Merge branch '3.1' into 3.2

* 3.1:
  Write an exception message in a one heading line
  [Finder] Refine phpdoc about argument for NumberComparator
  Fixed max width from ajax request url element (td)
  Fix unresolved parameters from default bundle configs in debug:config
  [github] Tweak PR template
  [Serializer] Optimize max depth checking

.github/PULL_REQUEST_TEMPLATE.md

@@ -1,11 +1,19 @@
 | Q             | A
 | ------------- | ---
-| Branch?       | "master" for new features / 2.7, 2.8 or 3.1 for fixes
+| Branch?       | master / 2.7, 2.8, 3.1 or 3.2 <!--see comment below-->
 | Bug fix?      | yes/no
 | New feature?  | yes/no
 | BC breaks?    | yes/no
 | Deprecations? | yes/no
 | Tests pass?   | yes/no
-| Fixed tickets | comma-separated list of tickets fixed by the PR, if any
+| Fixed tickets | #... <!-- #-prefixed issue number(s), if any -->
 | License       | MIT
-| Doc PR        | reference to the documentation PR, if any
+| Doc PR        | symfony/symfony-docs#... <!--highly recommended for new features-->
+
+<!--
+- Bug fixes must be submitted against the lowest branch where they apply
+  (lowest branches are regularly merged to upper ones so they get the fixes too).
+- Features and deprecations must be submitted against the master branch.
+- Please fill in this template according to the PR you're about to submit.
+- Replace this comment by a description of what your PR is solving.
+-->

src/Symfony/Bundle/FrameworkBundle/Command/ConfigDebugCommand.php

@@ -105,7 +105,7 @@ EOF
 
         $io->title(sprintf('Current configuration for "%s.%s"', $extensionAlias, $path));
 
-        $io->writeln(Yaml::dump($config, 10));
+        $io->writeln(Yaml::dump($container->getParameterBag()->resolveValue($config), 10));
     }
 
     private function compileContainer()

src/Symfony/Bundle/TwigBundle/Resources/views/Exception/exception.html.twig

@@ -9,9 +9,7 @@
         <div class="text-exception">
             <div class="open-quote">“</div>
 
-            <h1>
-                {{ exception.message|nl2br|format_file_from_text }}
-            </h1>
+            <h1>{{ exception.message|nl2br|format_file_from_text }}</h1>
 
             <div>
                 <strong>{{ status_code }}</strong> {{ status_text }} - {{ exception.class|abbr_class }}

src/Symfony/Component/Finder/Comparator/NumberComparator.php

@@ -37,7 +37,7 @@ class NumberComparator extends Comparator
     /**
      * Constructor.
      *
-     * @param string $test A comparison string
+     * @param string|int $test A comparison string or an integer
      *
      * @throws \InvalidArgumentException If the test is not understood
      */

src/Symfony/Component/Finder/Finder.php

@@ -111,7 +111,7 @@ class Finder implements \IteratorAggregate, \Countable
      *   $finder->depth('> 1') // the Finder will start matching at level 1.
      *   $finder->depth('< 3') // the Finder will descend at most 3 levels of directories below the starting point.
      *
-     * @param int $level The depth level expression
+     * @param string|int $level The depth level expression
      *
      * @return Finder|SplFileInfo[] The current Finder instance
      *
@@ -283,7 +283,7 @@ class Finder implements \IteratorAggregate, \Countable
      * $finder->size('<= 1Ki');
      * $finder->size(4);
      *
-     * @param string $size A size range string
+     * @param string|int $size A size range string or an integer
      *
      * @return Finder|SplFileInfo[] The current Finder instance
      *

src/Symfony/Component/Serializer/Normalizer/AbstractObjectNormalizer.php

@@ -17,6 +17,7 @@ use Symfony\Component\Serializer\Exception\LogicException;
 use Symfony\Component\Serializer\Exception\UnexpectedValueException;
 use Symfony\Component\PropertyInfo\PropertyTypeExtractorInterface;
 use Symfony\Component\PropertyInfo\Type;
+use Symfony\Component\Serializer\Mapping\AttributeMetadataInterface;
 use Symfony\Component\Serializer\Mapping\Factory\ClassMetadataFactoryInterface;
 use Symfony\Component\Serializer\NameConverter\NameConverterInterface;
 
@@ -67,9 +68,10 @@ abstract class AbstractObjectNormalizer extends AbstractNormalizer
         $stack = array();
         $attributes = $this->getAttributes($object, $format, $context);
         $class = get_class($object);
+        $attributesMetadata = $this->classMetadataFactory ? $this->classMetadataFactory->getMetadataFor($class)->getAttributesMetadata() : null;
 
         foreach ($attributes as $attribute) {
-            if ($this->isMaxDepthReached($class, $attribute, $context)) {
+            if (null !== $attributesMetadata && $this->isMaxDepthReached($attributesMetadata, $class, $attribute, $context)) {
                 continue;
             }
 
@@ -289,42 +291,35 @@ abstract class AbstractObjectNormalizer extends AbstractNormalizer
     /**
      * Is the max depth reached for the given attribute?
      *
-     * @param string $class
-     * @param string $attribute
-     * @param array  $context
+     * @param AttributeMetadataInterface[] $attributesMetadata
+     * @param string                       $class
+     * @param string                       $attribute
+     * @param array                        $context
      *
      * @return bool
      */
-    private function isMaxDepthReached($class, $attribute, array &$context)
+    private function isMaxDepthReached(array $attributesMetadata, $class, $attribute, array &$context)
     {
-        if (!$this->classMetadataFactory || !isset($context[static::ENABLE_MAX_DEPTH])) {
-            return false;
-        }
-
-        $classMetadata = $this->classMetadataFactory->getMetadataFor($class);
-        $attributesMetadata = $classMetadata->getAttributesMetadata();
-
-        if (!isset($attributesMetadata[$attribute])) {
-            return false;
-        }
-
-        $maxDepth = $attributesMetadata[$attribute]->getMaxDepth();
-        if (null === $maxDepth) {
+        if (
+            !isset($context[static::ENABLE_MAX_DEPTH]) ||
+            !isset($attributesMetadata[$attribute]) ||
+            null === $maxDepth = $attributesMetadata[$attribute]->getMaxDepth()
+        ) {
             return false;
         }
 
         $key = sprintf(static::DEPTH_KEY_PATTERN, $class, $attribute);
-        $keyExist = isset($context[$key]);
+        if (!isset($context[$key])) {
+            $context[$key] = 1;
 
-        if ($keyExist && $context[$key] === $maxDepth) {
+            return false;
+        }
+
+        if ($context[$key] === $maxDepth) {
             return true;
         }
 
-        if ($keyExist) {
-            ++$context[$key];
-        } else {
-            $context[$key] = 1;
-        }
+        ++$context[$key];
 
         return false;
     }