Instalace Atlantic18/DoctrineExtensions do symfony

# Doctrine Configuration
doctrine:
    dbal:
        driver:   pdo_mysql
        host:     "%database_host%"
        port:     "%database_port%"
        dbname:   "%database_name%"
        user:     "%database_user%"
        password: "%database_password%"
        charset:  UTF8
        # if using pdo_sqlite as your database driver:
        #   1. add the path in parameters.yml
        #     e.g. database_path: "%kernel.root_dir%/../var/data/data.sqlite"
        #   2. Uncomment database_path in parameters.yml.dist
        #   3. Uncomment next line:
        #path:     "%database_path%"

    orm:
        auto_generate_proxy_classes: "%kernel.debug%"
        entity_managers:
            default:
                naming_strategy: doctrine.orm.naming_strategy.underscore
                auto_mapping: true
                filters:
                    softdeleteable:
                        class: Gedmo\SoftDeleteable\Filter\SoftDeleteableFilter
                        enabled: true
                mappings:
                    gedmo_translatable:
                        type: annotation
                        prefix: Gedmo\Translatable\Entity
                        dir: "%kernel.root_dir%/../vendor/gedmo/doctrine-extensions/lib/Gedmo/Translatable/Entity"
                        alias: GedmoTranslatable # (optional) it will default to the name set for the mapping
                        is_bundle: false
                    gedmo_translator:
                        type: annotation
                        prefix: Gedmo\Translator\Entity
                        dir: "%kernel.root_dir%/../vendor/gedmo/doctrine-extensions/lib/Gedmo/Translator/Entity"
                        alias: GedmoTranslator # (optional) it will default to the name set for the mapping
                        is_bundle: false
                    gedmo_loggable:
                        type: annotation
                        prefix: Gedmo\Loggable\Entity
                        dir: "%kernel.root_dir%/../vendor/gedmo/doctrine-extensions/lib/Gedmo/Loggable/Entity"
                        alias: GedmoLoggable # (optional) it will default to the name set for the mappingmapping
                        is_bundle: false
                    gedmo_tree:
                        type: annotation
                        prefix: Gedmo\Tree\Entity
                        dir: "%kernel.root_dir%/../vendor/gedmo/doctrine-extensions/lib/Gedmo/Tree/Entity"
                        alias: GedmoTree # (optional) it will default to the name set for the mapping
                        is_bundle: false


stof_doctrine_extensions:
    default_locale: en_US
    orm:
        default:
            tree: true
            sluggable: true
            translatable: true
            timestampable: true
            softdeleteable: true
            

<?php

namespace PageBundle\Entity;

use Gedmo\Mapping\Annotation as Gedmo;
use Doctrine\ORM\Mapping as ORM;



/**
 * StaticPage
 * @Gedmo\Tree(type="nested")
 * @ORM\Table(name="static_page")
 * @ORM\Entity(repositoryClass="PageBundle\Repository\StaticPageRepository")
 *
 */


class StaticPage
{
    /**
     * @ORM\Column(name="id", type="integer")
     * @ORM\Id
     * @ORM\GeneratedValue
     */
    private $id;

    /**
     * @Gedmo\Translatable
     * @ORM\Column(name="title", type="string", length=64)
     */
    private $title;

    /**
     * @Gedmo\TreeLeft
     * @ORM\Column(name="lft", type="integer")
     */
    private $lft;

    /**
     * @Gedmo\TreeRight
     * @ORM\Column(name="rgt", type="integer")
     */
    private $rgt;

    /**
     * @Gedmo\TreeLevel
     * @ORM\Column(name="lvl", type="integer")
     */
    private $lvl;

    /**
     * @Gedmo\TreeRoot
     * @ORM\ManyToOne(targetEntity="StaticPage")
     * @ORM\JoinColumn(name="tree_root", referencedColumnName="id", onDelete="CASCADE")
     */
    private $root;

    /**
     * @Gedmo\TreeParent
     * @ORM\ManyToOne(targetEntity="StaticPage", inversedBy="children")
     * @ORM\JoinColumn(name="parent_id", referencedColumnName="id", onDelete="CASCADE")
     */
    private $parent;

    /**
     * @ORM\OneToMany(targetEntity="StaticPage", mappedBy="parent")
     */
    private $children;

    /**
     * @Gedmo\Translatable
     * @Gedmo\Slug(fields={"title"})
     * @ORM\Column(name="slug", type="string", length=128)
     */
    private $slug;

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

    public function getSlug()
    {
        return $this->slug;
    }

    public function setTitle($title)
    {
        $this->title = $title;
    }

    public function getTitle()
    {
        return $this->title;
    }

    public function getRoot()
    {
        return $this->root;
    }

    public function setParent(StaticPage $parent)
    {
        $this->parent = $parent;
    }

    public function getParent()
    {
        return $this->parent;
    }



}

     $page = new StaticPage();
        $page->setTitle('Něco je špatně');

        dump($page); die;

DefaultController.php on line 26:
StaticPage {#287 ▼
  -id: null
  -title: "Něco je špatně"
  -lft: null
  -rgt: null
  -lvl: null
  -root: null
  -parent: null
  -children: null
  -slug: null
}