diff --git a/composer.json b/composer.json
index 6767026eb3..d5df1392b8 100644
--- a/composer.json
+++ b/composer.json
@@ -75,7 +75,7 @@
         "monolog/monolog": "~1.11",
         "propel/propel1": "~1.6",
         "ircmaxell/password-compat": "~1.0",
-        "ocramius/proxy-manager": ">=0.3.1,<0.6-dev",
+        "ocramius/proxy-manager": "~0.3.1",
         "egulias/email-validator": "~1.2"
     },
     "autoload": {
diff --git a/src/Symfony/Bridge/ProxyManager/composer.json b/src/Symfony/Bridge/ProxyManager/composer.json
index d7e7139093..bdce61ee87 100644
--- a/src/Symfony/Bridge/ProxyManager/composer.json
+++ b/src/Symfony/Bridge/ProxyManager/composer.json
@@ -18,7 +18,7 @@
     "require": {
         "php": ">=5.3.3",
         "symfony/dependency-injection": "~2.3",
-        "ocramius/proxy-manager": ">=0.3.1,<0.6-dev"
+        "ocramius/proxy-manager": "~0.3.1"
     },
     "require-dev": {
         "symfony/config": "~2.3"
diff --git a/src/Symfony/Bundle/FrameworkBundle/Templating/TemplateNameParser.php b/src/Symfony/Bundle/FrameworkBundle/Templating/TemplateNameParser.php
index 8481dc78e7..5730807fac 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Templating/TemplateNameParser.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Templating/TemplateNameParser.php
@@ -11,9 +11,9 @@
 
 namespace Symfony\Bundle\FrameworkBundle\Templating;
 
-use Symfony\Component\Templating\TemplateNameParserInterface;
 use Symfony\Component\Templating\TemplateReferenceInterface;
 use Symfony\Component\HttpKernel\KernelInterface;
+use Symfony\Component\Templating\TemplateNameParser as BaseTemplateNameParser;
 
 /**
  * TemplateNameParser converts template names from the short notation
@@ -22,7 +22,7 @@ use Symfony\Component\HttpKernel\KernelInterface;
  *
  * @author Fabien Potencier <fabien@symfony.com>
  */
-class TemplateNameParser implements TemplateNameParserInterface
+class TemplateNameParser extends BaseTemplateNameParser
 {
     protected $kernel;
     protected $cache = array();
@@ -56,7 +56,7 @@ class TemplateNameParser implements TemplateNameParserInterface
         }
 
         if (!preg_match('/^([^:]*):([^:]*):(.+)\.([^\.]+)\.([^\.]+)$/', $name, $matches)) {
-            throw new \InvalidArgumentException(sprintf('Template name "%s" is not valid (format is "bundle:section:template.format.engine").', $name));
+            return parent::parse($name);
         }
 
         $template = new TemplateReference($matches[1], $matches[2], $matches[3], $matches[4], $matches[5]);
diff --git a/src/Symfony/Bundle/FrameworkBundle/Test/KernelTestCase.php b/src/Symfony/Bundle/FrameworkBundle/Test/KernelTestCase.php
index ba83a547e1..90255f85fa 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Test/KernelTestCase.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Test/KernelTestCase.php
@@ -141,7 +141,7 @@ abstract class KernelTestCase extends \PHPUnit_Framework_TestCase
         static::$kernel->boot();
     }
 
-   /**
+    /**
      * Creates a Kernel.
      *
      * Available options:
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/app/AppKernel.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/app/AppKernel.php
index 12747e6dc2..30bfc56a11 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/app/AppKernel.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Functional/app/AppKernel.php
@@ -105,7 +105,8 @@ class AppKernel extends Kernel
 
     public function unserialize($str)
     {
-        call_user_func_array(array($this, '__construct'), unserialize($str));
+        $a = unserialize($str);
+        $this->__construct($a[0], $a[1], $a[2], $a[3]);
     }
 
     protected function getKernelParameters()
diff --git a/src/Symfony/Bundle/FrameworkBundle/Tests/Templating/TemplateNameParserTest.php b/src/Symfony/Bundle/FrameworkBundle/Tests/Templating/TemplateNameParserTest.php
index 2a1544c91b..ca10c3a8fe 100644
--- a/src/Symfony/Bundle/FrameworkBundle/Tests/Templating/TemplateNameParserTest.php
+++ b/src/Symfony/Bundle/FrameworkBundle/Tests/Templating/TemplateNameParserTest.php
@@ -14,6 +14,7 @@ namespace Symfony\Bundle\FrameworkBundle\Tests\Templating;
 use Symfony\Bundle\FrameworkBundle\Tests\TestCase;
 use Symfony\Bundle\FrameworkBundle\Templating\TemplateNameParser;
 use Symfony\Bundle\FrameworkBundle\Templating\TemplateReference;
+use Symfony\Component\Templating\TemplateReference as BaseTemplateReference;
 
 class TemplateNameParserTest extends TestCase
 {
@@ -63,25 +64,17 @@ class TemplateNameParserTest extends TestCase
             array(':Post:index.html.php', new TemplateReference('', 'Post', 'index', 'html', 'php')),
             array('::index.html.php', new TemplateReference('', '', 'index', 'html', 'php')),
             array('FooBundle:Post:foo.bar.index.html.php', new TemplateReference('FooBundle', 'Post', 'foo.bar.index', 'html', 'php')),
+            array('/path/to/section/name.php', new BaseTemplateReference('/path/to/section/name.php', 'php')),
+            array('name.twig', new BaseTemplateReference('name.twig', 'twig')),
+            array('name', new BaseTemplateReference('name')),
         );
     }
 
     /**
-     * @dataProvider      getInvalidLogicalNameProvider
      * @expectedException \InvalidArgumentException
      */
-    public function testParseInvalidName($name)
+    public function testParseValidNameWithNotFoundBundle()
     {
-        $this->parser->parse($name);
-    }
-
-    public function getInvalidLogicalNameProvider()
-    {
-        return array(
-            array('BarBundle:Post:index.html.php'),
-            array('FooBundle:Post:index'),
-            array('FooBundle:Post'),
-            array('FooBundle:Post:foo:bar'),
-        );
+        $this->parser->parse('BarBundle:Post:index.html.php');
     }
 }
diff --git a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
index bf64d93342..f3e1430ce9 100644
--- a/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
+++ b/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php
@@ -513,6 +513,7 @@ class SecurityExtension extends Extension
     {
         $name = $this->getUserProviderId(strtolower($name));
 
+        // Doctrine Entity and In-memory DAO provider are managed by factories
         foreach ($this->userProviderFactories as $factory) {
             $key = str_replace('-', '_', $factory->getKey());
 
@@ -539,37 +540,12 @@ class SecurityExtension extends Extension
 
             $container
                 ->setDefinition($name, new DefinitionDecorator('security.user.provider.chain'))
-                ->addArgument($providers)
-            ;
+                ->addArgument($providers);
 
             return $name;
         }
 
-        // Doctrine Entity DAO provider
-        if (isset($provider['entity'])) {
-            $container
-                ->setDefinition($name, new DefinitionDecorator('security.user.provider.entity'))
-                ->addArgument($provider['entity']['class'])
-                ->addArgument($provider['entity']['property'])
-            ;
-
-            return $name;
-        }
-
-        // In-memory DAO provider
-        $definition = $container->setDefinition($name, new DefinitionDecorator('security.user.provider.in_memory'));
-        foreach ($provider['users'] as $username => $user) {
-            $userId = $name.'_'.$username;
-
-            $container
-                ->setDefinition($userId, new DefinitionDecorator('security.user.provider.in_memory.user'))
-                ->setArguments(array($username, (string) $user['password'], $user['roles']))
-            ;
-
-            $definition->addMethodCall('createUser', array(new Reference($userId)));
-        }
-
-        return $name;
+        throw new InvalidConfigurationException(sprintf('Unable to create definition for "%s" user provider', $name));
     }
 
     private function getUserProviderId($name)
diff --git a/src/Symfony/Bundle/SecurityBundle/Tests/DependencyInjection/Fixtures/UserProvider/DummyProvider.php b/src/Symfony/Bundle/SecurityBundle/Tests/DependencyInjection/Fixtures/UserProvider/DummyProvider.php
new file mode 100644
index 0000000000..f40f11c3cc
--- /dev/null
+++ b/src/Symfony/Bundle/SecurityBundle/Tests/DependencyInjection/Fixtures/UserProvider/DummyProvider.php
@@ -0,0 +1,25 @@
+<?php
+
+namespace Symfony\Bundle\SecurityBundle\Tests\DependencyInjection\Fixtures\UserProvider;
+
+use Symfony\Bundle\SecurityBundle\DependencyInjection\Security\UserProvider\UserProviderFactoryInterface;
+use Symfony\Component\Config\Definition\Builder\NodeDefinition;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+
+class DummyProvider implements UserProviderFactoryInterface
+{
+    public function create(ContainerBuilder $container, $id, $config)
+    {
+        
+    }
+
+    public function getKey()
+    {
+        return 'foo';
+    }
+
+    public function addConfiguration(NodeDefinition $node)
+    {
+        
+    }
+}
diff --git a/src/Symfony/Bundle/SecurityBundle/Tests/DependencyInjection/SecurityExtensionTest.php b/src/Symfony/Bundle/SecurityBundle/Tests/DependencyInjection/SecurityExtensionTest.php
index b63a0563a5..1898056703 100644
--- a/src/Symfony/Bundle/SecurityBundle/Tests/DependencyInjection/SecurityExtensionTest.php
+++ b/src/Symfony/Bundle/SecurityBundle/Tests/DependencyInjection/SecurityExtensionTest.php
@@ -13,6 +13,7 @@ namespace Symfony\Bundle\SecurityBundle\Tests\DependencyInjection;
 
 use Symfony\Bundle\SecurityBundle\DependencyInjection\SecurityExtension;
 use Symfony\Bundle\SecurityBundle\SecurityBundle;
+use Symfony\Bundle\SecurityBundle\Tests\DependencyInjection\Fixtures\UserProvider\DummyProvider;
 use Symfony\Component\DependencyInjection\ContainerBuilder;
 
 class SecurityExtensionTest extends \PHPUnit_Framework_TestCase
@@ -66,6 +67,33 @@ class SecurityExtensionTest extends \PHPUnit_Framework_TestCase
         $container->compile();
     }
 
+    /**
+     * @expectedException \Symfony\Component\Config\Definition\Exception\InvalidConfigurationException
+     * @expectedExceptionMessage Unable to create definition for "security.user.provider.concrete.my_foo" user provider
+     */
+    public function testFirewallWithInvalidUserProvider()
+    {
+        $container = $this->getRawContainer();
+
+        $extension = $container->getExtension('security');
+        $extension->addUserProviderFactory(new DummyProvider());
+
+        $container->loadFromExtension('security', array(
+            'providers' => array(
+                'my_foo' => array('foo' => []),
+            ),
+
+            'firewalls' => array(
+                'some_firewall' => array(
+                    'pattern' => '/.*',
+                    'http_basic' => [],
+                ),
+            ),
+        ));
+
+        $container->compile();
+    }
+
     protected function getRawContainer()
     {
         $container = new ContainerBuilder();
diff --git a/src/Symfony/Bundle/SecurityBundle/Tests/Functional/app/AppKernel.php b/src/Symfony/Bundle/SecurityBundle/Tests/Functional/app/AppKernel.php
index 57816ccef9..dfce6e4a6c 100644
--- a/src/Symfony/Bundle/SecurityBundle/Tests/Functional/app/AppKernel.php
+++ b/src/Symfony/Bundle/SecurityBundle/Tests/Functional/app/AppKernel.php
@@ -105,7 +105,8 @@ class AppKernel extends Kernel
 
     public function unserialize($str)
     {
-        call_user_func_array(array($this, '__construct'), unserialize($str));
+        $a = unserialize($str);
+        $this->__construct($a[0], $a[1], $a[2], $a[3]);
     }
 
     protected function getKernelParameters()
diff --git a/src/Symfony/Bundle/WebProfilerBundle/Resources/config/routing/profiler.xml b/src/Symfony/Bundle/WebProfilerBundle/Resources/config/routing/profiler.xml
index 69f934e53f..d9708f9c50 100644
--- a/src/Symfony/Bundle/WebProfilerBundle/Resources/config/routing/profiler.xml
+++ b/src/Symfony/Bundle/WebProfilerBundle/Resources/config/routing/profiler.xml
@@ -4,47 +4,47 @@
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://symfony.com/schema/routing http://symfony.com/schema/routing/routing-1.0.xsd">
 
-    <route id="_profiler_home" pattern="/">
+    <route id="_profiler_home" path="/">
         <default key="_controller">web_profiler.controller.profiler:homeAction</default>
     </route>
 
-    <route id="_profiler_search" pattern="/search">
+    <route id="_profiler_search" path="/search">
         <default key="_controller">web_profiler.controller.profiler:searchAction</default>
     </route>
 
-    <route id="_profiler_search_bar" pattern="/search_bar">
+    <route id="_profiler_search_bar" path="/search_bar">
         <default key="_controller">web_profiler.controller.profiler:searchBarAction</default>
     </route>
 
-    <route id="_profiler_purge" pattern="/purge">
+    <route id="_profiler_purge" path="/purge">
         <default key="_controller">web_profiler.controller.profiler:purgeAction</default>
     </route>
 
-    <route id="_profiler_info" pattern="/info/{about}">
+    <route id="_profiler_info" path="/info/{about}">
         <default key="_controller">web_profiler.controller.profiler:infoAction</default>
     </route>
 
-    <route id="_profiler_phpinfo" pattern="/phpinfo">
+    <route id="_profiler_phpinfo" path="/phpinfo">
         <default key="_controller">web_profiler.controller.profiler:phpinfoAction</default>
     </route>
 
-    <route id="_profiler_search_results" pattern="/{token}/search/results">
+    <route id="_profiler_search_results" path="/{token}/search/results">
         <default key="_controller">web_profiler.controller.profiler:searchResultsAction</default>
     </route>
 
-    <route id="_profiler" pattern="/{token}">
+    <route id="_profiler" path="/{token}">
         <default key="_controller">web_profiler.controller.profiler:panelAction</default>
     </route>
 
-    <route id="_profiler_router" pattern="/{token}/router">
+    <route id="_profiler_router" path="/{token}/router">
         <default key="_controller">web_profiler.controller.router:panelAction</default>
     </route>
 
-    <route id="_profiler_exception" pattern="/{token}/exception">
+    <route id="_profiler_exception" path="/{token}/exception">
         <default key="_controller">web_profiler.controller.exception:showAction</default>
     </route>
 
-    <route id="_profiler_exception_css" pattern="/{token}/exception.css">
+    <route id="_profiler_exception_css" path="/{token}/exception.css">
         <default key="_controller">web_profiler.controller.exception:cssAction</default>
     </route>
 
diff --git a/src/Symfony/Bundle/WebProfilerBundle/Resources/config/routing/wdt.xml b/src/Symfony/Bundle/WebProfilerBundle/Resources/config/routing/wdt.xml
index 5f6851c9ff..1027ce42f6 100644
--- a/src/Symfony/Bundle/WebProfilerBundle/Resources/config/routing/wdt.xml
+++ b/src/Symfony/Bundle/WebProfilerBundle/Resources/config/routing/wdt.xml
@@ -4,7 +4,7 @@
     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
     xsi:schemaLocation="http://symfony.com/schema/routing http://symfony.com/schema/routing/routing-1.0.xsd">
 
-    <route id="_wdt" pattern="/{token}">
+    <route id="_wdt" path="/{token}">
         <default key="_controller">web_profiler.controller.profiler:toolbarAction</default>
     </route>
 </routes>
diff --git a/src/Symfony/Component/Config/Definition/Builder/ExprBuilder.php b/src/Symfony/Component/Config/Definition/Builder/ExprBuilder.php
index 7cbddc6cf3..885863bbb6 100644
--- a/src/Symfony/Component/Config/Definition/Builder/ExprBuilder.php
+++ b/src/Symfony/Component/Config/Definition/Builder/ExprBuilder.php
@@ -225,8 +225,10 @@ class ExprBuilder
     {
         foreach ($expressions as $k => $expr) {
             if ($expr instanceof ExprBuilder) {
-                $expressions[$k] = function ($v) use ($expr) {
-                    return call_user_func($expr->ifPart, $v) ? call_user_func($expr->thenPart, $v) : $v;
+                $if = $expr->ifPart;
+                $then = $expr->thenPart;
+                $expressions[$k] = function ($v) use ($if, $then) {
+                    return $if($v) ? $then($v) : $v;
                 };
             }
         }
diff --git a/src/Symfony/Component/Config/Definition/VariableNode.php b/src/Symfony/Component/Config/Definition/VariableNode.php
index 4f42dda3a6..2ab7a45b6b 100644
--- a/src/Symfony/Component/Config/Definition/VariableNode.php
+++ b/src/Symfony/Component/Config/Definition/VariableNode.php
@@ -49,7 +49,9 @@ class VariableNode extends BaseNode implements PrototypeNodeInterface
      */
     public function getDefaultValue()
     {
-        return $this->defaultValue instanceof \Closure ? call_user_func($this->defaultValue) : $this->defaultValue;
+        $v = $this->defaultValue;
+
+        return $v instanceof \Closure ? $v() : $v;
     }
 
     /**
diff --git a/src/Symfony/Component/Config/Exception/FileLoaderImportCircularReferenceException.php b/src/Symfony/Component/Config/Exception/FileLoaderImportCircularReferenceException.php
index b1ad4420dc..6a3b01cfbe 100644
--- a/src/Symfony/Component/Config/Exception/FileLoaderImportCircularReferenceException.php
+++ b/src/Symfony/Component/Config/Exception/FileLoaderImportCircularReferenceException.php
@@ -22,6 +22,6 @@ class FileLoaderImportCircularReferenceException extends FileLoaderLoadException
     {
         $message = sprintf('Circular reference detected in "%s" ("%s" > "%s").', $this->varToString($resources[0]), implode('" > "', $resources), $resources[0]);
 
-        call_user_func('Exception::__construct', $message, $code, $previous);
+        \Exception::__construct($message, $code, $previous);
     }
 }
diff --git a/src/Symfony/Component/Console/Tests/ApplicationTest.php b/src/Symfony/Component/Console/Tests/ApplicationTest.php
index 49d94e2b28..27cf58775e 100644
--- a/src/Symfony/Component/Console/Tests/ApplicationTest.php
+++ b/src/Symfony/Component/Console/Tests/ApplicationTest.php
@@ -994,7 +994,6 @@ class ApplicationTest extends \PHPUnit_Framework_TestCase
         $tester = new ApplicationTester($application);
         $tester->run(array('command' => 'help'));
 
-        $this->assertTrue($tester->getInput()->isInteractive());
         $this->assertFalse($tester->getInput()->hasParameterOption(array('--no-interaction', '-n')));
 
         $inputStream = $application->getHelperSet()->get('question')->getInputStream();
diff --git a/src/Symfony/Component/Debug/FatalErrorHandler/ClassNotFoundFatalErrorHandler.php b/src/Symfony/Component/Debug/FatalErrorHandler/ClassNotFoundFatalErrorHandler.php
index 2b37ee9994..0ba0bd4483 100644
--- a/src/Symfony/Component/Debug/FatalErrorHandler/ClassNotFoundFatalErrorHandler.php
+++ b/src/Symfony/Component/Debug/FatalErrorHandler/ClassNotFoundFatalErrorHandler.php
@@ -119,7 +119,7 @@ class ClassNotFoundFatalErrorHandler implements FatalErrorHandlerInterface
             }
         }
 
-        return $classes;
+        return array_unique($classes);
     }
 
     /**
diff --git a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
index 11cae7a97a..3c318a656b 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
@@ -115,17 +115,19 @@ class PhpDumper extends Dumper
         ), $options);
 
         if (!empty($options['file']) && is_dir($dir = dirname($options['file']))) {
-            // Build a regexp where the first two root dirs are mandatory,
+            // Build a regexp where the first root dirs are mandatory,
             // but every other sub-dir is optional up to the full path in $dir
+            // Mandate at least 2 root dirs and not more that 5 optional dirs.
 
             $dir = explode(DIRECTORY_SEPARATOR, realpath($dir));
             $i = count($dir);
 
             if (3 <= $i) {
                 $regex = '';
-                $this->targetDirMaxMatches = $i - 3;
+                $lastOptionalDir = $i > 8 ? $i - 5 : 3;
+                $this->targetDirMaxMatches = $i - $lastOptionalDir;
 
-                while (2 < --$i) {
+                while (--$i >= $lastOptionalDir) {
                     $regex = sprintf('(%s%s)?', preg_quote(DIRECTORY_SEPARATOR.$dir[$i], '#'), $regex);
                 }
 
@@ -824,6 +826,7 @@ $bagClass
 class $class extends $baseClass
 {
     private \$parameters;
+    private \$targetDirs = array();
 
 EOF;
     }
@@ -835,7 +838,8 @@ EOF;
      */
     private function addConstructor()
     {
-        $parameters = $this->exportParameters($this->container->getParameterBag()->all());
+        $targetDirs = $this->exportTargetDirs();
+        $arguments = $this->container->getParameterBag()->all() ? 'new ParameterBag($this->getDefaultParameters())' : null;
 
         $code = <<<EOF
 
@@ -843,10 +847,8 @@ EOF;
      * Constructor.
      */
     public function __construct()
-    {
-        \$this->parameters = $parameters;
-
-        parent::__construct(new ParameterBag(\$this->parameters));
+    {{$targetDirs}
+        parent::__construct($arguments);
 
 EOF;
 
@@ -874,7 +876,7 @@ EOF;
      */
     private function addFrozenConstructor()
     {
-        $parameters = $this->exportParameters($this->container->getParameterBag()->all());
+        $targetDirs = $this->exportTargetDirs();
 
         $code = <<<EOF
 
@@ -882,11 +884,18 @@ EOF;
      * Constructor.
      */
     public function __construct()
-    {
+    {{$targetDirs}
+EOF;
+
+        if ($this->container->getParameterBag()->all()) {
+            $code .= "\n        \$this->parameters = \$this->getDefaultParameters();\n";
+        }
+
+        $code .= <<<EOF
+
         \$this->services =
         \$this->scopedServices =
         \$this->scopeStacks = array();
-        \$this->parameters = $parameters;
 
         \$this->set('service_container', \$this);
 
@@ -991,6 +1000,8 @@ EOF;
             return '';
         }
 
+        $parameters = $this->exportParameters($this->container->getParameterBag()->all());
+
         $code = '';
         if ($this->container->isFrozen()) {
             $code .= <<<EOF
@@ -1042,6 +1053,20 @@ EOF;
 EOF;
         }
 
+        $code .= <<<EOF
+
+    /**
+     * Gets the default parameters.
+     *
+     * @return array An array of the default parameters
+     */
+    protected function getDefaultParameters()
+    {
+        return $parameters;
+    }
+
+EOF;
+
         return $code;
     }
 
@@ -1474,6 +1499,17 @@ EOF;
         return $this->expressionLanguage;
     }
 
+    private function exportTargetDirs()
+    {
+        return null === $this->targetDirRegex ? '' : <<<EOF
+
+        \$dir = __DIR__;
+        for (\$i = 1; \$i <= {$this->targetDirMaxMatches}; ++\$i) {
+            \$this->targetDirs[\$i] = \$dir = dirname(\$dir);
+        }
+EOF;
+    }
+
     private function export($value)
     {
         if (null !== $this->targetDirRegex && is_string($value) && preg_match($this->targetDirRegex, $value, $matches, PREG_OFFSET_CAPTURE)) {
@@ -1482,8 +1518,8 @@ EOF;
             $suffix = isset($value[$suffix]) ? '.'.var_export(substr($value, $suffix), true) : '';
             $dirname = '__DIR__';
 
-            for ($i = $this->targetDirMaxMatches - count($matches); 0 <= $i; --$i) {
-                $dirname = sprintf('dirname(%s)', $dirname);
+            if (0 < $offset = 1 + $this->targetDirMaxMatches - count($matches)) {
+                $dirname = sprintf('$this->targetDirs[%d]', $offset);
             }
 
             if ($prefix || $suffix) {
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php b/src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php
index 4223a19f80..882c5d8a12 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Dumper/PhpDumperTest.php
@@ -70,13 +70,14 @@ class PhpDumperTest extends \PHPUnit_Framework_TestCase
         $definition = new Definition();
         $definition->setClass('stdClass');
         $definition->addArgument('%foo%');
-        $definition->addArgument(array('%foo%' => '%foo%'));
+        $definition->addArgument(array('%foo%' => '%buz%/'));
 
         $container = new ContainerBuilder();
         $container->setDefinition('test', $definition);
         $container->setParameter('foo', 'wiz'.dirname(dirname(__FILE__)));
         $container->setParameter('bar', dirname(__FILE__));
         $container->setParameter('baz', '%bar%/PhpDumperTest.php');
+        $container->setParameter('buz', dirname(dirname(__DIR__)));
         $container->compile();
 
         $dumper = new PhpDumper($container);
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1-1.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1-1.php
index c2b50948a4..116d7dfe70 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1-1.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1-1.php
@@ -18,16 +18,13 @@ use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
 class Container extends AbstractContainer
 {
     private $parameters;
+    private $targetDirs = array();
 
     /**
      * Constructor.
      */
     public function __construct()
     {
-        $this->parameters = array(
-
-        );
-
-        parent::__construct(new ParameterBag($this->parameters));
+        parent::__construct();
     }
 }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1.php
index 23d367f1f9..90b59ff4eb 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services1.php
@@ -17,16 +17,13 @@ use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
 class ProjectServiceContainer extends Container
 {
     private $parameters;
+    private $targetDirs = array();
 
     /**
      * Constructor.
      */
     public function __construct()
     {
-        $this->parameters = array(
-
-        );
-
-        parent::__construct(new ParameterBag($this->parameters));
+        parent::__construct();
     }
 }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services10.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services10.php
index 3b504c9dd5..2079bee130 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services10.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services10.php
@@ -17,19 +17,18 @@ use Symfony\Component\DependencyInjection\ParameterBag\FrozenParameterBag;
 class ProjectServiceContainer extends Container
 {
     private $parameters;
+    private $targetDirs = array();
 
     /**
      * Constructor.
      */
     public function __construct()
     {
+        $this->parameters = $this->getDefaultParameters();
+
         $this->services =
         $this->scopedServices =
         $this->scopeStacks = array();
-        $this->parameters = array(
-            'empty_value' => '',
-            'some_string' => '-',
-        );
 
         $this->set('service_container', $this);
 
@@ -106,4 +105,17 @@ class ProjectServiceContainer extends Container
 
         return $this->parameterBag;
     }
+
+    /**
+     * Gets the default parameters.
+     *
+     * @return array An array of the default parameters
+     */
+    protected function getDefaultParameters()
+    {
+        return array(
+            'empty_value' => '',
+            'some_string' => '-',
+        );
+    }
 }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services12.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services12.php
index 1d7ac85d7b..5a371a048a 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services12.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services12.php
@@ -17,20 +17,22 @@ use Symfony\Component\DependencyInjection\ParameterBag\FrozenParameterBag;
 class ProjectServiceContainer extends Container
 {
     private $parameters;
+    private $targetDirs = array();
 
     /**
      * Constructor.
      */
     public function __construct()
     {
+        $dir = __DIR__;
+        for ($i = 1; $i <= 5; ++$i) {
+            $this->targetDirs[$i] = $dir = dirname($dir);
+        }
+        $this->parameters = $this->getDefaultParameters();
+
         $this->services =
         $this->scopedServices =
         $this->scopeStacks = array();
-        $this->parameters = array(
-            'foo' => ('wiz'.dirname(__DIR__)),
-            'bar' => __DIR__,
-            'baz' => (__DIR__.'/PhpDumperTest.php'),
-        );
 
         $this->set('service_container', $this);
 
@@ -61,7 +63,7 @@ class ProjectServiceContainer extends Container
      */
     protected function getTestService()
     {
-        return $this->services['test'] = new \stdClass(('wiz'.dirname(__DIR__)), array(('wiz'.dirname(__DIR__)) => ('wiz'.dirname(__DIR__))));
+        return $this->services['test'] = new \stdClass(('wiz'.$this->targetDirs[1]), array(('wiz'.$this->targetDirs[1]) => ($this->targetDirs[2].'/')));
     }
 
     /**
@@ -107,4 +109,19 @@ class ProjectServiceContainer extends Container
 
         return $this->parameterBag;
     }
+
+    /**
+     * Gets the default parameters.
+     *
+     * @return array An array of the default parameters
+     */
+    protected function getDefaultParameters()
+    {
+        return array(
+            'foo' => ('wiz'.$this->targetDirs[1]),
+            'bar' => __DIR__,
+            'baz' => (__DIR__.'/PhpDumperTest.php'),
+            'buz' => $this->targetDirs[2],
+        );
+    }
 }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services19.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services19.php
index fdafa6e406..ecf30a6558 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services19.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services19.php
@@ -17,17 +17,14 @@ use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
 class ProjectServiceContainer extends Container
 {
     private $parameters;
+    private $targetDirs = array();
 
     /**
      * Constructor.
      */
     public function __construct()
     {
-        $this->parameters = array(
-
-        );
-
-        parent::__construct(new ParameterBag($this->parameters));
+        parent::__construct();
         $this->methodMap = array(
             'service_from_anonymous_factory' => 'getServiceFromAnonymousFactoryService',
             'service_with_method_call_and_factory' => 'getServiceWithMethodCallAndFactoryService',
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services8.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services8.php
index a6de38e381..1b86dfc3f8 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services8.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services8.php
@@ -17,13 +17,24 @@ use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
 class ProjectServiceContainer extends Container
 {
     private $parameters;
+    private $targetDirs = array();
 
     /**
      * Constructor.
      */
     public function __construct()
     {
-        $this->parameters = array(
+        parent::__construct(new ParameterBag($this->getDefaultParameters()));
+    }
+
+    /**
+     * Gets the default parameters.
+     *
+     * @return array An array of the default parameters
+     */
+    protected function getDefaultParameters()
+    {
+        return array(
             'foo' => '%baz%',
             'baz' => 'bar',
             'bar' => 'foo is %%foo bar',
@@ -39,7 +50,5 @@ class ProjectServiceContainer extends Container
                 7 => 'null',
             ),
         );
-
-        parent::__construct(new ParameterBag($this->parameters));
     }
 }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9.php
index 60110570c4..33cbe2f8be 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9.php
@@ -17,19 +17,14 @@ use Symfony\Component\DependencyInjection\ParameterBag\ParameterBag;
 class ProjectServiceContainer extends Container
 {
     private $parameters;
+    private $targetDirs = array();
 
     /**
      * Constructor.
      */
     public function __construct()
     {
-        $this->parameters = array(
-            'baz_class' => 'BazClass',
-            'foo_class' => 'Bar\\FooClass',
-            'foo' => 'bar',
-        );
-
-        parent::__construct(new ParameterBag($this->parameters));
+        parent::__construct(new ParameterBag($this->getDefaultParameters()));
         $this->methodMap = array(
             'bar' => 'getBarService',
             'baz' => 'getBazService',
@@ -392,4 +387,18 @@ class ProjectServiceContainer extends Container
 
         return $instance;
     }
+
+    /**
+     * Gets the default parameters.
+     *
+     * @return array An array of the default parameters
+     */
+    protected function getDefaultParameters()
+    {
+        return array(
+            'baz_class' => 'BazClass',
+            'foo_class' => 'Bar\\FooClass',
+            'foo' => 'bar',
+        );
+    }
 }
diff --git a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php
index 7d03bd5b8b..71a47dc135 100644
--- a/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php
+++ b/src/Symfony/Component/DependencyInjection/Tests/Fixtures/php/services9_compiled.php
@@ -17,20 +17,18 @@ use Symfony\Component\DependencyInjection\ParameterBag\FrozenParameterBag;
 class ProjectServiceContainer extends Container
 {
     private $parameters;
+    private $targetDirs = array();
 
     /**
      * Constructor.
      */
     public function __construct()
     {
+        $this->parameters = $this->getDefaultParameters();
+
         $this->services =
         $this->scopedServices =
         $this->scopeStacks = array();
-        $this->parameters = array(
-            'baz_class' => 'BazClass',
-            'foo_class' => 'Bar\\FooClass',
-            'foo' => 'bar',
-        );
 
         $this->set('service_container', $this);
 
@@ -373,4 +371,18 @@ class ProjectServiceContainer extends Container
 
         return $this->parameterBag;
     }
+
+    /**
+     * Gets the default parameters.
+     *
+     * @return array An array of the default parameters
+     */
+    protected function getDefaultParameters()
+    {
+        return array(
+            'baz_class' => 'BazClass',
+            'foo_class' => 'Bar\\FooClass',
+            'foo' => 'bar',
+        );
+    }
 }
diff --git a/src/Symfony/Component/EventDispatcher/Debug/TraceableEventDispatcher.php b/src/Symfony/Component/EventDispatcher/Debug/TraceableEventDispatcher.php
index 347c7d0739..b796a8125a 100644
--- a/src/Symfony/Component/EventDispatcher/Debug/TraceableEventDispatcher.php
+++ b/src/Symfony/Component/EventDispatcher/Debug/TraceableEventDispatcher.php
@@ -224,6 +224,9 @@ class TraceableEventDispatcher implements TraceableEventDispatcherInterface
     {
         $skipped = false;
         foreach ($this->dispatcher->getListeners($eventName) as $listener) {
+            if (!$listener instanceof WrappedListener) { // #12845: a new listener was added during dispatch.
+                continue;
+            }
             // Unwrap listener
             $this->dispatcher->removeListener($eventName, $listener);
             $this->dispatcher->addListener($eventName, $listener->getWrappedListener());
diff --git a/src/Symfony/Component/ExpressionLanguage/Node/BinaryNode.php b/src/Symfony/Component/ExpressionLanguage/Node/BinaryNode.php
index cbbee60ccf..597cc8918d 100644
--- a/src/Symfony/Component/ExpressionLanguage/Node/BinaryNode.php
+++ b/src/Symfony/Component/ExpressionLanguage/Node/BinaryNode.php
@@ -87,11 +87,12 @@ class BinaryNode extends Node
         if (isset(self::$functions[$operator])) {
             $right = $this->nodes['right']->evaluate($functions, $values);
 
-            if ('not in' == $operator) {
-                return !call_user_func('in_array', $left, $right);
+            if ('not in' === $operator) {
+                return !in_array($left, $right);
             }
+            $f = self::$functions[$operator];
 
-            return call_user_func(self::$functions[$operator], $left, $right);
+            return $f($left, $right);
         }
 
         switch ($operator) {
diff --git a/src/Symfony/Component/Filesystem/Filesystem.php b/src/Symfony/Component/Filesystem/Filesystem.php
index 34f257aed8..c6e842fbc9 100644
--- a/src/Symfony/Component/Filesystem/Filesystem.php
+++ b/src/Symfony/Component/Filesystem/Filesystem.php
@@ -423,7 +423,7 @@ class Filesystem
                 }
             } else {
                 if (is_link($file)) {
-                    $this->symlink($file->getLinkTarget(), $target);
+                    $this->symlink($file->getRealPath(), $target);
                 } elseif (is_dir($file)) {
                     $this->mkdir($target);
                 } elseif (is_file($file)) {
diff --git a/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php b/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
index 2790e5e4e3..947c636311 100644
--- a/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
+++ b/src/Symfony/Component/Filesystem/Tests/FilesystemTest.php
@@ -901,6 +901,31 @@ class FilesystemTest extends FilesystemTestCase
         $this->assertTrue(is_link($targetPath.DIRECTORY_SEPARATOR.'link1'));
     }
 
+    public function testMirrorCopiesRelativeLinkedContents()
+    {
+        $this->markAsSkippedIfSymlinkIsMissing();
+
+        $sourcePath = $this->workspace.DIRECTORY_SEPARATOR.'source'.DIRECTORY_SEPARATOR;
+        $oldPath = getcwd();
+
+        mkdir($sourcePath.'nested/', 0777, true);
+        file_put_contents($sourcePath.'/nested/file1.txt', 'FILE1');
+        // Note: Create relative symlink
+        chdir($sourcePath);
+        symlink('nested', 'link1');
+
+        chdir($oldPath);
+
+        $targetPath = $this->workspace.DIRECTORY_SEPARATOR.'target'.DIRECTORY_SEPARATOR;
+
+        $this->filesystem->mirror($sourcePath, $targetPath);
+
+        $this->assertTrue(is_dir($targetPath));
+        $this->assertFileEquals($sourcePath.'/nested/file1.txt', $targetPath.DIRECTORY_SEPARATOR.'link1/file1.txt');
+        $this->assertTrue(is_link($targetPath.DIRECTORY_SEPARATOR.'link1'));
+        $this->assertEquals($sourcePath.'nested', readlink($targetPath.DIRECTORY_SEPARATOR.'link1'));
+    }
+
     /**
      * @dataProvider providePathsForIsAbsolutePath
      */
diff --git a/src/Symfony/Component/Finder/Shell/Command.php b/src/Symfony/Component/Finder/Shell/Command.php
index 78824d0df4..1f69afb2c7 100644
--- a/src/Symfony/Component/Finder/Shell/Command.php
+++ b/src/Symfony/Component/Finder/Shell/Command.php
@@ -246,14 +246,14 @@ class Command
      */
     public function execute()
     {
-        if (null === $this->errorHandler) {
+        if (null === $errorHandler = $this->errorHandler) {
             exec($this->join(), $output);
         } else {
             $process = proc_open($this->join(), array(0 => array('pipe', 'r'), 1 => array('pipe', 'w'), 2 => array('pipe', 'w')), $pipes);
             $output = preg_split('~(\r\n|\r|\n)~', stream_get_contents($pipes[1]), -1, PREG_SPLIT_NO_EMPTY);
 
             if ($error = stream_get_contents($pipes[2])) {
-                call_user_func($this->errorHandler, $error);
+                $errorHandler($error);
             }
 
             proc_close($process);
diff --git a/src/Symfony/Component/Form/FormFactory.php b/src/Symfony/Component/Form/FormFactory.php
index 8a7b1cab05..cfca4588bd 100644
--- a/src/Symfony/Component/Form/FormFactory.php
+++ b/src/Symfony/Component/Form/FormFactory.php
@@ -113,11 +113,11 @@ class FormFactory implements FormFactoryInterface
         $pattern = $patternGuess ? $patternGuess->getValue() : null;
 
         if (null !== $pattern) {
-            $options = array_merge(array('attr' => array('pattern' => $pattern)), $options);
+            $options = array_replace_recursive(array('attr' => array('pattern' => $pattern)), $options);
         }
 
         if (null !== $maxLength) {
-            $options = array_merge(array('attr' => array('maxlength' => $maxLength)), $options);
+            $options = array_replace_recursive(array('attr' => array('maxlength' => $maxLength)), $options);
         }
 
         if ($requiredGuess) {
diff --git a/src/Symfony/Component/Form/Tests/FormFactoryTest.php b/src/Symfony/Component/Form/Tests/FormFactoryTest.php
index a06b49876e..59e9e8085c 100644
--- a/src/Symfony/Component/Form/Tests/FormFactoryTest.php
+++ b/src/Symfony/Component/Form/Tests/FormFactoryTest.php
@@ -504,6 +504,41 @@ class FormFactoryTest extends \PHPUnit_Framework_TestCase
         $this->assertEquals('builderInstance', $this->builder);
     }
 
+    public function testCreateBuilderUsesMaxLengthAndPattern()
+    {
+        $this->guesser1->expects($this->once())
+            ->method('guessMaxLength')
+            ->with('Application\Author', 'firstName')
+            ->will($this->returnValue(new ValueGuess(
+                20,
+                Guess::HIGH_CONFIDENCE
+            )));
+
+        $this->guesser2->expects($this->once())
+            ->method('guessPattern')
+            ->with('Application\Author', 'firstName')
+            ->will($this->returnValue(new ValueGuess(
+                '.{5,}',
+                Guess::HIGH_CONFIDENCE
+            )));
+
+        $factory = $this->getMockFactory(array('createNamedBuilder'));
+
+        $factory->expects($this->once())
+            ->method('createNamedBuilder')
+            ->with('firstName', 'text', null, array('attr' => array('maxlength' => 20, 'pattern' => '.{5,}', 'class' => 'tinymce')))
+            ->will($this->returnValue('builderInstance'));
+
+        $this->builder = $factory->createBuilderForProperty(
+            'Application\Author',
+            'firstName',
+            null,
+            array('attr' => array('class' => 'tinymce'))
+        );
+
+        $this->assertEquals('builderInstance', $this->builder);
+    }
+
     public function testCreateBuilderUsesRequiredSettingWithHighestConfidence()
     {
         $this->guesser1->expects($this->once())
diff --git a/src/Symfony/Component/HttpKernel/Tests/Debug/TraceableEventDispatcherTest.php b/src/Symfony/Component/HttpKernel/Tests/Debug/TraceableEventDispatcherTest.php
index 399f1a7889..c2cafc37b8 100644
--- a/src/Symfony/Component/HttpKernel/Tests/Debug/TraceableEventDispatcherTest.php
+++ b/src/Symfony/Component/HttpKernel/Tests/Debug/TraceableEventDispatcherTest.php
@@ -75,6 +75,24 @@ class TraceableEventDispatcherTest extends \PHPUnit_Framework_TestCase
         $kernel->handle($request);
     }
 
+    public function testAddListenerNested()
+    {
+        $called1 = false;
+        $called2 = false;
+        $dispatcher = new TraceableEventDispatcher(new EventDispatcher(), new Stopwatch());
+        $dispatcher->addListener('my-event', function () use ($dispatcher, &$called1, &$called2) {
+            $called1 = true;
+            $dispatcher->addListener('my-event', function () use (&$called2) {
+                $called2 = true;
+            });
+        });
+        $dispatcher->dispatch('my-event');
+        $this->assertTrue($called1);
+        $this->assertFalse($called2);
+        $dispatcher->dispatch('my-event');
+        $this->assertTrue($called2);
+    }
+
     protected function getHttpKernel($dispatcher, $controller)
     {
         $resolver = $this->getMock('Symfony\Component\HttpKernel\Controller\ControllerResolverInterface');
diff --git a/src/Symfony/Component/HttpKernel/Tests/HttpCache/TestHttpKernel.php b/src/Symfony/Component/HttpKernel/Tests/HttpCache/TestHttpKernel.php
index da8c34c177..5546ba2ed8 100644
--- a/src/Symfony/Component/HttpKernel/Tests/HttpCache/TestHttpKernel.php
+++ b/src/Symfony/Component/HttpKernel/Tests/HttpCache/TestHttpKernel.php
@@ -72,8 +72,8 @@ class TestHttpKernel extends HttpKernel implements ControllerResolverInterface
 
         $response = new Response($this->body, $this->status, $this->headers);
 
-        if (null !== $this->customizer) {
-            call_user_func($this->customizer, $request, $response);
+        if (null !== $customizer = $this->customizer) {
+            $customizer($request, $response);
         }
 
         return $response;
diff --git a/src/Symfony/Component/Process/Process.php b/src/Symfony/Component/Process/Process.php
index e4420f564a..52dc80e6b6 100644
--- a/src/Symfony/Component/Process/Process.php
+++ b/src/Symfony/Component/Process/Process.php
@@ -1370,11 +1370,12 @@ class Process
     {
         $result = $this->processPipes->readAndWrite($blocking, $close);
 
+        $callback = $this->callback;
         foreach ($result as $type => $data) {
             if (3 == $type) {
                 $this->fallbackExitcode = (int) $data;
             } else {
-                call_user_func($this->callback, $type === self::STDOUT ? self::OUT : self::ERR, $data);
+                $callback($type === self::STDOUT ? self::OUT : self::ERR, $data);
             }
         }
     }
diff --git a/src/Symfony/Component/Process/Tests/AbstractProcessTest.php b/src/Symfony/Component/Process/Tests/AbstractProcessTest.php
index d48698a7cf..575de4d278 100644
--- a/src/Symfony/Component/Process/Tests/AbstractProcessTest.php
+++ b/src/Symfony/Component/Process/Tests/AbstractProcessTest.php
@@ -865,7 +865,7 @@ abstract class AbstractProcessTest extends \PHPUnit_Framework_TestCase
     {
         $process = $this->getProcess('php -m');
         $this->setExpectedException('Symfony\Component\Process\Exception\LogicException', sprintf('Process must be started before calling %s.', $method));
-        call_user_func(array($process, $method));
+        $process->{$method}();
     }
 
     public function provideMethodsThatNeedARunningProcess()
@@ -887,7 +887,7 @@ abstract class AbstractProcessTest extends \PHPUnit_Framework_TestCase
         $process = $this->getProcess('php -r "sleep(1);"');
         $process->start();
         try {
-            call_user_func(array($process, $method));
+            $process->{$method}();
             $process->stop(0);
             $this->fail('A LogicException must have been thrown');
         } catch (\Exception $e) {
@@ -1013,7 +1013,7 @@ abstract class AbstractProcessTest extends \PHPUnit_Framework_TestCase
         $p = $this->getProcess('php -r "usleep(500000);"');
         $p->disableOutput();
         $this->setExpectedException($exception, $exceptionMessage);
-        call_user_func(array($p, $startMethod), function () {});
+        $p->{$startMethod}(function () {});
     }
 
     public function provideStartMethods()
@@ -1034,7 +1034,7 @@ abstract class AbstractProcessTest extends \PHPUnit_Framework_TestCase
         $p->disableOutput();
         $p->start();
         $this->setExpectedException('Symfony\Component\Process\Exception\LogicException', 'Output has been disabled.');
-        call_user_func(array($p, $fetchMethod));
+        $p->{$fetchMethod}();
     }
 
     public function provideOutputFetchingMethods()
diff --git a/src/Symfony/Component/PropertyAccess/PropertyAccessor.php b/src/Symfony/Component/PropertyAccess/PropertyAccessor.php
index 6173784370..872f32b208 100644
--- a/src/Symfony/Component/PropertyAccess/PropertyAccessor.php
+++ b/src/Symfony/Component/PropertyAccess/PropertyAccessor.php
@@ -505,11 +505,11 @@ class PropertyAccessor implements PropertyAccessorInterface
         }
 
         foreach ($itemToRemove as $item) {
-            call_user_func(array($object, $removeMethod), $item);
+            $object->{$removeMethod}($item);
         }
 
         foreach ($itemsToAdd as $item) {
-            call_user_func(array($object, $addMethod), $item);
+            $object->{$addMethod}($item);
         }
     }
 
diff --git a/src/Symfony/Component/Routing/Loader/ClosureLoader.php b/src/Symfony/Component/Routing/Loader/ClosureLoader.php
index 8212c2916d..9edab1e9e3 100644
--- a/src/Symfony/Component/Routing/Loader/ClosureLoader.php
+++ b/src/Symfony/Component/Routing/Loader/ClosureLoader.php
@@ -37,7 +37,7 @@ class ClosureLoader extends Loader
      */
     public function load($closure, $type = null)
     {
-        return call_user_func($closure);
+        return $closure();
     }
 
     /**
diff --git a/src/Symfony/Component/Security/Core/Authentication/Provider/AuthenticationProviderInterface.php b/src/Symfony/Component/Security/Core/Authentication/Provider/AuthenticationProviderInterface.php
index 8007234175..adad258ee0 100644
--- a/src/Symfony/Component/Security/Core/Authentication/Provider/AuthenticationProviderInterface.php
+++ b/src/Symfony/Component/Security/Core/Authentication/Provider/AuthenticationProviderInterface.php
@@ -24,12 +24,12 @@ use Symfony\Component\Security\Core\Authentication\AuthenticationManagerInterfac
  */
 interface AuthenticationProviderInterface extends AuthenticationManagerInterface
 {
-     /**
-      * Checks whether this provider supports the given token.
-      *
-      * @param TokenInterface $token A TokenInterface instance
-      *
-      * @return bool true if the implementation supports the Token, false otherwise
-      */
-     public function supports(TokenInterface $token);
+    /**
+     * Checks whether this provider supports the given token.
+     *
+     * @param TokenInterface $token A TokenInterface instance
+     *
+     * @return bool true if the implementation supports the Token, false otherwise
+     */
+    public function supports(TokenInterface $token);
 }
diff --git a/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php b/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
index 44e4a1c36d..c531c7309b 100644
--- a/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
+++ b/src/Symfony/Component/Serializer/Encoder/XmlEncoder.php
@@ -129,21 +129,21 @@ class XmlEncoder extends SerializerAwareEncoder implements EncoderInterface, Dec
         return $data;
     }
 
-     /**
-      * {@inheritdoc}
-      */
-     public function supportsEncoding($format)
-     {
-         return 'xml' === $format;
-     }
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsEncoding($format)
+    {
+        return 'xml' === $format;
+    }
 
-     /**
-      * {@inheritdoc}
-      */
-     public function supportsDecoding($format)
-     {
-         return 'xml' === $format;
-     }
+    /**
+     * {@inheritdoc}
+     */
+    public function supportsDecoding($format)
+    {
+        return 'xml' === $format;
+    }
 
     /**
      * Sets the root node name.
diff --git a/src/Symfony/Component/Validator/Constraints/CallbackValidator.php b/src/Symfony/Component/Validator/Constraints/CallbackValidator.php
index a6a29e7e6e..6f073c7d87 100644
--- a/src/Symfony/Component/Validator/Constraints/CallbackValidator.php
+++ b/src/Symfony/Component/Validator/Constraints/CallbackValidator.php
@@ -50,7 +50,9 @@ class CallbackValidator extends ConstraintValidator
         $methods = $constraint->methods ?: array($constraint->callback);
 
         foreach ($methods as $method) {
-            if (is_array($method) || $method instanceof \Closure) {
+            if ($method instanceof \Closure) {
+                $method($object, $this->context);
+            } elseif (is_array($method)) {
                 if (!is_callable($method)) {
                     throw new ConstraintDefinitionException(sprintf('"%s::%s" targeted by Callback constraint is not a valid callable', $method[0], $method[1]));
                 }
diff --git a/src/Symfony/Component/Validator/Constraints/ChoiceValidator.php b/src/Symfony/Component/Validator/Constraints/ChoiceValidator.php
index 1566c318c3..cf5774c63d 100644
--- a/src/Symfony/Component/Validator/Constraints/ChoiceValidator.php
+++ b/src/Symfony/Component/Validator/Constraints/ChoiceValidator.php
@@ -49,13 +49,12 @@ class ChoiceValidator extends ConstraintValidator
         }
 
         if ($constraint->callback) {
-            if (is_callable(array($this->context->getClassName(), $constraint->callback))) {
-                $choices = call_user_func(array($this->context->getClassName(), $constraint->callback));
-            } elseif (is_callable($constraint->callback)) {
-                $choices = call_user_func($constraint->callback);
-            } else {
+            if (!is_callable($choices = array($this->context->getClassName(), $constraint->callback))
+                && !is_callable($choices = $constraint->callback)
+            ) {
                 throw new ConstraintDefinitionException('The Choice constraint expects a valid callback');
             }
+            $choices = call_user_func($choices);
         } else {
             $choices = $constraint->choices;
         }
diff --git a/src/Symfony/Component/Validator/Constraints/TypeValidator.php b/src/Symfony/Component/Validator/Constraints/TypeValidator.php
index ca6e5aa7ca..66217d0c39 100644
--- a/src/Symfony/Component/Validator/Constraints/TypeValidator.php
+++ b/src/Symfony/Component/Validator/Constraints/TypeValidator.php
@@ -40,9 +40,9 @@ class TypeValidator extends ConstraintValidator
         $isFunction = 'is_'.$type;
         $ctypeFunction = 'ctype_'.$type;
 
-        if (function_exists($isFunction) && call_user_func($isFunction, $value)) {
+        if (function_exists($isFunction) && $isFunction($value)) {
             return;
-        } elseif (function_exists($ctypeFunction) && call_user_func($ctypeFunction, $value)) {
+        } elseif (function_exists($ctypeFunction) && $ctypeFunction($value)) {
             return;
         } elseif ($value instanceof $constraint->type) {
             return;