Advanced usage: example with Doctrine

That's not really an advanced topic, but the sample will be a bit hard to read (as it takes many files), so let's say it targets more experienced Symfony users.

In this demo, we're displaying a MyArray of MyElements, both persisted into the database. The MyArray entity only have an id and a name, and MyElement has id, MyArray's id and a value. This is quite the same as we seen in all demos, but persisted.


Existing arrays:
Name Open Delete
gufc fucvuy Open Delete
name}) }} Open Delete
_ Open Delete
___ ☘ Cela fonctionne ☘ Open Delete
___ ☘ Cela fonctionne à Open Delete
___ Array with Elements ... Click Open to test loading Open Delete
____ Open Delete
____________________________1 test Open Delete
_________coucou Open Delete
_______aaaazz Open Delete
___%20%E2%98%98%20Cela%20fonctionne%20%E2%98%98 Open Delete
__EDLP_7-0_ Open Delete
_a_ Open Delete
_Greeting Open Delete
--- Open Delete
---#i21ef661e2506d5d0e513dce166c17d49 Open Delete
---#i27992875ec4286a24e569b1e015b0473 Open Delete
---#i5784b3886628c4362594ffa43547edb4 Open Delete
---#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
---#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
#456 Open Delete
#7233333 Open Delete
#72uuuu Open Delete
#72uuuuokokok Open Delete
#91 Open Delete
%25237233333#i21ef661e2506d5d0e513dce166c17d49 Open Delete
%25237233333#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
%25237233333#ie025efbbb0738ed01a63b326c174233e Open Delete
%252372uuuu Open Delete
%252372uuuu#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
%252372uuuu#i27992875ec4286a24e569b1e015b0473 Open Delete
%252372uuuu#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
%253F#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
%253F#i21ef661e2506d5d0e513dce166c17d49 Open Delete
%253F#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
%253F#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
%253F#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
%253F#ie025efbbb0738ed01a63b326c174233e Open Delete
%27 Open Delete
%2E Open Delete
%3Csdsads Open Delete
%3F Open Delete
<?php echo ' i don't like it ' Open Delete
<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<LETTRE GREC>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> Open Delete
<script>alert('test')</script> Open Delete
<script>alert('test')</script>%n%n%n%n%n%n Open Delete
<script>alert('test')</script>%n%n%n%n%n%n<script>alert('test')</script>%n%n%n%n%n%n<script>alert('test')</script>%n%n%n%n%n%n<script>alert('test')</script>%n%n%n%n%n%n<script>alert('test')</script>%n%n%n%n%n%n<script>alert('test')</script>%n%n%n%n%n%n<sc Open Delete
<sdsads Open Delete
000tom Open Delete
01233 Open Delete
11#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
11#i5784b3886628c4362594ffa43547edb4 Open Delete
11#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
11#ie025efbbb0738ed01a63b326c174233e Open Delete
1111#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
1111#i21ef661e2506d5d0e513dce166c17d49 Open Delete
1111#i27992875ec4286a24e569b1e015b0473 Open Delete
1111#i5784b3886628c4362594ffa43547edb4 Open Delete
11111 Open Delete
1111111111111111111111111111111111 Open Delete
1111111111111111111111111111111111#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
1111111111111111111111111111111111#i21ef661e2506d5d0e513dce166c17d49 Open Delete
1111111111111111111111111111111111#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
1111111111111111111111111111111111#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
1111111111111111111111111111111111#ie025efbbb0738ed01a63b326c174233e Open Delete
11111111aaa Open Delete
1111Yapi Open Delete
121113 Open Delete
12313 Open Delete
12345 Open Delete
1Alpha Open Delete
2222 example Open Delete
2344234 Open Delete
3 Open Delete
32jnni Open Delete
454 Open Delete
5 Open Delete
8888 Open Delete
8chan.org Open Delete
969 Open Delete
993223r23 Open Delete
☘ Cela fonctionne ☘ Open Delete
a Lorenz Open Delete
ñlkjlkj Open Delete
ñsf Open Delete
ñsfkjaldsa Open Delete
A1 Open Delete
ñlkjlkj Open Delete
ñsfkjaldsa Open Delete
aaaa Open Delete
ñsfkjaldsa Open Delete
aaaaaa Open Delete
тест Open Delete
aaamine Open Delete
aaamine22222 Open Delete
aaamine22222#i5784b3886628c4362594ffa43547edb4 Open Delete
aaamine22222#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
aaamine22222#ie025efbbb0738ed01a63b326c174233e Open Delete
Abc Open Delete
adfadf Open Delete
adrian Open Delete
adsfdsf Open Delete
Array Open Delete
array%20new Open Delete
array2 Open Delete
arrayGilmry Open Delete
asd Open Delete
asda Open Delete
asdaexample Open Delete
asdas Open Delete
asdasd#i27992875ec4286a24e569b1e015b0473 Open Delete
asdasd#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
asdasdadasd Open Delete
asdasdadasd#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
asdasdadasd#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
asdasdadasd#i27992875ec4286a24e569b1e015b0473 Open Delete
asdasdadasd#ie025efbbb0738ed01a63b326c174233e Open Delete
asdasdasd Open Delete
asdf Open Delete
asdfasdfasd Open Delete
asdfasdfasd8888 Open Delete
asdfg Open Delete
azazaz Open Delete
b Open Delete
balala Open Delete
bam Open Delete
bbb Open Delete
bbbbbbbbbbb Open Delete
bc Open Delete
bcvbcvb Open Delete
bite Open Delete
bjfhj#i21ef661e2506d5d0e513dce166c17d49 Open Delete
bjfhj#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
blah#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
blah#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
born Open Delete
bxvbvx Open Delete
cdcdc Open Delete
Christos Open Delete
ciao Open Delete
Cmucik Open Delete
cnes Open Delete
colombo Open Delete
cool Open Delete
crap Open Delete
cx Open Delete
cx<wc Open Delete
cx<wc'A=0 Open Delete
cxcxx Open Delete
d Open Delete
D#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
dasd Open Delete
dcdc Open Delete
dd Open Delete
ddd Open Delete
ddddd Open Delete
defrsdf Open Delete
Demo Open Delete
dfa#i21ef661e2506d5d0e513dce166c17d49 Open Delete
dfa#i5784b3886628c4362594ffa43547edb4 Open Delete
dfa#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
dfa#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
dfa#ie025efbbb0738ed01a63b326c174233e Open Delete
dfdfdf Open Delete
dfdsf Open Delete
dfgdfg Open Delete
dfsdf Open Delete
dfzre Open Delete
dghdfgdfgd Open Delete
dra Open Delete
drgd Open Delete
ee Open Delete
eeeeee Open Delete
ejemplito 2 Open Delete
ejemplo 2 Open Delete
ejemplo 2017 Open Delete
ejemplo 2017-11-23 Open Delete
erwgfu%C4%B1gj8hl%C4%B1 Open Delete
erwgfuıgj8hlı Open Delete
exadasdas Open Delete
exam Open Delete
example Open Delete
example Radu Open Delete
example1 Open Delete
example123#i5784b3886628c4362594ffa43547edb4 Open Delete
example123#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
example2 Open Delete
example22222222222222 Open Delete
example3243423 Open Delete
example33333 Open Delete
exampleasd Open Delete
exampleasfsafasf Open Delete
exampleasfsafasf#ie025efbbb0738ed01a63b326c174233e Open Delete
exampled Open Delete
exampledsdsdda Open Delete
examplee Open Delete
examplefh Open Delete
examplehjkhjk Open Delete
examplemmm Open Delete
examplesdsd Open Delete
exampless Open Delete
exampletes Open Delete
exampleuy Open Delete
examplevbnvnhv Open Delete
examplew Open Delete
exampple Open Delete
examqdqsple Open Delete
exdedededdedeeample Open Delete
Existing arr Open Delete
Existing arrays: Open Delete
Existing%20arrays: Open Delete
fasdfasf Open Delete
fat Open Delete
fc Open Delete
fdf#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
fdf#i21ef661e2506d5d0e513dce166c17d49 Open Delete
fdf#i27992875ec4286a24e569b1e015b0473 Open Delete
fdf#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
fdsdf Open Delete
fe Open Delete
fgdfg Open Delete
fgdfgfg Open Delete
fghjk, Open Delete
fgjgh Open Delete
fgt Open Delete
frfrf Open Delete
fsda Open Delete
fsdfd Open Delete
gdfg#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
gdfg#i27992875ec4286a24e569b1e015b0473 Open Delete
gdfg#i5784b3886628c4362594ffa43547edb4 Open Delete
gdfg#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
gdfg#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
gege Open Delete
gg Open Delete
gg'A=0 Open Delete
Ggg Open Delete
GGI Open Delete
ghjk#i21ef661e2506d5d0e513dce166c17d49 Open Delete
ghjk#i27992875ec4286a24e569b1e015b0473 Open Delete
ghjk#i5784b3886628c4362594ffa43547edb4 Open Delete
ghjk#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
ghjk#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
ghkjgykg Open Delete
Ghy Open Delete
Group B Open Delete
Group%20B Open Delete
Group%2BC Open Delete
Group%2BC#i27992875ec4286a24e569b1e015b0473 Open Delete
Group%2BC#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
Group%2BC#ie025efbbb0738ed01a63b326c174233e Open Delete
Group+C Open Delete
gufc fucvuy Open Delete
gufc fucvuy dd Open Delete
hahah Open Delete
Hello World ! Open Delete
Hello%20World%20! Open Delete
hellowrld Open Delete
HEYY%2520:D Open Delete
HEYY%2520:D#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
HEYY%2520:D#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
HEYY%2520:D#i27992875ec4286a24e569b1e015b0473 Open Delete
HEYY%2520:D#i5784b3886628c4362594ffa43547edb4 Open Delete
HEYY%2520:D#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
HEYY%2520:D#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
HEYY%2520:D#ie025efbbb0738ed01a63b326c174233e Open Delete
hghgh Open Delete
hgkjh Open Delete
hhh Open Delete
hhmm Open Delete
hi bitches Open Delete
hi%20bitches Open Delete
hu Open Delete
iooi Open Delete
ismail Open Delete
itemList2 Open Delete
iujjj Open Delete
jghjghjgj Open Delete
jhgfgh Open Delete
jhj Open Delete
jj Open Delete
khj Open Delete
khj#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
khj#i27992875ec4286a24e569b1e015b0473 Open Delete
khj#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
khj#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
khj#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
kiki Open Delete
kjkjkj Open Delete
kk Open Delete
kkk#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
kkk#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
kljlk Open Delete
klk Open Delete
kmkm Open Delete
kpok´p Open Delete
lel Open Delete
lj Open Delete
lkjlkj Open Delete
lmklk Delete
Lorenz du stinker Open Delete
loslos Open Delete
m Open Delete
mardi Open Delete
mec Open Delete
mjn Open Delete
mmm Open Delete
moj Open Delete
mon putain de tableau Open Delete
mon%20tableau Open Delete
msqdgj Open Delete
my_array Open Delete
myarr Open Delete
mytest Open Delete
name Open Delete
nbnv Open Delete
тест Open Delete
new Open Delete
New Array Open Delete
new test Open Delete
New_test_2017-03_03 Open Delete
nmn Open Delete
nmn#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
nmn#i27992875ec4286a24e569b1e015b0473 Open Delete
o Open Delete
o%C4%B1 Open Delete
oı Open Delete
oij Open Delete
ok Open Delete
okilol Open Delete
olaboga Open Delete
oui Open Delete
Ouiiiiiiiiiiii Open Delete
PC Open Delete
peppo Open Delete
perebetes Open Delete
perses#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
perses#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
perses#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
perses#ie025efbbb0738ed01a63b326c174233e Open Delete
po Open Delete
polo Open Delete
pp Open Delete
pppppii#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
pppppii#i21ef661e2506d5d0e513dce166c17d49 Open Delete
pppppii#ie025efbbb0738ed01a63b326c174233e Open Delete
pppppp Open Delete
project%201 Open Delete
question2 Open Delete
qwe Open Delete
qwerqwerqw Open Delete
qwert Open Delete
rar Open Delete
Recipe Open Delete
rerererere Open Delete
rewq Open Delete
rrrr#ie025efbbb0738ed01a63b326c174233e Open Delete
saASD Open Delete
saassa Open Delete
sad Open Delete
sad.asdasd.sdsad Open Delete
sadsad Open Delete
salut les Open Delete
sam Open Delete
samArray Open Delete
sample Open Delete
scts Open Delete
sd Open Delete
sdasdafs Open Delete
sdfsdf Open Delete
seeme Open Delete
seeme#i21ef661e2506d5d0e513dce166c17d49 Open Delete
seeme#i5784b3886628c4362594ffa43547edb4 Open Delete
seeme#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
seeme#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
seeme#ie025efbbb0738ed01a63b326c174233e Open Delete
seqtest Open Delete
sfd Open Delete
sfdf Open Delete
sfsa Open Delete
someNewArray#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
someNewArray#i21ef661e2506d5d0e513dce166c17d49 Open Delete
someNewArray#i5784b3886628c4362594ffa43547edb4 Open Delete
someNewArray#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
someNewArray#ie025efbbb0738ed01a63b326c174233e Open Delete
sqsq Open Delete
ssss Open Delete
ssssssssssssss Open Delete
ssssssssssssssssssssssssss Open Delete
Starojitski Open Delete
STASI Open Delete
suck my co Open Delete
suck my cock fgts Open Delete
t Open Delete
t11 Open Delete
Ta mere la Open Delete
Ta mere la grosse choin Open Delete
Ta%20mere%20la%20grosse%20tchoin Open Delete
Ta%2520mere%2520la%2520grosse%2520choin#i5784b3886628c4362594ffa43547edb4 Open Delete
Ta%2520mere%2520la%2520grosse%2520choin#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
Ta%2520mere%2520la%2520grosse%2520choin#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
Ta%2520mere%2520la%2520grosse%2520choin#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
tableau%20cellule%20unique Open Delete
TATA Open Delete
Telous Open Delete
tesss Open Delete
test nours Open Delete
test--1 Open Delete
TEST912 Open Delete
testarray Open Delete
Teste Open Delete
teste2 Open Delete
TESTEN Open Delete
Tester Open Delete
testname Open Delete
testsetse Open Delete
testtest Open Delete
Teszt Open Delete
tet Open Delete
the test Open Delete
the%20test Open Delete
the+test Open Delete
This Open Delete
toto Open Delete
totototototo Open Delete
tre Open Delete
trololo Open Delete
try01 Open Delete
tryy5 Open Delete
ttt Open Delete
tttttz Open Delete
tyrtyrtr Open Delete
ugghutugituiutu Open Delete
uhj Open Delete
uiu Open Delete
Vai%20que%20da Open Delete
vcbbc Open Delete
vcvcvcvcvv Open Delete
Volta Dilm Open Delete
Volta%2 Open Delete
Volta%20Di Open Delete
Volta%20Dilma%20Fora%20Temer Open Delete
Volta%2520Dilma%2520Fora% Open Delete
Volta%2520Dilma%2520Fora%2520Temer Open Delete
Volta%2520Dilma%2520Fora%2520Temer#i5784b3886628c4362594ffa43547edb4 Open Delete
Volta%2520Dilma%2520Fora%2520Temer#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
Volta+Dilma+Fora+Temer Open Delete
VRE Open Delete
vv Open Delete
vxvxcvxcv Open Delete
werweexample Open Delete
why doctrine Open Delete
why doctrine on delete not work? Open Delete
why%20doctrine%20on%20delete%20not%20work Open Delete
Woop%20wooop Open Delete
wqeqe Open Delete
www Open Delete
wxc<wxc Open Delete
Xbox Series X > PS5 Open Delete
xcxcxcx Open Delete
xd Open Delete
xx Open Delete
xxx Open Delete
yfcx Open Delete
yy Open Delete
yyyyyyyyyyyyyy Open Delete
zzzz Open Delete
zzzzzz Open Delete
<?php

namespace Fuz\AppBundle\Base;

use Fuz\AppBundle\Entity\Value;
use Fuz\AppBundle\Form\ValueType;
use Fuz\QuickStartBundle\Base\BaseController as QuickStartBase;
use Symfony\Component\Form\Extension\Core\Type;
use Symfony\Component\HttpFoundation\Request;

class BaseController extends QuickStartBase
{
    protected function createContextSample(Request $request, $name = 'form', $values = ['a', 'b', 'c'])
    {
        $data = ['values' => $values];

        $form = $this
           ->get('form.factory')
           ->createNamedBuilder($name, Type\FormType::class, $data)
           ->add('values', Type\CollectionType::class, [
               'entry_type'    => Type\TextType::class,
               'label'         => 'Add, move, remove values and press Submit.',
               'entry_options' => [
                   'label' => 'Value',
               ],
               'allow_add'    => true,
               'allow_delete' => true,
               'prototype'    => true,
               'attr'         => [
                   'class' => "{$name}-collection",
               ],
           ])
           ->add('submit', Type\SubmitType::class)
           ->getForm()
        ;

        $form->handleRequest($request);
        if ($form->isValid()) {
            $data = $form->getData();
        }

        return [
            $name         => $form->createView(),
            "{$name}Data" => $data,
        ];
    }

    protected function createAdvancedContextSample(Request $request, $name = 'advancedForm')
    {
        $a = new Value('a');
        $b = new Value('b');
        $c = new Value('c');

        $data = ['values' => [$a, $b, $c]];

        $form = $this
           ->get('form.factory')
           ->createNamedBuilder($name, Type\FormType::class, $data)
           ->add('values', Type\CollectionType::class, [
               'entry_type'   => ValueType::class,
               'label'        => 'Add, move, remove values and press Submit.',
               'allow_add'    => true,
               'allow_delete' => true,
               'prototype'    => true,
               'required'     => false,
               'attr'         => [
                   'class' => "{$name}-collection",
               ],
           ])
           ->add('submit', Type\SubmitType::class)
           ->getForm()
        ;

        $form->handleRequest($request);
        if ($form->isValid()) {
            $data = $form->getData();
        }

        return [
            $name         => $form->createView(),
            "{$name}Data" => $data,
        ];
    }
}
<?php

namespace Fuz\AppBundle\Controller;

use Fuz\AppBundle\Base\BaseController;
use Fuz\AppBundle\Entity\Address;
use Fuz\AppBundle\Entity\Addresses;
use Fuz\AppBundle\Entity\Fancy;
use Fuz\AppBundle\Entity\FancyCollection;
use Fuz\AppBundle\Entity\Value;
use Fuz\AppBundle\Form\AddressesType;
use Fuz\AppBundle\Form\FancyCollectionType;
use Fuz\AppBundle\Form\MyArrayType;
use Fuz\AppBundle\Form\ValueType;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Route;
use Sensio\Bundle\FrameworkExtraBundle\Configuration\Template;
use Symfony\Component\Form\Extension\Core\Type;
use Symfony\Component\HttpFoundation\Request;

/**
 * @Route("/advanced")
 */
class AdvancedController extends BaseController
{
    /**
     * Advanced usage
     *
     * You can reference your form collection in the view, instead of
     * putting a selector in the form type.
     *
     * @Route("/mvcCompliance", name="mvcCompliance")
     * @Template()
     */
    public function mvcComplianceAction(Request $request)
    {
        $data = ['values' => ['a', 'b', 'c']];

        $form = $this
           ->createFormBuilder($data)
           ->add('values', Type\CollectionType::class, [
               'entry_type'    => Type\TextType::class,
               'label'         => 'Add, move, remove values and press Submit.',
               'entry_options' => [
                   'label' => 'Value',
               ],
               'allow_add'    => true,
               'allow_delete' => true,
               'prototype'    => true,
               'required'     => false,
//                   'attr' => array (
//                           'class' => 'my-selector', <--- Not MVC compliant!
//                   ),
           ])
           ->add('submit', Type\SubmitType::class)
           ->getForm()
        ;

        $form->handleRequest($request);
        if ($form->isValid()) {
            $data = $form->getData();
        }

        return [
            'form' => $form->createView(),
            'data' => $data,
        ];
    }

    /**
     * Advanced usage
     *
     * A custom form theme helps define button's layout and positions as and where you want.
     *
     * @Route("/customFormTheme", name="customFormTheme")
     * @Template()
     */
    public function customFormThemeAction(Request $request)
    {
        $data = ['values' => [new Value('a'), new Value('b'), new Value('c')]];

        $form = $this
           ->createFormBuilder($data)
           ->add('values', Type\CollectionType::class, [
               'entry_type'   => ValueType::class,
               'label'        => 'Add, move, remove values and press Submit.',
               'allow_add'    => true,
               'allow_delete' => true,
               'prototype'    => true,
               'required'     => false,
               'attr'         => [
                   'class' => 'collection',
               ],
           ])
           ->add('submit', Type\SubmitType::class)
           ->getForm()
        ;

        $form->handleRequest($request);
        if ($form->isValid()) {
            $data = $form->getData();
        }

        return [
            'form' => $form->createView(),
            'data' => $data,
        ];
    }

    /**
     * Advanced usage
     *
     * Same demo as above, but with the add button located at the bottom of
     * the form instead of close to each field.
     *
     * @Route("/customFormThemeAddBottom", name="customFormThemeAddBottom")
     * @Template()
     */
    public function customFormThemeAddBottomAction(Request $request)
    {
        return $this->customFormThemeAction($request);
    }

    /**
     * Advanced usage
     *
     * Collection of collections are useful on the most dynamic forms, and a good
     * way to test if the plugin is working as expected too.
     *
     * @Route("/collectionOfCollections", name="collectionOfCollections")
     * @Template()
     */
    public function collectionOfCollectionsAction(Request $request)
    {
        $data = [
            'collections' => [
                [new Value('a'), new Value('b'), new Value('c')],
                [new Value('d'), new Value('e'), new Value('f')],
                [new Value('g'), new Value('h'), new Value('i')],
            ],
        ];

        $form = $this
           ->get('form.factory')
           ->createNamedBuilder('form', Type\FormType::class, $data)
           ->add('collections', Type\CollectionType::class, [
               'entry_type'    => Type\CollectionType::class,
               'label'         => 'Add, move, remove collections',
               'entry_options' => [
                   'entry_type'    => ValueType::class,
                   'label'         => 'Add, move, remove values',
                   'entry_options' => [
                       'label' => 'Value',
                   ],
                   'allow_add'      => true,
                   'allow_delete'   => true,
                   'prototype'      => true,
                   'prototype_name' => '__children_name__',
                   'attr'           => [
                       'class' => 'child-collection',
                   ],
               ],
               'allow_add'      => true,
               'allow_delete'   => true,
               'prototype'      => true,
               'prototype_name' => '__parent_name__',
               'attr'           => [
                   'class' => 'parent-collection',
               ],
           ])
           ->add('submit', Type\SubmitType::class)
           ->getForm()
        ;

        $form->handleRequest($request);
        if ($form->isValid()) {
            $data = $form->getData();
        }

        return [
            'form' => $form->createView(),
            'data' => $data,
        ];
    }

    /**
     * Advanced usage
     *
     * Looks like there are weird behaviours with Doctrine:
     * https://github.com/ninsuo/symfony-collection/issues/7
     * Let's test that live!
     *
     * ... hmm, doesn't look bad anyway
     *
     * @Route(
     *      "/usageWithDoctrine/{name}",
     *      name = "usageWithDoctrine",
     *      defaults = {
     *          "name" = "example"
     *      }
     * )
     * @Template()
     */
    public function usageWithDoctrineAction(Request $request, $name)
    {
        $repo = $this->getDoctrine()->getRepository('FuzAppBundle:MyArray');

        $data = $repo->findOneByName($name);
        if (is_null($data)) {
            $data = $repo->create($name);
        }

        $form = $this->createForm(MyArrayType::class, $data);
        $form->handleRequest($request);

        $form->get('save')->isClicked() && $form->isValid() && $repo->save($data);

        return [
            'names' => $repo->getArrayNames(),
            'form'  => $form->createView(),
            'data'  => $data,
        ];
    }

    /**
     * Related to usageWithDoctrine demo
     *
     * @Route(
     *      "/usageWithDoctrineDelete/{name}",
     *      name = "usageWithDoctrineDelete"
     * )
     */
    public function usageWithDoctrineDeleteAction(Request $request, $name)
    {
        $repo = $this->getDoctrine()->getRepository('FuzAppBundle:MyArray');
        if (!is_null($data = $repo->findOneByName($name))) {
            $repo->delete($data);
        }

        return $this->forward('FuzAppBundle:Advanced:usageWithDoctrine', [
            'name' => 'example',
        ]);
    }

    /**
     * A form having a theme and containing several fields
     *
     * @Route(
     *      "/formHavingSeveralFields",
     *      name = "formHavingSeveralFields"
     * )
     * @Template()
     */
    public function formHavingSeveralFieldsAction(Request $request)
    {
        $address = new Address();
        $address->setName('Mickael Steller');
        $address->setCompany('fuz.org');
        $address->setStreet('41 rue de la Paix');
        $address->setPostalcode('75002');
        $address->setCity('Paris');
        $address->setCountry('France');

        $addresses = new Addresses();
        $addresses->getAddresses()->add($address);

        $form = $this->createForm(AddressesType::class, $addresses);
        if ($request->isMethod('POST')) {
            $form->handleRequest($request);
        }

        return [
            'form' => $form->createView(),
            'data' => $addresses,
        ];
    }

    /**
     * Another example of form theme
     *
     * @Route(
     *      "/fancyFormTheme",
     *      name = "fancyFormTheme"
     * )
     * @Template()
     */
    public function fancyFormThemeAction(Request $request)
    {
        $fancyCollection = new FancyCollection();

        for ($i = 0; $i < 3; $i++) {
            $fancy = new Fancy();
            $fancyCollection->getFancyCollection()->add($fancy);
        }

        $form = $this->createForm(FancyCollectionType::class, $fancyCollection);

        $form->handleRequest($request);
        if ($form->isValid()) {
            $data = $form->getData();
        }

        return [
            'form' => $form->createView(),
            'data' => $fancyCollection,
        ];
    }
}
<?php

namespace Fuz\AppBundle\Entity;

use Doctrine\Common\Collections\ArrayCollection;
use Doctrine\ORM\Mapping as ORM;

/**
 * MyArray
 *
 * @ORM\Table(
 *      name="my_array",
 *      uniqueConstraints={@ORM\UniqueConstraint(name="name_idx", columns={"name"})}
 * )
 * @ORM\Entity(repositoryClass="Fuz\AppBundle\Repository\MyArrayRepository")
 */
class MyArray
{
    /**
     * @var int
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * @var string
     *
     * @ORM\Column(name="name", type="string", length=255)
     */
    protected $name;

    /**
     * @var ArrayCollection
     *
     * @ORM\OneToMany(targetEntity="MyElement", mappedBy="array", cascade={"all"}, orphanRemoval=true)
     */
    protected $elements;

    public function __construct()
    {
        $this->elements = new ArrayCollection();
    }

    public function getId()
    {
        return $this->id;
    }

    public function getName()
    {
        return $this->name;
    }

    public function setName($name)
    {
        $this->name = $name;

        return $this;
    }

    public function getElements()
    {
        return $this->elements;
    }
}
<?php

namespace Fuz\AppBundle\Entity;

use Doctrine\ORM\Mapping as ORM;

/**
 * MyElement
 *
 * @ORM\Table(name="my_element"),
 * @ORM\Entity
 */
class MyElement
{
    /**
     * @var int
     *
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue(strategy="AUTO")
     */
    protected $id;

    /**
     * @var MyArray
     *
     * @ORM\ManyToOne(targetEntity="MyArray", inversedBy="elements")
     * @ORM\JoinColumn(name="my_array_id", referencedColumnName="id")
     */
    protected $array;

    /**
     * @var string
     *
     * @ORM\Column(name="value", type="string", length=255)
     */
    protected $value;

    public function setId($id)
    {
        $this->id = $id;

        return $this;
    }

    public function getId()
    {
        return $this->id;
    }

    public function setArray(MyArray $array)
    {
        $this->array = $array;

        return $this;
    }

    public function getArray()
    {
        return $this->array;
    }

    public function setValue($value)
    {
        $this->value = $value;

        return $this;
    }

    public function getValue()
    {
        return $this->value;
    }
}
<?php

namespace Fuz\AppBundle\Form;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Extension\Core\Type\CollectionType;
use Symfony\Component\Form\Extension\Core\Type\SubmitType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;

class MyArrayType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder->add('name', TextType::class, [
                'label' => 'Array name:',
        ]);

        $builder->add('elements', CollectionType::class, [
            'label'        => 'Add an element...',
            'entry_type'   => MyElementType::class,
            'allow_add'    => true,
            'allow_delete' => true,
            'prototype'    => true,
            'required'     => false,
            'by_reference' => true,
            'delete_empty' => true,
            'attr'         => [
                'class' => 'doctrine-sample',
            ],
        ]);

        $builder->add('save', SubmitType::class, [
                'label' => 'Save this array',
        ]);
    }

    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults([
            'data_class' => 'Fuz\AppBundle\Entity\MyArray',
        ]);
    }

    public function getBlockPrefix()
    {
        return 'my_array';
    }
}
<?php

namespace Fuz\AppBundle\Form;

use Symfony\Component\Form\AbstractType;
use Symfony\Component\Form\Extension\Core\Type\TextType;
use Symfony\Component\Form\FormBuilderInterface;
use Symfony\Component\OptionsResolver\OptionsResolver;

class MyElementType extends AbstractType
{
    public function buildForm(FormBuilderInterface $builder, array $options)
    {
        $builder->add('value', TextType::class, [
            'required' => false,
        ]);
    }

    public function configureOptions(OptionsResolver $resolver)
    {
        $resolver->setDefaults([
            'data_class' => 'Fuz\AppBundle\Entity\MyElement',
        ]);
    }

    public function getBlockPrefix()
    {
        return 'my_element';
    }
}
<?php

namespace Fuz\AppBundle\Repository;

use Doctrine\DBAL\Exception\UniqueConstraintViolationException;
use Doctrine\ORM\EntityRepository;
use Fuz\AppBundle\Entity\MyArray;

/**
 * MyArrayRepository.
 */
class MyArrayRepository extends EntityRepository
{
    public function create($name)
    {
        $data = new MyArray();
        $data->setName($name);
        try {
            $this->_em->persist($data);
            $this->_em->flush();
        } catch (UniqueConstraintViolationException $e) {
            return null;
        }

        return $data;
    }

    public function save(MyArray $data)
    {
        foreach ($data->getElements() as $element) {
            $element->setArray($data);
        }
        try {
            $this->_em->persist($data);
            $this->_em->flush();
        } catch (UniqueConstraintViolationException $e) {
            return null;
        }

        return $data;
    }

    public function getArrayNames()
    {
        $arrays = $this
            ->_em
            ->createQuery("
               SELECT arr.name
               FROM Fuz\AppBundle\Entity\MyArray arr
            ")
            ->execute();
        $names = [];
        foreach ($arrays as $array) {
            $names[] = $array['name'];
        }

        return $names;
    }

    public function delete(MyArray $data)
    {
        foreach ($data->getElements() as $element) {
            $this->_em->remove($element);
        }
        $this->_em->remove($data);
        $this->_em->flush();
    }
}

{% block my_element_label %}{% endblock %}
{% block my_element_errors %}{% endblock %}

{% block my_element_widget %}

    <div class="row">
        <div class="col-md-7">
            {{ form_widget(form.value) }}
        </div>
        <div class="col-md-2">
            <a href="#" class="collection-up btn btn-default">Up</a>
            <a href="#" class="collection-down btn btn-default">Down</a>
        </div>
        <div class="col-md-2">
            <a href="#" class="collection-remove btn btn-default">Remove</a>
            <a href="#" class="collection-add btn btn-default">Add</a>
        </div>
        <div class="col-md-1">
            <a href="#" class="collection-duplicate btn btn-default">Duplicate</a>
        </div>
    </div>

{% endblock %}
{% extends 'FuzAppBundle::layout.html.twig' %}

{% block extra_js %}
    <script src="{{ asset('js/jquery.collection.js') }}"></script>
{% endblock %}

{% block title %}Advanced usage: example with Doctrine{% endblock %}

{% block body %}

    <h2>{{ block('title') }}</h2>

    <p>
        That's not really an <i>advanced</i> topic, but the sample will be a bit hard to read (as it takes many files),
        so let's say it targets more experienced Symfony users.
    </p>

    <p>
        In this demo, we're displaying a MyArray of MyElements, both persisted into the database. The MyArray entity
        only have an id and a name, and MyElement has id, MyArray's id and a value. This is quite the same as we seen
        in all demos, but persisted.
    </p>

    <div class="text-center">
        <input type="button" id="new" class="btn btn-default" value="Create new array"/>
    </div>

    {%
        form_theme form
            'jquery.collection.html.twig'
            'FuzAppBundle:Advanced:doctrine-theme.html.twig'
    %}
    {{ form(form) }}

    <hr/>

    {% if names|length %}
        Existing arrays:
        <table class="table">
            <thead>
                <th>Name</th>
                <th>Open</th>
                <th>Delete</th>
            </thead>
            <tbody>
                {% for name in names %}
                    <tr>
                        <td>{{ name }}</td>
                        <td>
                            {% if data.name != name %}<a href="{{ path('usageWithDoctrine', {'name': name}) }}">Open</a>{% endif %}
                        </td>
                        <td><a href="{{ path('usageWithDoctrineDelete', {'name': name}) }}">Delete</a></td>
                    </tr>
                {% endfor %}
            </tbody>
        </table>
    {% endif %}

    {{
        tabs([
            'Base/BaseController.php',
            'Controller/AdvancedController.php',
            'Resources/views/Advanced/usageWithDoctrine.html.twig',
            'Resources/views/Advanced/doctrine-theme.html.twig',
            'Entity/MyArray.php',
            'Form/MyArrayType.php',
            'Entity/MyElement.php',
            'Form/MyElementType.php',
            'Repository/MyArrayRepository.php',
        ])
    }}

{% endblock %}

{% block script %}

    <script type="text/javascript">

        // only useful for the "new" button...
        $('#new').on('click', function() {
           var name = prompt("Which name would you like to use?");
           if (name) {
               var uri = '{{ path('usageWithDoctrine', {'name': 'a'}) }}';
               document.location = uri.substr(0, uri.length - 1) + encodeURIComponent(name);
           }
        });

        $('.doctrine-sample').collection();

    </script>

{% endblock %}