Merge branch '4.0' into 4.1

* 4.0:
  Enable native_constant_invocation CS fixer

Author: nicolas-grekas

File/File.php

@@ -115,7 +115,7 @@ protected function getTargetFile($directory, $name = null)
             throw new FileException(sprintf('Unable to write in the "%s" directory', $directory));
         }
 
-        $target = rtrim($directory, '/\\').DIRECTORY_SEPARATOR.(null === $name ? $this->getBasename() : $this->getName($name));
+        $target = rtrim($directory, '/\\').\DIRECTORY_SEPARATOR.(null === $name ? $this->getBasename() : $this->getName($name));
 
         return new self($target, false);
     }

File/MimeType/FileBinaryMimeTypeGuesser.php

@@ -49,7 +49,7 @@ public static function isSupported()
             return $supported;
         }
 
-        if ('\\' === DIRECTORY_SEPARATOR || !\function_exists('passthru') || !\function_exists('escapeshellarg')) {
+        if ('\\' === \DIRECTORY_SEPARATOR || !\function_exists('passthru') || !\function_exists('escapeshellarg')) {
             return $supported = false;
         }
 

Request.php

@@ -1766,9 +1766,9 @@ protected function prepareBaseUrl()
             return $prefix;
         }
 
-        if ($baseUrl && false !== $prefix = $this->getUrlencodedPrefix($requestUri, rtrim(\dirname($baseUrl), '/'.DIRECTORY_SEPARATOR).'/')) {
+        if ($baseUrl && false !== $prefix = $this->getUrlencodedPrefix($requestUri, rtrim(\dirname($baseUrl), '/'.\DIRECTORY_SEPARATOR).'/')) {
             // directory portion of $baseUrl matches
-            return rtrim($prefix, '/'.DIRECTORY_SEPARATOR);
+            return rtrim($prefix, '/'.\DIRECTORY_SEPARATOR);
         }
 
         $truncatedRequestUri = $requestUri;
@@ -1789,7 +1789,7 @@ protected function prepareBaseUrl()
             $baseUrl = substr($requestUri, 0, $pos + \strlen($baseUrl));
         }
 
-        return rtrim($baseUrl, '/'.DIRECTORY_SEPARATOR);
+        return rtrim($baseUrl, '/'.\DIRECTORY_SEPARATOR);
     }
 
     /**
@@ -1811,7 +1811,7 @@ protected function prepareBasePath()
             $basePath = $baseUrl;
         }
 
-        if ('\\' === DIRECTORY_SEPARATOR) {
+        if ('\\' === \DIRECTORY_SEPARATOR) {
             $basePath = str_replace('\\', '/', $basePath);
         }
 

Response.php

@@ -370,7 +370,7 @@ public function send()
 
         if (\function_exists('fastcgi_finish_request')) {
             fastcgi_finish_request();
-        } elseif (!\in_array(PHP_SAPI, array('cli', 'phpdbg'), true)) {
+        } elseif (!\in_array(\PHP_SAPI, array('cli', 'phpdbg'), true)) {
             static::closeOutputBuffers(0, true);
         }
 

Tests/File/MimeType/MimeTypeTest.php

@@ -59,7 +59,7 @@ public function testGuessWithIncorrectPath()
 
     public function testGuessWithNonReadablePath()
     {
-        if ('\\' === DIRECTORY_SEPARATOR) {
+        if ('\\' === \DIRECTORY_SEPARATOR) {
             $this->markTestSkipped('Can not verify chmod operations on Windows');
         }