Enable "native_constant_invocation" CS rule

Author: nicolas-grekas

Compiler.php

@@ -111,14 +111,14 @@ public function string($value)
     public function repr($value)
     {
         if (\is_int($value) || \is_float($value)) {
-            if (false !== $locale = setlocale(LC_NUMERIC, 0)) {
-                setlocale(LC_NUMERIC, 'C');
+            if (false !== $locale = setlocale(\LC_NUMERIC, 0)) {
+                setlocale(\LC_NUMERIC, 'C');
             }
 
             $this->raw($value);
 
             if (false !== $locale) {
-                setlocale(LC_NUMERIC, $locale);
+                setlocale(\LC_NUMERIC, $locale);
             }
         } elseif (null === $value) {
             $this->raw('null');

ExpressionLanguage.php

@@ -38,7 +38,7 @@ public function __construct($cache = null, array $providers = [])
     {
         if (null !== $cache) {
             if ($cache instanceof ParserCacheInterface) {
-                @trigger_error(sprintf('Passing an instance of %s as constructor argument for %s is deprecated as of 3.2 and will be removed in 4.0. Pass an instance of %s instead.', ParserCacheInterface::class, self::class, CacheItemPoolInterface::class), E_USER_DEPRECATED);
+                @trigger_error(sprintf('Passing an instance of %s as constructor argument for %s is deprecated as of 3.2 and will be removed in 4.0. Pass an instance of %s instead.', ParserCacheInterface::class, self::class, CacheItemPoolInterface::class), \E_USER_DEPRECATED);
                 $cache = new ParserCacheAdapter($cache);
             } elseif (!$cache instanceof CacheItemPoolInterface) {
                 throw new \InvalidArgumentException(sprintf('Cache argument has to implement "%s".', CacheItemPoolInterface::class));

Lexer.php

@@ -45,7 +45,7 @@ public function tokenize($expression)
             if (preg_match('/[0-9]+(?:\.[0-9]+)?/A', $expression, $match, 0, $cursor)) {
                 // numbers
                 $number = (float) $match[0];  // floats
-                if (preg_match('/^[0-9]+$/', $match[0]) && $number <= PHP_INT_MAX) {
+                if (preg_match('/^[0-9]+$/', $match[0]) && $number <= \PHP_INT_MAX) {
                     $number = (int) $match[0]; // integers lower than the maximum
                 }
                 $tokens[] = new Token(Token::NUMBER_TYPE, $number, $cursor + 1);

ParserCache/ArrayParserCache.php

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\ExpressionLanguage\ParserCache;
 
-@trigger_error('The '.__NAMESPACE__.'\ArrayParserCache class is deprecated since Symfony 3.2 and will be removed in 4.0. Use the Symfony\Component\Cache\Adapter\ArrayAdapter class instead.', E_USER_DEPRECATED);
+@trigger_error('The '.__NAMESPACE__.'\ArrayParserCache class is deprecated since Symfony 3.2 and will be removed in 4.0. Use the Symfony\Component\Cache\Adapter\ArrayAdapter class instead.', \E_USER_DEPRECATED);
 
 use Symfony\Component\ExpressionLanguage\ParsedExpression;
 

ParserCache/ParserCacheInterface.php

@@ -11,7 +11,7 @@
 
 namespace Symfony\Component\ExpressionLanguage\ParserCache;
 
-@trigger_error('The '.__NAMESPACE__.'\ParserCacheInterface interface is deprecated since Symfony 3.2 and will be removed in 4.0. Use Psr\Cache\CacheItemPoolInterface instead.', E_USER_DEPRECATED);
+@trigger_error('The '.__NAMESPACE__.'\ParserCacheInterface interface is deprecated since Symfony 3.2 and will be removed in 4.0. Use Psr\Cache\CacheItemPoolInterface instead.', \E_USER_DEPRECATED);
 
 use Symfony\Component\ExpressionLanguage\ParsedExpression;
 

SyntaxError.php

@@ -22,7 +22,7 @@ public function __construct($message, $cursor = 0, $expression = '', $subject =
         $message .= '.';
 
         if (null !== $subject && null !== $proposals) {
-            $minScore = INF;
+            $minScore = \INF;
             foreach ($proposals as $proposal) {
                 $distance = levenshtein($subject, $proposal);
                 if ($distance < $minScore) {

Tests/ExpressionLanguageTest.php

@@ -104,7 +104,7 @@ public function testWrongCacheImplementation()
     public function testConstantFunction()
     {
         $expressionLanguage = new ExpressionLanguage();
-        $this->assertEquals(PHP_VERSION, $expressionLanguage->evaluate('constant("PHP_VERSION")'));
+        $this->assertEquals(\PHP_VERSION, $expressionLanguage->evaluate('constant("PHP_VERSION")'));
 
         $expressionLanguage = new ExpressionLanguage();
         $this->assertEquals('\constant("PHP_VERSION")', $expressionLanguage->compile('constant("PHP_VERSION")'));