_DEPRECATED);
+        @trigger_error(sprintf('The "%s()" method is deprecated since Symfony 3.3 and will be removed in 4.0. Pass the voters to the constructor instead.', __METHOD__), \E_USER_DEPRECATED);
 
         $this->voters = $voters;
     }
@@ -191,7 +191,7 @@ private function vote($voter, TokenInterface $token, $subject, $attributes)
         }
 
         if (method_exists($voter, 'vote')) {
-            @trigger_error(sprintf('Calling vote() on an voter without %1$s is deprecated as of 3.4 and will be removed in 4.0. Implement the %1$s on your voter.', VoterInterface::class), E_USER_DEPRECATED);
+            @trigger_error(sprintf('Calling vote() on an voter without %1$s is deprecated as of 3.4 and will be removed in 4.0. Implement the %1$s on your voter.', VoterInterface::class), \E_USER_DEPRECATED);
 
             // making the assumption that the signature matches
             return $voter->vote($token, $subject, $attributes);

Authorization/TraceableAccessDecisionManager.php

@@ -67,7 +67,7 @@ public function decide(TokenInterface $token, array $attributes, $object = null)
      */
     public function setVoters(array $voters)
     {
-        @trigger_error(sprintf('The %s() method is deprecated since Symfony 3.3 and will be removed in 4.0. Pass voters to the decorated AccessDecisionManager instead.', __METHOD__), E_USER_DEPRECATED);
+        @trigger_error(sprintf('The %s() method is deprecated since Symfony 3.3 and will be removed in 4.0. Pass voters to the decorated AccessDecisionManager instead.', __METHOD__), \E_USER_DEPRECATED);
 
         if (!method_exists($this->manager, 'setVoters')) {
             return;

Encoder/Argon2iPasswordEncoder.php

@@ -26,7 +26,7 @@ public static function isSupported()
             return true;
         }
 
-        return version_compare(\extension_loaded('sodium') ? SODIUM_LIBRARY_VERSION : phpversion('libsodium'), '1.0.9', '>=');
+        return version_compare(\extension_loaded('sodium') ? \SODIUM_LIBRARY_VERSION : phpversion('libsodium'), '1.0.9', '>=');
     }
 
     /**
@@ -79,15 +79,15 @@ public function isPasswordValid($encoded, $raw, $salt)
 
     private function encodePasswordNative($raw)
     {
-        return password_hash($raw, PASSWORD_ARGON2I);
+        return password_hash($raw, \PASSWORD_ARGON2I);
     }
 
     private function encodePasswordSodiumFunction($raw)
     {
         $hash = sodium_crypto_pwhash_str(
             $raw,
-            SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE,
-            SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE
+            \SODIUM_CRYPTO_PWHASH_OPSLIMIT_INTERACTIVE,
+            \SODIUM_CRYPTO_PWHASH_MEMLIMIT_INTERACTIVE
         );
         sodium_memzero($raw);
 

Encoder/BCryptPasswordEncoder.php

@@ -71,7 +71,7 @@ public function encodePassword($raw, $salt)
             // Ignore $salt, the auto-generated one is always the best
         }
 
-        return password_hash($raw, PASSWORD_BCRYPT, $options);
+        return password_hash($raw, \PASSWORD_BCRYPT, $options);
     }
 
     /**

Exception/AuthenticationException.php

@@ -60,7 +60,7 @@ public function serialize()
     protected function doSerialize($serialized, $isCalledFromOverridingMethod)
     {
         if (null === $isCalledFromOverridingMethod) {
-            $trace = debug_backtrace(DEBUG_BACKTRACE_PROVIDE_OBJECT, 3);
+            $trace = debug_backtrace(\DEBUG_BACKTRACE_PROVIDE_OBJECT, 3);
             $isCalledFromOverridingMethod = isset($trace[2]['function'], $trace[2]['object']) && 'serialize' === $trace[2]['function'] && $this === $trace[2]['object'];
         }
 

Exception/NonceExpiredException.php

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\Security\Core\Exception;
 
-@trigger_error(sprintf('The %s class and the whole HTTP digest authentication system is deprecated since Symfony 3.4 and will be removed in 4.0.', NonceExpiredException::class), E_USER_DEPRECATED);
+@trigger_error(sprintf('The %s class and the whole HTTP digest authentication system is deprecated since Symfony 3.4 and will be removed in 4.0.', NonceExpiredException::class), \E_USER_DEPRECATED);
 
 /**
  * NonceExpiredException is thrown when an authentication is rejected because