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
___ ☘ Cela fonctionne ☘ Open Delete
__________________________________________ Open Delete
_________AAAAAAAAAAAAA_______ Open Delete
_______aaaazz Open Delete
___array___ Open Delete
_Greeting, :D happy 2018 Open Delete
---#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
---#i21ef661e2506d5d0e513dce166c17d49 Open Delete
---#i27992875ec4286a24e569b1e015b0473 Open Delete
---#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
---#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
---#ie025efbbb0738ed01a63b326c174233e Open Delete
(orphée) Open Delete
&&&&&&&&&&& Open Delete
#1 Open Delete
#456 Open Delete
#69 Open Delete
#72uuuuokokok Open Delete
#91 Open Delete
#AlgoSucks Open Delete
#timowashere Open Delete
%237233333 Open Delete
%2372uuuu Open Delete
%2391 Open Delete
%25237233333 Open Delete
%25237233333#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
%25237233333#i21ef661e2506d5d0e513dce166c17d49 Open Delete
%25237233333#i27992875ec4286a24e569b1e015b0473 Open Delete
%25237233333#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
%252372uuuu Open Delete
%252372uuuu#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
%252372uuuu#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
%252372uuuu#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
%252372uuuu#ie025efbbb0738ed01a63b326c174233e Open Delete
%253F#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
%253F#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
%253F#i21ef661e2506d5d0e513dce166c17d49 Open Delete
%253F#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
%253F#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
%253F#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
%27 Open Delete
%C3%83%C2%B1lkjlkj Open Delete
%C3%B1lkjlkj Open Delete
%C3%B1sfkjaldsa Open Delete
<?php echo ' i don't like it ' 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
00000 Open Delete
000tom Open Delete
1 Open Delete
10 Open Delete
11#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
11#i5784b3886628c4362594ffa43547edb4 Open Delete
11#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
11#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
11#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
1111#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
1111#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
1111#i27992875ec4286a24e569b1e015b0473 Open Delete
1111#i5784b3886628c4362594ffa43547edb4 Open Delete
1111#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
1111#ie025efbbb0738ed01a63b326c174233e Open Delete
1111111111111111111111111111111111#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
1111111111111111111111111111111111#i27992875ec4286a24e569b1e015b0473 Open Delete
1111111111111111111111111111111111#i5784b3886628c4362594ffa43547edb4 Open Delete
1111111111111111111111111111111111#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
1111111111111111111111111111111111#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
1111111111111111111111111111111111#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
1111111111111111111111111111111111#ie025efbbb0738ed01a63b326c174233e Open Delete
11111111aaa Open Delete
1111Yapi Open Delete
12 Open Delete
15 Open Delete
1aa Open Delete
1Alpha Open Delete
222 Open Delete
2222 example Open Delete
2323 Open Delete
2344234 Open Delete
3 Open Delete
32jnni Open Delete
33 Open Delete
454 Open Delete
4545 Open Delete
7 Open Delete
86787 Open Delete
8888 Open Delete
890 Open Delete
8chan.org Open Delete
969 Open Delete
99 Open Delete
993223r23 Open Delete
999 Open Delete
☘ Cela fonctionne ☘ Open Delete
a Lorenz Open Delete
a woop woop Open Delete
ñlkjlkj Open Delete
ñsfkjaldsa Open Delete
☘ Cela fonctionne ☘ Open Delete
a2 Open Delete
aa Open Delete
aaa Open Delete
aaaa Open Delete
ñlkjlkj Delete
ñsfkjaldsa Open Delete
aaaaaaaaaaaaaa Open Delete
aaamine Open Delete
aaamine22222#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
aaamine22222#i21ef661e2506d5d0e513dce166c17d49 Open Delete
aaamine22222#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
aasdasd Open Delete
Abc1 Open Delete
adasdada Open Delete
adsfdsf Open Delete
AlgoSucks Open Delete
any Open Delete
Array Open Delete
array%20new Open Delete
array1 Open Delete
array2 Open Delete
arrayGilmry Open Delete
articulo Open Delete
as Open Delete
asaasexample Open Delete
asd Open Delete
asda Open Delete
asdaexample Open Delete
asdas Open Delete
asdasd#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
asdasd#i27992875ec4286a24e569b1e015b0473 Open Delete
asdasd#i5784b3886628c4362594ffa43547edb4 Open Delete
asdasd#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
asdasdadasd Open Delete
asdasdadasd#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
asdasdadasd#i21ef661e2506d5d0e513dce166c17d49 Open Delete
asdasdadasd#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
asdasdadasd#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
asdasdadasd#ie025efbbb0738ed01a63b326c174233e Open Delete
asdasdasd Open Delete
asdf Open Delete
asdfasdfasd Open Delete
asds Open Delete
azazaz Open Delete
azerty Open Delete
b Open Delete
balala Open Delete
bam Open Delete
bbb Open Delete
bbbbbbbbbbb Open Delete
bcvbcvb Open Delete
bjfhj Open Delete
bjfhj#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
bjfhj#i21ef661e2506d5d0e513dce166c17d49 Open Delete
bjfhj#i5784b3886628c4362594ffa43547edb4 Open Delete
bjfhj#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
bjfhj#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
bla Open Delete
blah Open Delete
blah#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
blah#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
blah#i21ef661e2506d5d0e513dce166c17d49 Open Delete
blah#i5784b3886628c4362594ffa43547edb4 Open Delete
blah#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
blah#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
blah#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
Bra Open Delete
bxvbvx Open Delete
caracas Open Delete
cela Open Delete
Cela fonctionne pas Open Delete
checks Open Delete
Christos Open Delete
Cmucik Open Delete
crap Open Delete
cxcxx Open Delete
d Open Delete
dadd Open Delete
das Open Delete
dasdsad Open Delete
ddd Open Delete
dddd Open Delete
ddddd Open Delete
dddddddddddddddddddddd Open Delete
defrsdf Open Delete
delete_empty Open Delete
Demo Open Delete
dfa Open Delete
dfa#i21ef661e2506d5d0e513dce166c17d49 Open Delete
dfa#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
dfg Open Delete
dfvds Open Delete
Doom Open Delete
drgd Open Delete
dsadsadd Open Delete
dsds Open Delete
dsfsdfs Open Delete
dsvfdsfg] Open Delete
dsvfdsfg%5D Open Delete
e Open Delete
ee Open Delete
ejemplo 2 Open Delete
ejemplo 2017-11-23 Open Delete
eqweqwe Open Delete
erwgfuıgj8hlı Open Delete
erwgfuıgj Open Delete
ewe Open Delete
exadasdas Open Delete
exampldfdfe Open Delete
example Open Delete
example exam Open Delete
example+exam Open Delete
example123 Open Delete
example123#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
example123#i27992875ec4286a24e569b1e015b0473 Open Delete
example123#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
example33333 Open Delete
example4 Open Delete
exampleasfsafasf Open Delete
exampleasfsafasf#i21ef661e2506d5d0e513dce166c17d49 Open Delete
exampleasfsafasf#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
exampleasfsafasf#ie025efbbb0738ed01a63b326c174233e Open Delete
exampleaz Open Delete
exampled Open Delete
exampledds Open Delete
exampledsdsdda Open Delete
exampledsdsddasds,sad,a,d,as,d,asd,asd Open Delete
examplee Open Delete
exampleeeeeeeeeeeee Open Delete
examplefffffffffffff Open Delete
examplefh Open Delete
examplefsd Open Delete
examplejjj Open Delete
examplemmmm Open Delete
examplenhnhd Open Delete
exampleRW2 Open Delete
examplesdddd Open Delete
examplesdf Open Delete
examplesdsd Open Delete
exampless Open Delete
exampleu Open Delete
exampleuy Open Delete
examplevbnvnhv Open Delete
exampple Open Delete
examqdqsple Open Delete
Existing arr Open Delete
Existing arrays: Open Delete
Existing%20arrays: Open Delete
eze Open Delete
fasdfasf Open Delete
fat Open Delete
Fda Open Delete
fdf Open Delete
fdf#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
fdf#i21ef661e2506d5d0e513dce166c17d49 Open Delete
fdf#i27992875ec4286a24e569b1e015b0473 Open Delete
fdf#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
fdf#ie025efbbb0738ed01a63b326c174233e Open Delete
fdgfdgfdgfdgfd Open Delete
fdsf Open Delete
fdsfds Open Delete
fe Open Delete
ff d Open Delete
fg Open Delete
fgt Open Delete
foo Open Delete
fr Open Delete
fsdfsdf Open Delete
fuck you Open Delete
gdfg Open Delete
geht nicht Open Delete
gfdgdf Open Delete
ghgtytyt Open Delete
ghione Open Delete
ghjk#i5784b3886628c4362594ffa43547edb4 Open Delete
ghjk#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
ghjk#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
ghjk#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
ghjk#ie025efbbb0738ed01a63b326c174233e Open Delete
ghk Open Delete
ghkjgykg Open Delete
Group B Open Delete
Group%20B Open Delete
Group%2BC#i27992875ec4286a24e569b1e015b0473 Open Delete
Group%2BC#i5784b3886628c4362594ffa43547edb4 Open Delete
Group%2BC#ie025efbbb0738ed01a63b326c174233e Open Delete
Group+C Open Delete
Hallo Open Delete
hbhbhb Open Delete
hello Open Delete
Hello World ! Open Delete
hellowrld Open Delete
HEYY%2520:D Open Delete
HEYY%2520:D#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
HEYY%2520:D#i21ef661e2506d5d0e513dce166c17d49 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
hg Open Delete
hghgh Open Delete
hgjgjh Open Delete
hgkjh Open Delete
hhmm Open Delete
hjvhj Open Delete
hoho Open Delete
htt Open Delete
hyhy Open Delete
i Open Delete
iii Open Delete
iooi Open Delete
itemList Open Delete
iujjj Open Delete
iuy Open Delete
j Open Delete
jb Open Delete
jhj Open Delete
JJ Open Delete
julio Open Delete
khj#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
khj#i21ef661e2506d5d0e513dce166c17d49 Open Delete
khj#i27992875ec4286a24e569b1e015b0473 Open Delete
khj#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
khj#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
kjkjkj Open Delete
kjkk Open Delete
kk Open Delete
kkk Open Delete
kkk#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
kkk#i21ef661e2506d5d0e513dce166c17d49 Open Delete
kkk#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
kkk#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
klk Open Delete
klklklkl Open Delete
kpok%C2%B4p Open Delete
kpok´p Open Delete
lel Open Delete
lkj Open Delete
ll Open Delete
lol Open Delete
Lorenz du Open Delete
loslos Open Delete
m Open Delete
Memes Open Delete
miTest Open Delete
mkmkmk Open Delete
mmm Open Delete
mon tableau Open Delete
mon%20tableau Open Delete
mt Open Delete
Names Open Delete
new test Open Delete
new%2520test Open Delete
nmn Open Delete
nmn#i27992875ec4286a24e569b1e015b0473 Open Delete
nmn#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
nmn#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
nnn Open Delete
Nouveau Open Delete
ñsfkjaldsa Open Delete
o Open Delete
oı Open Delete
oezjfez Open Delete
Open Delete
ok Open Delete
okilol Open Delete
ordersCollection Open Delete
Ouiiiiiiiiiiii Open Delete
Ouiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii Open Delete
Ouiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiiii Open Delete
Ouiiiiiiiiiiiiiiiiiiiiiiiilul Open Delete
ouiou Open Delete
pablo Open Delete
perebetes Open Delete
perses Open Delete
perses#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
perses#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
perses#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
perses#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
perses#ie025efbbb0738ed01a63b326c174233e Open Delete
po Open Delete
poiuytre Open Delete
polo Open Delete
pornhub.com Open Delete
pp Open Delete
pppppii#i27992875ec4286a24e569b1e015b0473 Open Delete
pppppii#i5784b3886628c4362594ffa43547edb4 Open Delete
pppppp Open Delete
prabu Open Delete
project 1 Open Delete
project%201 Open Delete
Putin Open Delete
qqq Open Delete
qsd Open Delete
quantite --1 Open Delete
qwe Open Delete
qwery2 Open Delete
r Open Delete
rar Open Delete
rdfgdf Open Delete
Recipe Open Delete
resr Open Delete
RET Open Delete
rewq Open Delete
rrgf Open Delete
rrrr Open Delete
rrrr#i21ef661e2506d5d0e513dce166c17d49 Open Delete
rrrr#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
rrrr#ie025efbbb0738ed01a63b326c174233e Open Delete
rtr Open Delete
sa Open Delete
saASD Open Delete
saassa Open Delete
sad Open Delete
sad.asdasd.sdsad Open Delete
sadsd Open Delete
salut les gens Open Delete
sami Open Delete
sample Open Delete
samples Open Delete
scts Open Delete
scyx Open Delete
sdasd Open Delete
sdfsdf Open Delete
sdg Open Delete
seeme Open Delete
seeme#i21ef661e2506d5d0e513dce166c17d49 Open Delete
seeme#i27992875ec4286a24e569b1e015b0473 Open Delete
seeme#i5784b3886628c4362594ffa43547edb4 Open Delete
seeme#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
seeme#ie025efbbb0738ed01a63b326c174233e Open Delete
select Open Delete
sfd Open Delete
sfdf Open Delete
sfsdfsd Open Delete
some new array Open Delete
someNewArray#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
someNewArray#i21ef661e2506d5d0e513dce166c17d49 Open Delete
someNewArray#i27992875ec4286a24e569b1e015b0473 Open Delete
someNewArray#i8c18088ea4d8dd4d6e5e986bceed35da Open Delete
someNewArray#ie025efbbb0738ed01a63b326c174233e Open Delete
sss Open Delete
ssssssssssssss Open Delete
Stringkey Open Delete
suck%20my%20cock%20fgts Open Delete
Ta mere la Open Delete
Ta mere la grosse choin Open Delete
Ta mere la grosse tchoin Open Delete
Ta%20mere%20la%20grosse%20choin Open Delete
Ta%2520mere%2520la%2520grosse%2520choin#i1dcd1cbb0d8eeb1fd3a32dc2aa9c8013 Open Delete
Ta%2520mere%2520la%2520grosse%2520choin#i21ef661e2506d5d0e513dce166c17d49 Open Delete
Ta%2520mere%2520la%2520grosse%2520choin#i5784b3886628c4362594ffa43547edb4 Open Delete
tableau%20cellule%20unique Open Delete
TATA Open Delete
terst Open Delete
tes Open Delete
tesst Open Delete
TEST Open Delete
test array Open Delete
test22 Open Delete
test34'A=0 Open Delete
testtest Open Delete
texte Open Delete
the test Open Delete
the%20test Open Delete
this is an Open Delete
this%20is%20an%20array Open Delete
tojo Open Delete
toti Open Delete
tttttz Open Delete
tutu Open Delete
tyty Open Delete
ugghutugituiutu Open Delete
uhj Open Delete
ui Open Delete
uiu Open Delete
ukh Open Delete
uuu Open Delete
Vai%2520que%2520da Open Delete
vcbbc Open Delete
vcvcvcvcvv Open Delete
Volta%2 Open Delete
Volta%20Dilma%20Fora%20Temer Open Delete
Volta%2520Dilma%2520Fora% Open Delete
Volta%2520Dilma%2520Fora%2520Temer#i1097c8b84b58a65ed6ec7b4f0da3ab67 Open Delete
Volta%2520Dilma%2520Fora%2520Temer#i2 Open Delete
Volta%2520Dilma%2520Fora%2520Temer#i21ef661e2506d5d0e513dce16 Open Delete
Volta%2520Dilma%2520Fora%2520Temer#i27992875ec4286a24e569b1e015b0473 Open Delete
Volta%2520Dilma%2520Fora%2520Temer#ibcac9f4c58199eeaa7ba5c7750b8434b Open Delete
Volta%2520Dilma%2520Fora%2520Temer#ic3ee8978c60737ab5d058b5a3f6a1b09 Open Delete
Volta%2520Dilma%2520Fora%2520Temer#ie025efbbb0738ed01a63b326c174233e Open Delete
Volta+Dilma+Fo Open Delete
vxvxcvxcv Open Delete
w Open Delete
werweexample Open Delete
why doctrine on delete not work Open Delete
why doctrine on delete not work? Open Delete
why%20doctrine%20on%20delete%20not%20work Open Delete
why%20doctrine%20on%20delete%20not%20work%3F Open Delete
Woop% Open Delete
Woop%20wooop Open Delete
www Open Delete
wxc%3Cwxc Open Delete
xy Open Delete
yfcx Open Delete
You Open Delete
yy Open Delete
yyyyyyyyyyyyyy Open Delete
z Open Delete
zzz Open Delete
zzzz Open Delete
zzzzzz Open Delete
тест 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 %}