5177 use var_dump() in components

Conflicts:
	components/expression_language/caching.rst
	components/expression_language/extending.rst
	components/expression_language/introduction.rst
	components/expression_language/syntax.rst
	components/serializer.rst

Author: Henry Snoek

components/class_loader/class_map_generator.rst

@@ -50,7 +50,7 @@ method::
 
     use Symfony\Component\ClassLoader\ClassMapGenerator;
 
-    dump(ClassMapGenerator::createMap(__DIR__.'/library'));
+    var_dump(ClassMapGenerator::createMap(__DIR__.'/library'));
 
 Given the files and class from the table above, you should see an output like
 this:

components/css_selector.rst

@@ -51,7 +51,7 @@ equivalents::
 
     use Symfony\Component\CssSelector\CssSelector;
 
-    dump(CssSelector::toXPath('div.item > h4 > a'));
+    var_dump(CssSelector::toXPath('div.item > h4 > a'));
 
 This gives the following output:
 

components/dom_crawler.rst

@@ -47,7 +47,7 @@ traverse easily::
     $crawler = new Crawler($html);
 
     foreach ($crawler as $domElement) {
-        dump($domElement->nodeName);
+        var_dump($domElement->nodeName);
     }
 
 Specialized :class:`Symfony\\Component\\DomCrawler\\Link` and

components/event_dispatcher/generic_event.rst

@@ -75,7 +75,7 @@ the event arguments::
     );
     $dispatcher->dispatch('foo', $event);
 
-    dump($event['counter']);
+    var_dump($event['counter']);
 
     class FooListener
     {
@@ -96,7 +96,7 @@ Filtering data::
     $event = new GenericEvent($subject, array('data' => 'Foo'));
     $dispatcher->dispatch('foo', $event);
 
-    dump($event['data']);
+    var_dump($event['data']);
 
     class FooListener
     {

components/finder.rst

@@ -31,13 +31,13 @@ directories::
 
     foreach ($finder as $file) {
         // Dump the absolute path
-        dump($file->getRealpath());
+        var_dump($file->getRealpath());
 
         // Dump the relative path to the file, omitting the filename
-        dump($file->getRelativePath());
+        var_dump($file->getRelativePath());
 
         // Dump the relative path to the file
-        dump($file->getRelativePathname());
+        var_dump($file->getRelativePathname());
     }
 
 The ``$file`` is an instance of :class:`Symfony\\Component\\Finder\\SplFileInfo`

components/form/introduction.rst

@@ -396,7 +396,7 @@ is created from the form factory.
             ->add('dueDate', 'date')
             ->getForm();
 
-        dump($twig->render('new.html.twig', array(
+        var_dump($twig->render('new.html.twig', array(
             'form' => $form->createView(),
         )));
 

components/http_foundation/introduction.rst

@@ -415,10 +415,10 @@ represented by a PHP callable instead of a string::
 
     $response = new StreamedResponse();
     $response->setCallback(function () {
-        dump('Hello World');
+        var_dump('Hello World');
         flush();
         sleep(2);
-        dump('Hello World');
+        var_dump('Hello World');
         flush();
     });
     $response->send();

components/intl.rst

@@ -217,7 +217,7 @@ This class currently only works with the `intl extension`_ installed::
     $reader = new BinaryBundleReader();
     $data = $reader->read('/path/to/bundle', 'en');
 
-    dump($data['Data']['entry1']);
+    var_dump($data['Data']['entry1']);
 
 PhpBundleReader
 ~~~~~~~~~~~~~~~
@@ -231,7 +231,7 @@ object::
     $reader = new PhpBundleReader();
     $data = $reader->read('/path/to/bundle', 'en');
 
-    dump($data['Data']['entry1']);
+    var_dump($data['Data']['entry1']);
 
 BufferedBundleReader
 ~~~~~~~~~~~~~~~~~~~~
@@ -272,10 +272,10 @@ returned::
     $data = $reader->read('/path/to/bundle', 'en');
 
     // Produces an error if the key "Data" does not exist
-    dump($data['Data']['entry1']);
+    var_dump($data['Data']['entry1']);
 
     // Returns null if the key "Data" does not exist
-    dump($reader->readEntry('/path/to/bundle', 'en', array('Data', 'entry1')));
+    var_dump($reader->readEntry('/path/to/bundle', 'en', array('Data', 'entry1')));
 
 Additionally, the
 :method:`Symfony\\Component\\Intl\\ResourceBundle\\Reader\\StructuredBundleReaderInterface::readEntry`
@@ -286,7 +286,7 @@ multi-valued entries (arrays), the values of the more specific and the fallback
 locale will be merged. In order to suppress this behavior, the last parameter
 ``$fallback`` can be set to ``false``::
 
-    dump($reader->readEntry(
+    var_dump($reader->readEntry(
         '/path/to/bundle',
         'en',
         array('Data', 'entry1'),

components/property_access/introduction.rst

@@ -51,8 +51,8 @@ method. This is done using the index notation that is used in PHP::
         'first_name' => 'Wouter',
     );
 
-    dump($accessor->getValue($person, '[first_name]')); // 'Wouter'
-    dump($accessor->getValue($person, '[age]')); // null
+    var_dump($accessor->getValue($person, '[first_name]')); // 'Wouter'
+    var_dump($accessor->getValue($person, '[age]')); // null
 
 As you can see, the method will return ``null`` if the index does not exists.
 
@@ -86,13 +86,13 @@ To read from properties, use the "dot" notation::
     $person = new Person();
     $person->firstName = 'Wouter';
 
-    dump($accessor->getValue($person, 'firstName')); // 'Wouter'
+    var_dump($accessor->getValue($person, 'firstName')); // 'Wouter'
 
     $child = new Person();
     $child->firstName = 'Bar';
     $person->children = array($child);
 
-    dump($accessor->getValue($person, 'children[0].firstName')); // 'Bar'
+    var_dump($accessor->getValue($person, 'children[0].firstName')); // 'Bar'
 
 .. caution::
 
@@ -122,7 +122,7 @@ property name (``first_name`` becomes ``FirstName``) and prefixes it with
 
     $person = new Person();
 
-    dump($accessor->getValue($person, 'first_name')); // 'Wouter'
+    var_dump($accessor->getValue($person, 'first_name')); // 'Wouter'
 
 Using Hassers/Issers
 ~~~~~~~~~~~~~~~~~~~~
@@ -151,10 +151,10 @@ getters, this means that you can do something like this::
     $person = new Person();
 
     if ($accessor->getValue($person, 'author')) {
-        dump('He is an author');
+        var_dump('He is an author');
     }
     if ($accessor->getValue($person, 'children')) {
-        dump('He has children');
+        var_dump('He has children');
     }
 
 This will produce: ``He is an author``
@@ -179,7 +179,7 @@ The ``getValue`` method can also use the magic ``__get`` method::
 
     $person = new Person();
 
-    dump($accessor->getValue($person, 'Wouter')); // array(...)
+    var_dump($accessor->getValue($person, 'Wouter')); // array(...)
 
 Magic ``__call()`` Method
 ~~~~~~~~~~~~~~~~~~~~~~~~~
@@ -215,7 +215,7 @@ enable this feature by using :class:`Symfony\\Component\\PropertyAccess\\Propert
         ->enableMagicCall()
         ->getPropertyAccessor();
 
-    dump($accessor->getValue($person, 'wouter')); // array(...)
+    var_dump($accessor->getValue($person, 'wouter')); // array(...)
 
 .. versionadded:: 2.3
     The use of magic ``__call()`` method was introduced in Symfony 2.3.
@@ -239,9 +239,9 @@ method::
 
     $accessor->setValue($person, '[first_name]', 'Wouter');
 
-    dump($accessor->getValue($person, '[first_name]')); // 'Wouter'
+    var_dump($accessor->getValue($person, '[first_name]')); // 'Wouter'
     // or
-    // dump($person['first_name']); // 'Wouter'
+    // var_dump($person['first_name']); // 'Wouter'
 
 Writing to Objects
 ------------------
@@ -275,9 +275,9 @@ can use setters, the magic ``__set`` method or properties to set values::
     $accessor->setValue($person, 'lastName', 'de Jong');
     $accessor->setValue($person, 'children', array(new Person()));
 
-    dump($person->firstName); // 'Wouter'
-    dump($person->getLastName()); // 'de Jong'
-    dump($person->children); // array(Person());
+    var_dump($person->firstName); // 'Wouter'
+    var_dump($person->getLastName()); // 'de Jong'
+    var_dump($person->children); // array(Person());
 
 You can also use ``__call`` to set values but you need to enable the feature,
 see `Enable other Features`_.
@@ -313,7 +313,7 @@ see `Enable other Features`_.
 
     $accessor->setValue($person, 'wouter', array(...));
 
-    dump($person->getWouter()); // array(...)
+    var_dump($person->getWouter()); // array(...)
 
 Mixing Objects and Arrays
 -------------------------
@@ -345,7 +345,7 @@ You can also mix objects and arrays::
     $accessor->setValue($person, 'children[0].firstName', 'Wouter');
     // equal to $person->getChildren()[0]->firstName = 'Wouter'
 
-    dump('Hello '.$accessor->getValue($person, 'children[0].firstName')); // 'Wouter'
+    var_dump('Hello '.$accessor->getValue($person, 'children[0].firstName')); // 'Wouter'
     // equal to $person->getChildren()[0]->firstName
 
 Enable other Features

components/security/authorization.rst

@@ -187,7 +187,7 @@ first constructor argument::
     $role = new Role('ROLE_ADMIN');
 
     // will show 'ROLE_ADMIN'
-    dump($role->getRole());
+    var_dump($role->getRole());
 
 .. note::