<?php

$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 Vendor\DateTools);
$obj2 = $obj1->add(new Vendor\DateTools\DateInterval);
$obj2 = $obj1->add(new \Vendor\DateTools\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),
    ];
  }

}