Issue #3167137 by Rob C, spuky, VladimirAus: Report incompatible modules on status report page

 */

use Drupal\user\UserInterface;

use Drupal\user_registrationpassword\UserRegistrationPassword;

/**

 * Implements hook_requirements().

 */

function user_registrationpassword_requirements($phase) {

  $requirements = [];

  // Inform the user about incompatible modules.

  if ($phase == 'runtime') {

    $moduleHandler = \Drupal::service('module_handler');

    // Define incompatible modules.

    $incompatible_modules = [

      'logintoboggan',

      'username_enumeration_prevention',

      'sharedemail_pass_reset',

    ];

    $modules_found = [];

    // Test for incompatible modules.

    foreach ($incompatible_modules as $module) {

      if ($moduleHandler->moduleExists($module)) {

        $modules_found[] = $module;

      }

    }

    // Report any issues.

    if (!empty($modules_found)) {

      $modules_found_string = implode(', ', $modules_found);

      $requirements['incompatible_modules'] = [

        'title' => t('Incompatible modules'),

        'value' => t('Your installation contains incompatible modules'),

        'severity' => REQUIREMENT_ERROR,

        'description' => t('The following modules are not compatible with user_registrationpassword: @modules', ['@modules' => $modules_found_string]),

      ];

    }

  }

  return $requirements;

}

/**

 * Implements hook_install().