public function load(ObjectManager $manager)
 {
     $page = new Page();
     $page->setTitle('title');
     $page->setBody('body');
     $manager->persist($page);
     $manager->flush();
     self::$pages[] = $page;
 }
 protected function execute(InputInterface $input, OutputInterface $output)
 {
     $em = $this->getContainer()->get('doctrine')->getManager();
     for ($i = 0; $i < 50; $i++) {
         $page = new Page();
         $page->setTitle('Some title ' . rand(1, 10000));
         $page->setBody('Some Body yea ' . rand(1, 10000));
         $em->persist($page);
         $em->flush();
     }
 }
 public function load(ObjectManager $em)
 {
     $page = new Page();
     $page->setTitle('this is example title');
     $page->setBody('this is example body');
     $em->persist($page);
     $page = new Page();
     $page->setTitle('another awesome title');
     $page->setBody('is this a body, or?...');
     $em->persist($page);
     $em->flush();
 }