function update_check_requirements

Checks update requirements and reports errors and (optionally) warnings.

File

core/includes/update.inc, line 48

Code

function update_check_requirements() {
  // Because this is one of the earliest points in the update process,
  // detect and fix missing schema versions for modules here to ensure
  // it runs on all update code paths.
  _update_fix_missing_schema();
  // Check requirements of all loaded modules.
  $requirements = \Drupal::moduleHandler()->invokeAll('requirements', [
    'update',
  ]);
  \Drupal::moduleHandler()->alter('requirements', $requirements);
  $requirements += update_system_schema_requirements();
  return $requirements;
}