Merge branch '2.8' into 3.0

* 2.8:
  [2.7] Fixed flatten exception recursion with errors
  Embedded identifier support
  Also transform inline mappings to objects
  Change the ExtensionInterface load method definition to bo identical to the documentation.
  add and correct armenian translations
  [Config] Fix array sort on normalization in edge case
  [Security] Run tests on all PHP versions
  [DomCrawler] Revert previous restriction, allow selection of every DOMNode object
  [Serializer] Make metadata interfaces internal
  [Yaml] fix indented line handling in folded blocks
  improve BrowserKit test coverage p1

Debug.php

@@ -31,7 +31,7 @@ class Debug
      * @param int  $errorReportingLevel The level of error reporting you want
      * @param bool $displayErrors       Whether to display errors (for development) or just log them (for production)
      */
-    public static function enable($errorReportingLevel = null, $displayErrors = true)
+    public static function enable($errorReportingLevel = E_ALL, $displayErrors = true)
     {
         if (static::$enabled) {
             return;
@@ -42,7 +42,7 @@ class Debug
         if (null !== $errorReportingLevel) {
             error_reporting($errorReportingLevel);
         } else {
-            error_reporting(-1);
+            error_reporting(E_ALL);
         }
 
         if ('cli' !== php_sapi_name()) {

ErrorHandler.php

@@ -113,8 +113,6 @@ class ErrorHandler
             register_shutdown_function(__CLASS__.'::handleFatalError');
         }
 
-        $levels = -1;
-
         if ($handlerIsNew = null === $handler) {
             $handler = new static();
         }
@@ -131,7 +129,7 @@ class ErrorHandler
             restore_error_handler();
         }
 
-        $handler->throwAt($levels & $handler->thrownErrors, true);
+        $handler->throwAt(E_ALL & $handler->thrownErrors, true);
 
         return $handler;
     }
@@ -151,7 +149,7 @@ class ErrorHandler
      * @param array|int       $levels  An array map of E_* to LogLevel::* or an integer bit field of E_* constants
      * @param bool            $replace Whether to replace or not any existing logger
      */
-    public function setDefaultLogger(LoggerInterface $logger, $levels = null, $replace = false)
+    public function setDefaultLogger(LoggerInterface $logger, $levels = E_ALL, $replace = false)
     {
         $loggers = array();
 
@@ -163,7 +161,7 @@ class ErrorHandler
             }
         } else {
             if (null === $levels) {
-                $levels = E_ALL | E_STRICT;
+                $levels = E_ALL;
             }
             foreach ($this->loggers as $type => $log) {
                 if (($type & $levels) && (empty($log[0]) || $replace || $log[0] === $this->bootstrappingLogger)) {
@@ -255,7 +253,7 @@ class ErrorHandler
     public function throwAt($levels, $replace = false)
     {
         $prev = $this->thrownErrors;
-        $this->thrownErrors = (E_ALL | E_STRICT) & ($levels | E_RECOVERABLE_ERROR | E_USER_ERROR) & ~E_USER_DEPRECATED & ~E_DEPRECATED;
+        $this->thrownErrors = E_ALL & ($levels | E_RECOVERABLE_ERROR | E_USER_ERROR) & ~E_USER_DEPRECATED & ~E_DEPRECATED;
         if (!$replace) {
             $this->thrownErrors |= $prev;
         }

Exception/FlattenException.php

@@ -53,8 +53,13 @@ class FlattenException
         $e->setClass(get_class($exception));
         $e->setFile($exception->getFile());
         $e->setLine($exception->getLine());
-        if ($exception->getPrevious()) {
-            $e->setPrevious(static::create($exception->getPrevious()));
+
+        $previous = $exception->getPrevious();
+
+        if ($previous instanceof \Exception) {
+            $e->setPrevious(static::create($previous));
+        } elseif ($previous instanceof \Throwable) {
+            $e->setPrevious(static::create(new FatalThrowableError($previous)));
         }
 
         return $e;

Tests/DebugClassLoaderTest.php

@@ -26,7 +26,7 @@ class DebugClassLoaderTest extends \PHPUnit_Framework_TestCase
 
     protected function setUp()
     {
-        $this->errorReporting = error_reporting(E_ALL | E_STRICT);
+        $this->errorReporting = error_reporting(E_ALL);
         $this->loader = new ClassLoader();
         spl_autoload_register(array($this->loader, 'loadClass'), true, true);
         DebugClassLoader::enable();

Tests/Exception/FlattenExceptionTest.php

@@ -131,6 +131,20 @@ class FlattenExceptionTest extends \PHPUnit_Framework_TestCase
         $this->assertSame(array($flattened2), $flattened->getAllPrevious());
     }
 
+    /**
+     * @requires PHP 7.0
+     */
+    public function testPreviousError()
+    {
+        $exception = new \Exception('test', 123, new \ParseError('Oh noes!', 42));
+
+        $flattened = FlattenException::create($exception)->getPrevious();
+
+        $this->assertEquals($flattened->getMessage(), 'Parse error: Oh noes!', 'The message is copied from the original exception.');
+        $this->assertEquals($flattened->getCode(), 42, 'The code is copied from the original exception.');
+        $this->assertEquals($flattened->getClass(), 'Symfony\Component\Debug\Exception\FatalThrowableError', 'The class is set to the class of the original exception');
+    }
+
     /**
      * @dataProvider flattenDataProvider
      */