function Cron::invokeCronHandlers

Invokes any cron handlers implementing hook_cron.

File

core/lib/Drupal/Core/Cron.php, line 312

Class

Cron

The Drupal core Cron service.

Namespace

Code

protected function invokeCronHandlers() {
  $module_previous = '';
  // If detailed logging isn't enabled, don't log individual execution times.
  $time_logging_enabled = \Drupal::config('system.cron')->get('logging');
  $logger = $time_logging_enabled ? $this->logger : new NullLogger();
  // Iterate through the modules calling their cron handlers (if any):
  $this->moduleHandler
    ->invokeAllWith('cron', function (callable $hook, string $module) use (&$module_previous, $logger) {
    if (!$module_previous) {
      $logger->info('Starting execution of @module_cron().', [
        '@module' => $module,
      ]);
    }
    else {
      $logger->info('Starting execution of @module_cron(), execution of @module_previous_cron() took @time.', [
        '@module' => $module,
        '@module_previous' => $module_previous,
        '@time' => Timer::read('cron_' . $module_previous) . 'ms',
      ]);
    }
    Timer::start('cron_' . $module);
    // Do not let an exception thrown by one module disturb another.
    try {
      $hook();
    } catch (\Exception $e) {
      Error::logException($this->logger, $e);
    }
    Timer::stop('cron_' . $module);
    $module_previous = $module;
  });
  if ($module_previous) {
    $logger->info('Execution of @module_previous_cron() took @time.', [
      '@module_previous' => $module_previous,
      '@time' => Timer::read('cron_' . $module_previous) . 'ms',
    ]);
  }
}