Merge branch '2.3' into 2.4

* 2.3:
  [Debug] fix #10313: FlattenException not found because of https://bugs.php.net/42098

Debug.php

@@ -28,8 +28,8 @@ class Debug
      * If the Symfony ClassLoader component is available, a special
      * class loader is also registered.
      *
-     * @param integer $errorReportingLevel The level of error reporting you want
-     * @param Boolean $displayErrors       Whether to display errors (for development) or just log them (for production)
+     * @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)
     {

DebugClassLoader.php

@@ -110,7 +110,7 @@ class DebugClassLoader
      *
      * @param string $class The name of the class
      *
-     * @return Boolean|null True, if loaded
+     * @return bool|null    True, if loaded
      *
      * @throws \RuntimeException
      */

ErrorHandler.php

@@ -59,8 +59,8 @@ class ErrorHandler
     /**
      * Registers the error handler.
      *
-     * @param integer $level         The level at which the conversion to Exception is done (null to use the error_reporting() value and 0 to disable)
-     * @param Boolean $displayErrors Display errors (for dev environment) or just log them (production usage)
+     * @param int  $level         The level at which the conversion to Exception is done (null to use the error_reporting() value and 0 to disable)
+     * @param bool $displayErrors Display errors (for dev environment) or just log them (production usage)
      *
      * @return ErrorHandler The registered error handler
      */
@@ -81,7 +81,7 @@ class ErrorHandler
     /**
      * Sets the level at which the conversion to Exception is done.
      *
-     * @param integer|null $level The level (null to use the error_reporting() value and 0 to disable)
+     * @param int|null     $level The level (null to use the error_reporting() value and 0 to disable)
      */
     public function setLevel($level)
     {
@@ -91,7 +91,7 @@ class ErrorHandler
     /**
      * Sets the display_errors flag value.
      *
-     * @param integer $displayErrors The display_errors flag value
+     * @param int     $displayErrors The display_errors flag value
      */
     public function setDisplayErrors($displayErrors)
     {
@@ -144,6 +144,13 @@ class ErrorHandler
             if (!class_exists('Symfony\Component\Debug\Exception\ContextErrorException')) {
                 require __DIR__.'/Exception/ContextErrorException.php';
             }
+            if (!class_exists('Symfony\Component\Debug\Exception\FlattenException')) {
+                require __DIR__.'/Exception/FlattenException.php';
+            }
+
+            if (PHP_VERSION_ID < 50400 && isset($context['GLOBALS']) && is_array($context)) {
+                unset($context['GLOBALS']);
+            }
 
             $exception = new ContextErrorException(sprintf('%s: %s in %s line %d', isset($this->levels[$level]) ? $this->levels[$level] : $level, $message, $file, $line), 0, $level, $file, $line, $context);
 

ExceptionHandler.php

@@ -43,7 +43,7 @@ class ExceptionHandler
     /**
      * Registers the exception handler.
      *
-     * @param Boolean $debug
+     * @param bool    $debug
      *
      * @return ExceptionHandler The registered exception handler
      */
@@ -91,9 +91,11 @@ class ExceptionHandler
             $exception = FlattenException::create($exception);
         }
 
-        header(sprintf('HTTP/1.0 %s', $exception->getStatusCode()));
-        foreach ($exception->getHeaders() as $name => $value) {
-            header($name.': '.$value, false);
+        if (!headers_sent()) {
+            header(sprintf('HTTP/1.0 %s', $exception->getStatusCode()));
+            foreach ($exception->getHeaders() as $name => $value) {
+                header($name.': '.$value, false);
+            }
         }
 
         echo $this->decorate($this->getContent($exception), $this->getStylesheet($exception));

FatalErrorHandler/ClassNotFoundFatalErrorHandler.php

@@ -150,7 +150,7 @@ class ClassNotFoundFatalErrorHandler implements FatalErrorHandlerInterface
      */
     private function convertFileToClass($path, $file)
     {
-        $namespacedClass = str_replace(array($path.'/', '.php', '/'), array('', '', '\\'), $file);
+        $namespacedClass = str_replace(array($path.DIRECTORY_SEPARATOR, '.php', '/'), array('', '', '\\'), $file);
         $pearClass = str_replace('\\', '_', $namespacedClass);
 
         // We cannot use the autoloader here as most of them use require; but if the class
@@ -172,7 +172,7 @@ class ClassNotFoundFatalErrorHandler implements FatalErrorHandlerInterface
     /**
      * @param string $class
      *
-     * @return Boolean
+     * @return bool
      */
     private function classExists($class)
     {

Tests/ErrorHandlerTest.php

@@ -181,18 +181,18 @@ PHP
     {
         try {
             $handler = ErrorHandler::register(0);
-            $this->assertFalse($handler->handle(0, 'foo', 'foo.php', 12, 'foo'));
+            $this->assertFalse($handler->handle(0, 'foo', 'foo.php', 12, array()));
 
             restore_error_handler();
 
             $handler = ErrorHandler::register(3);
-            $this->assertFalse($handler->handle(4, 'foo', 'foo.php', 12, 'foo'));
+            $this->assertFalse($handler->handle(4, 'foo', 'foo.php', 12, array()));
 
             restore_error_handler();
 
             $handler = ErrorHandler::register(3);
             try {
-                $handler->handle(111, 'foo', 'foo.php', 12, 'foo');
+                $handler->handle(111, 'foo', 'foo.php', 12, array());
             } catch (\ErrorException $e) {
                 $this->assertSame('111: foo in foo.php line 12', $e->getMessage());
                 $this->assertSame(111, $e->getSeverity());
@@ -203,12 +203,12 @@ PHP
             restore_error_handler();
 
             $handler = ErrorHandler::register(E_USER_DEPRECATED);
-            $this->assertTrue($handler->handle(E_USER_DEPRECATED, 'foo', 'foo.php', 12, 'foo'));
+            $this->assertTrue($handler->handle(E_USER_DEPRECATED, 'foo', 'foo.php', 12, array()));
 
             restore_error_handler();
 
             $handler = ErrorHandler::register(E_DEPRECATED);
-            $this->assertTrue($handler->handle(E_DEPRECATED, 'foo', 'foo.php', 12, 'foo'));
+            $this->assertTrue($handler->handle(E_DEPRECATED, 'foo', 'foo.php', 12, array()));
 
             restore_error_handler();
 
@@ -231,7 +231,7 @@ PHP
 
             $handler = ErrorHandler::register(E_USER_DEPRECATED);
             $handler->setLogger($logger);
-            $handler->handle(E_USER_DEPRECATED, 'foo', 'foo.php', 12, 'foo');
+            $handler->handle(E_USER_DEPRECATED, 'foo', 'foo.php', 12, array());
 
             restore_error_handler();
         } catch (\Exception $e) {

Tests/Exception/FlattenExceptionTest.php

@@ -113,7 +113,7 @@ class FlattenExceptionTest extends \PHPUnit_Framework_TestCase
 
         $this->assertEquals($exception->getMessage(), $flattened->getMessage(), 'The message is copied from the original exception.');
         $this->assertEquals($exception->getCode(), $flattened->getCode(), 'The code is copied from the original exception.');
-        $this->assertEquals(get_class($exception), $flattened->getClass(), 'The class is set to the class of the original exception');
+        $this->assertInstanceOf($flattened->getClass(), $exception, 'The class is set to the class of the original exception');
 
     }