Issue #3293603 by LOBsTerr, phenaproxima: parse_url(): Passing null to...

    ];

    foreach ($files as $type => $file) {

      $is_local = parse_url($file, PHP_URL_SCHEME) === NULL && strpos($file, '//') !== 0;

      $is_local = !empty($file) && parse_url($file, PHP_URL_SCHEME) === NULL && strpos($file, '//') !== 0;

      // If libraries module is active check if folder is malformed.

      if ($is_local

        && \Drupal::moduleHandler()->moduleExists('libraries')

<?php

namespace Drupal\Tests\image_widget_crop\Kernel;

use Drupal\KernelTests\KernelTestBase;

/**

 * Minimal test case for the image_widget_crop module.

 *

 * @group image_widget_crop

 *

 * @ingroup media

 */

class ImageWidgetCropTest extends KernelTestBase {

  /**

   * {@inheritdoc}

   */

  protected static $modules = [

    'file',

    'image',

    'crop',

    'image_widget_crop',

  ];

  /**

   * Tests that image_widget_crop_requirements() returns an array.

   */

  public function testRequirements() {

    $this->container->get('module_handler')->loadInclude('image_widget_crop', 'install');

    $requirements = image_widget_crop_requirements('runtime');

    $this->assertIsArray($requirements);

  }

}