class MultisiteValidator

Checks that the current site is not part of a multisite.

@internal This is an internal part of Package Manager and may be changed or removed at any time without warning. External code should not interact with this class.

Hierarchy

Expanded class hierarchy of MultisiteValidator

File

core/modules/package_manager/src/Validator/MultisiteValidator.php, line 20

Namespace

Drupal\package_manager\Validator
View source 
final class MultisiteValidator implements EventSubscriberInterface {
    use BaseRequirementValidatorTrait;
    use StringTranslationTrait;
    public function __construct(PathLocator $pathLocator) {
    }
    
    /**
     * Validates that the current site is not part of a multisite.
     */
    public function validate(PreOperationStageEvent $event) : void {
        if ($this->isMultisite()) {
            $event->addError([
                $this->t('Drupal multisite is not supported by Package Manager.'),
            ]);
        }
    }
    
    /**
     * Detects if the current site is part of a multisite.
     *
     * @return bool
     *   TRUE if the current site is part of a multisite, otherwise FALSE.
     */
    private function isMultisite() : bool {
        $web_root = $this->pathLocator
            ->getWebRoot();
        if ($web_root) {
            $web_root .= '/';
        }
        $sites_php_path = $this->pathLocator
            ->getProjectRoot() . '/' . $web_root . 'sites/sites.php';
        if (!file_exists($sites_php_path)) {
            return FALSE;
        }
        // @see \Drupal\Core\DrupalKernel::findSitePath()
        $sites = [];
        include $sites_php_path;
        // @see example.sites.php
        return count(array_unique($sites)) > 1;
    }

}

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