Doctrine\Common\DataFixtures\Loader::hasFixture PHP Метод

    public function hasFixture($fixture)
    {
        return isset($this->fixtures[get_class($fixture)]);
    }

 /**
  * Load a data fixture class
  *
  * @param \Doctrine\Common\DataFixtures\Loader $loader    Data fixtures loader
  * @param string                               $className Class name of fixture
  */
 public function loadFixtureClass($loader, $className)
 {
     $fixture = new $className();
     if ($loader->hasFixture($fixture)) {
         unset($fixture);
         return;
     }
     $loader->addFixture(new $className());
     if ($fixture instanceof DependentFixtureInterface) {
         foreach ($fixture->getDependencies() as $dependency) {
             $this->loadFixtureClass($loader, $dependency);
         }
     }
 }