⚡ return arrays as such

.env

@@ -27,3 +27,7 @@ APP_SECRET=597b0529ac702d27dcb9089f7e69c362
 # IMPORTANT: You MUST also configure your db driver and server_version in config/packages/doctrine.yaml
 DATABASE_URL=mysql://db_user:db_password@127.0.0.1:3306/db_name
 ###< doctrine/doctrine-bundle ###
+
+###> nelmio/cors-bundle ###
+CORS_ALLOW_ORIGIN=^https?://(localhost|127\.0\.0\.1)(:[0-9]+)?$
+###< nelmio/cors-bundle ###

.htaccess

@@ -0,0 +1 @@
+Header set Access-Control-Allow-Origin "*"

composer.json

@@ -5,9 +5,11 @@
     "php": "^7.1.3",
     "ext-ctype": "*",
     "ext-iconv": "*",
+    "ext-json": "*",
     "friendsofsymfony/rest-bundle": "^2.6",
     "jms/serializer-bundle": "^3.4",
     "nelmio/api-doc-bundle": "^3.4",
+    "nelmio/cors-bundle": "^2.0",
     "sensio/framework-extra-bundle": "^5.5",
     "symfony/console": "4.3.*",
     "symfony/dotenv": "4.3.*",
@@ -18,8 +20,7 @@
     "symfony/maker-bundle": "^1.14",
     "symfony/orm-pack": "^1.0",
     "symfony/validator": "4.3.*",
-    "symfony/yaml": "4.3.*",
+    "symfony/yaml": "4.3.*"
-    "ext-json": "*"
   },
   "require-dev": {
     "doctrine/doctrine-fixtures-bundle": "^3.2",

composer.lock

@@ -4,7 +4,7 @@
         "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
         "This file is @generated automatically"
     ],
-    "content-hash": "fa70b5946a14ecedaa82c3754b1601e7",
+    "content-hash": "41bf5f0471bb141a097830cb05bbf807",
     "packages": [
         {
             "name": "doctrine/annotations",
@@ -2489,6 +2489,63 @@
             ],
             "time": "2019-02-18T16:27:10+00:00"
         },
+        {
+            "name": "nelmio/cors-bundle",
+            "version": "2.0.1",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/nelmio/NelmioCorsBundle.git",
+                "reference": "9683e6d30d000ef998919261329d825de7c53499"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/nelmio/NelmioCorsBundle/zipball/9683e6d30d000ef998919261329d825de7c53499",
+                "reference": "9683e6d30d000ef998919261329d825de7c53499",
+                "shasum": ""
+            },
+            "require": {
+                "symfony/framework-bundle": "^4.3 || ^5.0"
+            },
+            "require-dev": {
+                "mockery/mockery": "^1.2",
+                "symfony/phpunit-bridge": "^4.3 || ^5.0"
+            },
+            "type": "symfony-bundle",
+            "extra": {
+                "branch-alias": {
+                    "dev-master": "2.0.x-dev"
+                }
+            },
+            "autoload": {
+                "psr-4": {
+                    "Nelmio\\CorsBundle\\": ""
+                },
+                "exclude-from-classmap": [
+                    "/Tests/"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "MIT"
+            ],
+            "authors": [
+                {
+                    "name": "Nelmio",
+                    "homepage": "http://nelm.io"
+                },
+                {
+                    "name": "Symfony Community",
+                    "homepage": "https://github.com/nelmio/NelmioCorsBundle/contributors"
+                }
+            ],
+            "description": "Adds CORS (Cross-Origin Resource Sharing) headers support in your Symfony application",
+            "keywords": [
+                "api",
+                "cors",
+                "crossdomain"
+            ],
+            "time": "2019-11-15T08:54:08+00:00"
+        },
         {
             "name": "nikic/php-parser",
             "version": "v4.2.5",
@@ -5707,6 +5764,7 @@
                 "code",
                 "zf"
             ],
+            "abandoned": "laminas/laminas-code",
             "time": "2019-10-05T23:18:22+00:00"
         },
         {
@@ -5761,6 +5819,7 @@
                 "events",
                 "zf2"
             ],
+            "abandoned": "laminas/laminas-eventmanager",
             "time": "2018-04-25T15:33:34+00:00"
         },
         {
@@ -6068,7 +6127,8 @@
     "platform": {
         "php": "^7.1.3",
         "ext-ctype": "*",
-        "ext-iconv": "*"
+        "ext-iconv": "*",
+        "ext-json": "*"
     },
     "platform-dev": []
 }

config/bundles.php

@@ -12,4 +12,5 @@ return [
     Doctrine\Bundle\FixturesBundle\DoctrineFixturesBundle::class => ['dev' => true, 'test' => true],
     Nelmio\ApiDocBundle\NelmioApiDocBundle::class => ['all' => true],
     Sensio\Bundle\FrameworkExtraBundle\SensioFrameworkExtraBundle::class => ['all' => true],
+    Nelmio\CorsBundle\NelmioCorsBundle::class => ['all' => true],
 ];

config/packages/nelmio_cors.yaml

@@ -0,0 +1,15 @@
+nelmio_cors:
+    defaults:
+        origin_regex: true
+        allow_origin: ['%env(CORS_ALLOW_ORIGIN)%']
+        allow_methods: ['GET', 'OPTIONS', 'POST', 'PUT', 'PATCH', 'DELETE']
+        allow_headers: ['Content-Type', 'Authorization']
+        expose_headers: ['Link']
+        max_age: 3600
+    paths:
+        '^/': null
+        '^/api/':
+                allow_origin: ['*']
+                allow_headers: ['Content-Type', 'Authorization']
+                allow_methods: ['GET', 'OPTIONS', 'POST', 'PUT', 'PATCH', 'DELETE']
+                max_age: 3600

config/packages/nelmio_cors.yaml~

@@ -0,0 +1,15 @@
+nelmio_cors:
+    defaults:
+        origin_regex: true
+        allow_origin: ['%env(CORS_ALLOW_ORIGIN)%']
+        allow_methods: ['GET', 'OPTIONS', 'POST', 'PUT', 'PATCH', 'DELETE']
+        allow_headers: ['Content-Type', 'Authorization']
+        expose_headers: ['Link']
+        max_age: 3600
+    paths:
+        '^/': null
+        '^/api/':
+                allow_origin: ['*']
+                allow_headers: ['X-Custom-Auth']
+                allow_methods: ['GET', 'OPTIONS', 'POST', 'PUT', 'PATCH', 'DELETE']
+                max_age: 3600

src/Controller/DefaultController.php

@@ -226,13 +226,13 @@ class DefaultController extends AbstractController {
 		$stacks   = [];
 		$choices  = [];
 		foreach ( $poll->getComments() as $c ) {
-			$comments[ $c->getId() ] = $c->display();
+			$comments[] = $c->display();
 		}
 		foreach ( $poll->getStacksOfVotes() as $c ) {
-			$stacks[ $c->getId() ] = $c->display();
+			$stacks[] = $c->display();
 		}
 		foreach ( $poll->getChoices() as $c ) {
-			$choices[ $c->getId() ] = $c->display();
+			$choices[] = $c->display();
 		}
 		$returnedPoll = [
 			'message'        => 'your poll config',

src/Entity/StackOfVotes.php

@@ -50,7 +50,7 @@ class StackOfVotes {
 			'votes'         => [],
 		];
 		foreach ( $this->getVotes() as $vote ) {
-			$tab[ 'votes' ][ $vote->getId() ] = [
+			$tab[ 'votes' ][]       = [
 				'id'        => $this->getId(),
 				'vote_id'   => $vote->getId(),
 				'value'     => $vote->getValue(),

symfony.lock

@@ -183,6 +183,18 @@
             "config/routes/nelmio_api_doc.yaml"
         ]
     },
+    "nelmio/cors-bundle": {
+        "version": "1.5",
+        "recipe": {
+            "repo": "github.com/symfony/recipes",
+            "branch": "master",
+            "version": "1.5",
+            "ref": "6388de23860284db9acce0a7a5d9d13153bcb571"
+        },
+        "files": [
+            "config/packages/nelmio_cors.yaml"
+        ]
+    },
     "nikic/php-parser": {
         "version": "v4.2.4"
     },