Merge branch '2.8' into 3.2

* 2.8:
  Make .travis.yml more readable
  Fold Travis CI output by component
  Add trhows PHPDoc in Application::run
  [Debug] Set exit status to 255 on error
  [HttpFoundation] Store IANA's RNG files in the repository
  [PropertyInfo] Remove a useless call to count() in SerializerExtractor
  [PropertyInfo] Prevent returning int values in some cases.
  [HttpFoundation] Fix getClientIp @return docblock
  Add @throws phpdoc
  unify PHPUnit config files

DebugClassLoader.php

@@ -151,7 +151,7 @@ class DebugClassLoader
 
         $exists = class_exists($class, false) || interface_exists($class, false) || trait_exists($class, false);
 
-        if ('\\' === $class[0]) {
+        if ($class && '\\' === $class[0]) {
             $class = substr($class, 1);
         }
 

ErrorHandler.php

@@ -100,6 +100,7 @@ class ErrorHandler
     private static $stackedErrors = array();
     private static $stackedErrorLevels = array();
     private static $toStringException = null;
+    private static $exitCode = 0;
 
     /**
      * Registers the error handler.
@@ -225,7 +226,7 @@ class ErrorHandler
 
         if ($flush) {
             foreach ($this->bootstrappingLogger->cleanLogs() as $log) {
-                $type = $log[2]['exception']->getSeverity();
+                $type = $log[2]['exception'] instanceof \ErrorException ? $log[2]['exception']->getSeverity() : E_ERROR;
                 if (!isset($flush[$type])) {
                     $this->bootstrappingLogger->log($log[0], $log[1], $log[2]);
                 } elseif ($this->loggers[$type][0]) {
@@ -352,12 +353,10 @@ class ErrorHandler
     /**
      * Handles errors by filtering then logging them according to the configured bit fields.
      *
-     * @param int    $type      One of the E_* constants
+     * @param int    $type    One of the E_* constants
      * @param string $message
      * @param string $file
      * @param int    $line
-     * @param array  $context
-     * @param array  $backtrace
      *
      * @return bool Returns false when no handling happens so that the PHP engine can handle the error itself
      *
@@ -365,7 +364,7 @@ class ErrorHandler
      *
      * @internal
      */
-    public function handleError($type, $message, $file, $line, array $context, array $backtrace = null)
+    public function handleError($type, $message, $file, $line)
     {
         // Level is the current error reporting level to manage silent error.
         // Strong errors are not authorized to be silenced.
@@ -377,9 +376,20 @@ class ErrorHandler
         if (!$type || (!$log && !$throw)) {
             return $type && $log;
         }
+        $scope = $this->scopedErrors & $type;
 
-        if (isset($context['GLOBALS']) && ($this->scopedErrors & $type)) {
-            unset($context['GLOBALS']);
+        if (4 < $numArgs = func_num_args()) {
+            $context = $scope ? (func_get_arg(4) ?: array()) : array();
+            $backtrace = 5 < $numArgs ? func_get_arg(5) : null; // defined on HHVM
+        } else {
+            $context = array();
+            $backtrace = null;
+        }
+
+        if (isset($context['GLOBALS']) && $scope) {
+            $e = $context;                  // Whatever the signature of the method,
+            unset($e['GLOBALS'], $context); // $context is always a reference in 5.3
+            $context = $e;
         }
 
         if (null !== $backtrace && $type & E_ERROR) {
@@ -399,7 +409,7 @@ class ErrorHandler
         } elseif (!$throw && !($type & $level)) {
             $errorAsException = new SilencedErrorContext($type, $file, $line);
         } else {
-            if ($this->scopedErrors & $type) {
+            if ($scope) {
                 $errorAsException = new ContextErrorException($logMessage, 0, $type, $file, $line, $context);
             } else {
                 $errorAsException = new \ErrorException($logMessage, 0, $type, $file, $line);
@@ -502,6 +512,9 @@ class ErrorHandler
      */
     public function handleException($exception, array $error = null)
     {
+        if (null === $error) {
+            self::$exitCode = 255;
+        }
         if (!$exception instanceof \Exception) {
             $exception = new FatalThrowableError($exception);
         }
@@ -580,7 +593,7 @@ class ErrorHandler
             return;
         }
 
-        if (null === $error) {
+        if ($exit = null === $error) {
             $error = error_get_last();
         }
 
@@ -604,15 +617,21 @@ class ErrorHandler
             } else {
                 $exception = new FatalErrorException($handler->levels[$error['type']].': '.$error['message'], 0, $error['type'], $error['file'], $error['line'], 2, true, $trace);
             }
-        } elseif (!isset($exception)) {
-            return;
         }
 
         try {
-            $handler->handleException($exception, $error);
+            if (isset($exception)) {
+                self::$exitCode = 255;
+                $handler->handleException($exception, $error);
+            }
         } catch (FatalErrorException $e) {
             // Ignore this re-throw
         }
+
+        if ($exit && self::$exitCode) {
+            $exitCode = self::$exitCode;
+            register_shutdown_function('register_shutdown_function', function () use ($exitCode) { exit($exitCode); });
+        }
     }
 
     /**

Exception/FlattenException.php

@@ -237,7 +237,7 @@ class FlattenException
                 $result[$key] = array('null', null);
             } elseif (is_bool($value)) {
                 $result[$key] = array('boolean', $value);
-            } elseif (is_integer($value)) {
+            } elseif (is_int($value)) {
                 $result[$key] = array('integer', $value);
             } elseif (is_float($value)) {
                 $result[$key] = array('float', $value);

ExceptionHandler.php

@@ -83,7 +83,7 @@ class ExceptionHandler
     /**
      * Sets the format for links to source files.
      *
-     * @param string|FileLinkFormatter $format The format for links to source files
+     * @param string|FileLinkFormatter $fileLinkFormat The format for links to source files
      *
      * @return string The previous file link format
      */

FatalErrorHandler/ClassNotFoundFatalErrorHandler.php

@@ -173,7 +173,7 @@ class ClassNotFoundFatalErrorHandler implements FatalErrorHandlerInterface
         );
 
         if ($prefix) {
-            $candidates = array_filter($candidates, function ($candidate) use ($prefix) {return 0 === strpos($candidate, $prefix);});
+            $candidates = array_filter($candidates, function ($candidate) use ($prefix) { return 0 === strpos($candidate, $prefix); });
         }
 
         // We cannot use the autoloader here as most of them use require; but if the class

Tests/DebugClassLoaderTest.php

@@ -11,10 +11,11 @@
 
 namespace Symfony\Component\Debug\Tests;
 
+use PHPUnit\Framework\TestCase;
 use Symfony\Component\Debug\DebugClassLoader;
 use Symfony\Component\Debug\ErrorHandler;
 
-class DebugClassLoaderTest extends \PHPUnit_Framework_TestCase
+class DebugClassLoaderTest extends TestCase
 {
     /**
      * @var int Error reporting level before running tests

Tests/ErrorHandlerTest.php

@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\Debug\Tests;
 
+use PHPUnit\Framework\TestCase;
 use Psr\Log\LogLevel;
 use Symfony\Component\Debug\BufferingLogger;
 use Symfony\Component\Debug\ErrorHandler;
@@ -23,7 +24,7 @@ use Symfony\Component\Debug\Exception\SilencedErrorContext;
  * @author Robert Schönthal <seroscho@googlemail.com>
  * @author Nicolas Grekas <p@tchwork.com>
  */
-class ErrorHandlerTest extends \PHPUnit_Framework_TestCase
+class ErrorHandlerTest extends TestCase
 {
     public function testRegister()
     {
@@ -417,6 +418,25 @@ class ErrorHandlerTest extends \PHPUnit_Framework_TestCase
         $handler->setLoggers(array(E_DEPRECATED => array($mockLogger, LogLevel::WARNING)));
     }
 
+    public function testSettingLoggerWhenExceptionIsBuffered()
+    {
+        $bootLogger = new BufferingLogger();
+        $handler = new ErrorHandler($bootLogger);
+
+        $exception = new \Exception('Foo message');
+
+        $mockLogger = $this->getMockBuilder('Psr\Log\LoggerInterface')->getMock();
+        $mockLogger->expects($this->once())
+            ->method('log')
+            ->with(LogLevel::CRITICAL, 'Uncaught Exception: Foo message', array('exception' => $exception));
+
+        $handler->setExceptionHandler(function () use ($handler, $mockLogger) {
+            $handler->setDefaultLogger($mockLogger);
+        });
+
+        $handler->handleException($exception);
+    }
+
     public function testHandleFatalError()
     {
         try {

Tests/Exception/FlattenExceptionTest.php

@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\Debug\Tests\Exception;
 
+use PHPUnit\Framework\TestCase;
 use Symfony\Component\Debug\Exception\FlattenException;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
 use Symfony\Component\HttpKernel\Exception\MethodNotAllowedHttpException;
@@ -27,7 +28,7 @@ use Symfony\Component\HttpKernel\Exception\ServiceUnavailableHttpException;
 use Symfony\Component\HttpKernel\Exception\TooManyRequestsHttpException;
 use Symfony\Component\HttpKernel\Exception\UnsupportedMediaTypeHttpException;
 
-class FlattenExceptionTest extends \PHPUnit_Framework_TestCase
+class FlattenExceptionTest extends TestCase
 {
     public function testStatusCode()
     {

Tests/ExceptionHandlerTest.php

@@ -11,6 +11,7 @@
 
 namespace Symfony\Component\Debug\Tests;
 
+use PHPUnit\Framework\TestCase;
 use Symfony\Component\Debug\ExceptionHandler;
 use Symfony\Component\Debug\Exception\OutOfMemoryException;
 use Symfony\Component\HttpKernel\Exception\NotFoundHttpException;
@@ -18,7 +19,7 @@ use Symfony\Component\HttpKernel\Exception\MethodNotAllowedHttpException;
 
 require_once __DIR__.'/HeaderMock.php';
 
-class ExceptionHandlerTest extends \PHPUnit_Framework_TestCase
+class ExceptionHandlerTest extends TestCase
 {
     protected function setUp()
     {

Tests/FatalErrorHandler/ClassNotFoundFatalErrorHandlerTest.php

@@ -11,13 +11,14 @@
 
 namespace Symfony\Component\Debug\Tests\FatalErrorHandler;
 
+use PHPUnit\Framework\TestCase;
 use Symfony\Component\Debug\Exception\FatalErrorException;
 use Symfony\Component\ClassLoader\ClassLoader as SymfonyClassLoader;
 use Symfony\Component\Debug\FatalErrorHandler\ClassNotFoundFatalErrorHandler;
 use Symfony\Component\Debug\DebugClassLoader;
 use Composer\Autoload\ClassLoader as ComposerClassLoader;
 
-class ClassNotFoundFatalErrorHandlerTest extends \PHPUnit_Framework_TestCase
+class ClassNotFoundFatalErrorHandlerTest extends TestCase
 {
     public static function setUpBeforeClass()
     {

Tests/FatalErrorHandler/UndefinedFunctionFatalErrorHandlerTest.php

@@ -11,10 +11,11 @@
 
 namespace Symfony\Component\Debug\Tests\FatalErrorHandler;
 
+use PHPUnit\Framework\TestCase;
 use Symfony\Component\Debug\Exception\FatalErrorException;
 use Symfony\Component\Debug\FatalErrorHandler\UndefinedFunctionFatalErrorHandler;
 
-class UndefinedFunctionFatalErrorHandlerTest extends \PHPUnit_Framework_TestCase
+class UndefinedFunctionFatalErrorHandlerTest extends TestCase
 {
     /**
      * @dataProvider provideUndefinedFunctionData

Tests/FatalErrorHandler/UndefinedMethodFatalErrorHandlerTest.php

@@ -11,10 +11,11 @@
 
 namespace Symfony\Component\Debug\Tests\FatalErrorHandler;
 
+use PHPUnit\Framework\TestCase;
 use Symfony\Component\Debug\Exception\FatalErrorException;
 use Symfony\Component\Debug\FatalErrorHandler\UndefinedMethodFatalErrorHandler;
 
-class UndefinedMethodFatalErrorHandlerTest extends \PHPUnit_Framework_TestCase
+class UndefinedMethodFatalErrorHandlerTest extends TestCase
 {
     /**
      * @dataProvider provideUndefinedMethodData

phpunit.xml.dist

@@ -5,6 +5,8 @@
          backupGlobals="false"
          colors="true"
          bootstrap="vendor/autoload.php"
+         failOnRisky="true"
+         failOnWarning="true"
 >
     <php>
         <ini name="error_reporting" value="-1" />