diff --git a/src/Symfony/Bridge/Doctrine/Logger/DbalLogger.php b/src/Symfony/Bridge/Doctrine/Logger/DbalLogger.php
index 617dd5c3fa..2d834d7d40 100644
--- a/src/Symfony/Bridge/Doctrine/Logger/DbalLogger.php
+++ b/src/Symfony/Bridge/Doctrine/Logger/DbalLogger.php
@@ -50,30 +50,7 @@ class DbalLogger implements SQLLogger
         }
 
         if (is_array($params)) {
-            foreach ($params as $index => $param) {
-                if (!is_string($params[$index])) {
-                    continue;
-                }
-
-                // non utf-8 strings break json encoding
-                if (!preg_match('//u', $params[$index])) {
-                    $params[$index] = self::BINARY_DATA_VALUE;
-                    continue;
-                }
-
-                // detect if the too long string must be shorten
-                if (function_exists('mb_strlen')) {
-                    if (self::MAX_STRING_LENGTH < mb_strlen($params[$index], 'UTF-8')) {
-                        $params[$index] = mb_substr($params[$index], 0, self::MAX_STRING_LENGTH - 6, 'UTF-8').' [...]';
-                        continue;
-                    }
-                } else {
-                    if (self::MAX_STRING_LENGTH < strlen($params[$index])) {
-                        $params[$index] = substr($params[$index], 0, self::MAX_STRING_LENGTH - 6).' [...]';
-                        continue;
-                    }
-                }
-            }
+            $params = $this->normalizeParams($params);
         }
 
         if (null !== $this->logger) {
@@ -101,4 +78,40 @@ class DbalLogger implements SQLLogger
     {
         $this->logger->debug($message, $params);
     }
+
+    private function normalizeParams(array $params)
+    {
+        foreach ($params as $index => $param) {
+            // normalize recursively
+            if (is_array($param)) {
+                $params[$index] = $this->normalizeParams($param);
+                continue;
+            }
+
+            if (!is_string($params[$index])) {
+                continue;
+            }
+
+            // non utf-8 strings break json encoding
+            if (!preg_match('//u', $params[$index])) {
+                $params[$index] = self::BINARY_DATA_VALUE;
+                continue;
+            }
+
+            // detect if the too long string must be shorten
+            if (function_exists('mb_strlen')) {
+                if (self::MAX_STRING_LENGTH < mb_strlen($params[$index], 'UTF-8')) {
+                    $params[$index] = mb_substr($params[$index], 0, self::MAX_STRING_LENGTH - 6, 'UTF-8').' [...]';
+                    continue;
+                }
+            } else {
+                if (self::MAX_STRING_LENGTH < strlen($params[$index])) {
+                    $params[$index] = substr($params[$index], 0, self::MAX_STRING_LENGTH - 6).' [...]';
+                    continue;
+                }
+            }
+        }
+
+        return $params;
+    }
 }
diff --git a/src/Symfony/Bridge/Doctrine/Tests/Logger/DbalLoggerTest.php b/src/Symfony/Bridge/Doctrine/Tests/Logger/DbalLoggerTest.php
index 872779c2f8..eacbd4f3c9 100644
--- a/src/Symfony/Bridge/Doctrine/Tests/Logger/DbalLoggerTest.php
+++ b/src/Symfony/Bridge/Doctrine/Tests/Logger/DbalLoggerTest.php
@@ -73,6 +73,37 @@ class DbalLoggerTest extends \PHPUnit_Framework_TestCase
         ));
     }
 
+    public function testLogNonUtf8Array()
+    {
+        $logger = $this->getMock('Psr\\Log\\LoggerInterface');
+
+        $dbalLogger = $this
+            ->getMockBuilder('Symfony\\Bridge\\Doctrine\\Logger\\DbalLogger')
+            ->setConstructorArgs(array($logger, null))
+            ->setMethods(array('log'))
+            ->getMock()
+        ;
+
+        $dbalLogger
+            ->expects($this->once())
+            ->method('log')
+            ->with('SQL', array(
+                    'utf8' => 'foo',
+                    array(
+                        'nonutf8' => DbalLogger::BINARY_DATA_VALUE,
+                    )
+                )
+            )
+        ;
+
+        $dbalLogger->startQuery('SQL', array(
+            'utf8' => 'foo',
+            array(
+                'nonutf8' => "\x7F\xFF",
+            )
+        ));
+    }
+
     public function testLogLongString()
     {
         $logger = $this->getMock('Symfony\\Component\\HttpKernel\\Log\\LoggerInterface');
diff --git a/src/Symfony/Bridge/Doctrine/Validator/Constraints/UniqueEntityValidator.php b/src/Symfony/Bridge/Doctrine/Validator/Constraints/UniqueEntityValidator.php
index 3452ff53fc..a54bb46819 100644
--- a/src/Symfony/Bridge/Doctrine/Validator/Constraints/UniqueEntityValidator.php
+++ b/src/Symfony/Bridge/Doctrine/Validator/Constraints/UniqueEntityValidator.php
@@ -81,7 +81,7 @@ class UniqueEntityValidator extends ConstraintValidator
         $criteria = array();
         foreach ($fields as $fieldName) {
             if (!$class->hasField($fieldName) && !$class->hasAssociation($fieldName)) {
-                throw new ConstraintDefinitionException(sprintf("The field '%s' is not mapped by Doctrine, so it cannot be validated for uniqueness.", $fieldName));
+                throw new ConstraintDefinitionException(sprintf('The field "%s" is not mapped by Doctrine, so it cannot be validated for uniqueness.', $fieldName));
             }
 
             $criteria[$fieldName] = $class->reflFields[$fieldName]->getValue($entity);
diff --git a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
index 517d411251..5f77566343 100644
--- a/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
+++ b/src/Symfony/Component/DependencyInjection/Dumper/PhpDumper.php
@@ -1295,11 +1295,6 @@ EOF;
             foreach ($value->getArguments() as $argument) {
                 $arguments[] = $this->dumpValue($argument);
             }
-            $class = $this->dumpValue($value->getClass());
-
-            if (false !== strpos($class, '$')) {
-                throw new RuntimeException('Cannot dump definitions which have a variable class name.');
-            }
 
             if (null !== $value->getFactory()) {
                 $factory = $value->getFactory();
@@ -1337,6 +1332,15 @@ EOF;
                 }
             }
 
+            $class = $value->getClass();
+            if (null === $class) {
+                throw new RuntimeException('Cannot dump definitions which have no class nor factory.');
+            }
+            $class = $this->dumpValue($class);
+            if (false !== strpos($class, '$')) {
+                throw new RuntimeException('Cannot dump definitions which have a variable class name.');
+            }
+
             return sprintf('new \\%s(%s)', substr(str_replace('\\\\', '\\', $class), 1, -1), implode(', ', $arguments));
         } elseif ($value instanceof Variable) {
             return '$'.$value;
diff --git a/src/Symfony/Component/Intl/DateFormatter/DateFormat/FullTransformer.php b/src/Symfony/Component/Intl/DateFormatter/DateFormat/FullTransformer.php
index 1170cb2cc6..3c3410e879 100644
--- a/src/Symfony/Component/Intl/DateFormatter/DateFormat/FullTransformer.php
+++ b/src/Symfony/Component/Intl/DateFormatter/DateFormat/FullTransformer.php
@@ -123,7 +123,7 @@ class FullTransformer
 
         // handle unimplemented characters
         if (false !== strpos($this->notImplementedChars, $dateChars[0])) {
-            throw new NotImplementedException(sprintf("Unimplemented date character '%s' in format '%s'", $dateChars[0], $this->pattern));
+            throw new NotImplementedException(sprintf('Unimplemented date character "%s" in format "%s"', $dateChars[0], $this->pattern));
         }
     }
 
diff --git a/src/Symfony/Component/Routing/Annotation/Route.php b/src/Symfony/Component/Routing/Annotation/Route.php
index 90521c0be8..bea53a7cf5 100644
--- a/src/Symfony/Component/Routing/Annotation/Route.php
+++ b/src/Symfony/Component/Routing/Annotation/Route.php
@@ -48,7 +48,7 @@ class Route
         foreach ($data as $key => $value) {
             $method = 'set'.str_replace('_', '', $key);
             if (!method_exists($this, $method)) {
-                throw new \BadMethodCallException(sprintf("Unknown property '%s' on annotation '%s'.", $key, get_class($this)));
+                throw new \BadMethodCallException(sprintf('Unknown property "%s" on annotation "%s".', $key, get_class($this)));
             }
             $this->$method($value);
         }
diff --git a/src/Symfony/Component/Security/Http/Firewall/DigestAuthenticationListener.php b/src/Symfony/Component/Security/Http/Firewall/DigestAuthenticationListener.php
index b1008cc0eb..c8c233eb20 100644
--- a/src/Symfony/Component/Security/Http/Firewall/DigestAuthenticationListener.php
+++ b/src/Symfony/Component/Security/Http/Firewall/DigestAuthenticationListener.php
@@ -101,7 +101,7 @@ class DigestAuthenticationListener implements ListenerInterface
 
         if ($serverDigestMd5 !== $digestAuth->getResponse()) {
             if (null !== $this->logger) {
-                $this->logger->debug(sprintf("Expected response: '%s' but received: '%s'; is AuthenticationDao returning clear text passwords?", $serverDigestMd5, $digestAuth->getResponse()));
+                $this->logger->debug(sprintf('Expected response: "%s" but received: "%s"; is AuthenticationDao returning clear text passwords?', $serverDigestMd5, $digestAuth->getResponse()));
             }
 
             $this->fail($event, $request, new BadCredentialsException('Incorrect response'));
diff --git a/src/Symfony/Component/Validator/Constraints/CardSchemeValidator.php b/src/Symfony/Component/Validator/Constraints/CardSchemeValidator.php
index e2b985eab1..06d895e859 100644
--- a/src/Symfony/Component/Validator/Constraints/CardSchemeValidator.php
+++ b/src/Symfony/Component/Validator/Constraints/CardSchemeValidator.php
@@ -69,7 +69,8 @@ class CardSchemeValidator extends ConstraintValidator
         'MAESTRO' => array(
             '/^(6759[0-9]{2})[0-9]{6,13}$/',
             '/^(50[0-9]{4})[0-9]{6,13}$/',
-            '/^([56-69][0-9]{4})[0-9]{6,13}$/',
+            '/^5[6-9][0-9]{10,17}$/',
+            '/^6[0-9]{11,18}$/',
         ),
         // All MasterCard numbers start with the numbers 51 through 55. All have 16 digits.
         'MASTERCARD' => array(
diff --git a/src/Symfony/Component/Validator/Tests/Constraints/CardSchemeValidatorTest.php b/src/Symfony/Component/Validator/Tests/Constraints/CardSchemeValidatorTest.php
index aab54e590f..2d623c9784 100644
--- a/src/Symfony/Component/Validator/Tests/Constraints/CardSchemeValidatorTest.php
+++ b/src/Symfony/Component/Validator/Tests/Constraints/CardSchemeValidatorTest.php
@@ -97,8 +97,10 @@ class CardSchemeValidatorTest extends AbstractConstraintValidatorTest
             array('LASER', '6771656738314582216'),
             array('MAESTRO', '6759744069209'),
             array('MAESTRO', '5020507657408074712'),
+            array('MAESTRO', '5612559223580173965'),
             array('MAESTRO', '6759744069209'),
             array('MAESTRO', '6759744069209'),
+            array('MAESTRO', '6594371785970435599'),
             array('MASTERCARD', '5555555555554444'),
             array('MASTERCARD', '5105105105105100'),
             array('VISA', '4111111111111111'),