ClassWithClosure.php

<?php

namespace Doctrine\Tests\Common\Annotations\Fixtures;

use Doctrine\Tests\Common\Annotations\Fixtures\AnnotationTargetAll;
use Doctrine\Tests\Common\Annotations\Fixtures\AnnotationTargetAnnotation;

/**
 * @AnnotationTargetAll("Foo")
 */
final class ClassWithClosure {

  /**
   * @AnnotationTargetAll(@AnnotationTargetAnnotation)
   * @var string
   */
  public $value;

  /**
   * @AnnotationTargetAll(@AnnotationTargetAnnotation)
   *
   * @param   \Closure $callback
   * @return  \Closure
   */
  public function methodName(\Closure $callback) {
    $self = $this;
    return function () use ($self, $callback) {
      return $callback;
    };
  }

  /**
   * @param   integer $year
   * @param   integer $month
   * @param   integer $day
   * @return  \Doctrine\Common\Collections\ArrayCollection
   */
  public function getEventsForDate($year, $month, $day) {
    $extractEvents = null;

    // check if date of item is inside day given
    $extractEvents = $this->events
      ->filter(function ($item) use ($year, $month, $day) {
      $leftDate = new \DateTime($year . '-' . $month . '-' . $day . ' 00:00');
      $rigthDate = new \DateTime($year . '-' . $month . '-' . $day . ' +1 day 00:00');
      return $leftDate <= $item
        ->getDateStart() && $item
        ->getDateStart() < $rigthDate;
    });
    return $extractEvents;
  }

}