<?php

use Vendor\DateTools\DateInterval;
use Vendor\DateTools;

$x = array(new Foo(), array());
$y = new Foo();
$z = new $class();
$bar = new $foo[$x + 1]();

$obj1 = new DateTime();
$obj1 = new \DateTime();
$obj2 = $obj1->add(new \DateTime());
$obj2 = $obj1->add(new Vendor());
$obj2 = $obj1->add(new DateTools());
$obj2 = $obj1->add(new DateInterval());
$obj2 = $obj1->add(new DateInterval());

$bar = new $foo[$x + 1][$y + 1]();

/**
 * Test class.
 */
class Test2 {

  /**
   * Using PHP 7 return type hints is fine.
   *
   * @return ValidatorInterface[]
   *   The validators.
   */
  public function getValidators(): array {
    return [
      new PublishedNodesValidator(),
      new MinimumNodesValidator($this->nrOfArticles),
      new AccessibleOnCurrentDomainValidator($this->sectionService),
    ];
  }

}