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Configurable

SystemTimeZonesRector

Fixes deprecated system_time_zones() calls

-system_time_zones();
-system_time_zones(FALSE, TRUE);
-system_time_zones(NULL, FALSE);
-system_time_zones(TRUE, FALSE);
+\Drupal\Core\Datetime\TimeZoneFormHelper::getOptionsList();
+\Drupal\Core\Datetime\TimeZoneFormHelper::getOptionsListByRegion();
+\Drupal\Core\Datetime\TimeZoneFormHelper::getOptionsList(NULL);
+\Drupal\Core\Datetime\TimeZoneFormHelper::getOptionsList(TRUE);

Configure your rector.php:

<?php

use DrupalRector\Drupal10\Rector\Deprecation\SystemTimeZonesRector;
use DrupalRector\Rector\ValueObject\DrupalIntroducedVersionConfiguration;
use Rector\Config\RectorConfig;

return RectorConfig::configure()
    ->withConfiguredRule(SystemTimeZonesRector::class, [
        new DrupalIntroducedVersionConfiguration('10.1.0'),
    ]);