eZ\Publish\Core\Repository\LocationService::deleteLocation PHP Method

    public function deleteLocation(APILocation $location)
    {
        $location = $this->loadLocation($location->id);
        if (!$this->repository->canUser('content', 'manage_locations', $location->getContentInfo())) {
            throw new UnauthorizedException('content', 'manage_locations');
        }
        if (!$this->repository->canUser('content', 'remove', $location->getContentInfo(), $location)) {
            throw new UnauthorizedException('content', 'remove');
        }
        /** Check remove access to descendants
         * @var bool|\eZ\Publish\API\Repository\Values\Content\Query\Criterion
         */
        $contentReadCriterion = $this->permissionsCriterionHandler->getPermissionsCriterion('content', 'remove');
        if ($contentReadCriterion === false) {
            throw new UnauthorizedException('content', 'remove');
        } elseif ($contentReadCriterion !== true) {
            // Query if there are any content in subtree current user don't have access to
            $query = new Query(array('limit' => 0, 'filter' => new CriterionLogicalAnd(array(new CriterionSubtree($location->pathString), new CriterionLogicalNot($contentReadCriterion)))));
            $result = $this->repository->getSearchService()->findContent($query, array(), false);
            if ($result->totalCount > 0) {
                throw new UnauthorizedException('content', 'remove');
            }
        }
        $this->repository->beginTransaction();
        try {
            $this->persistenceHandler->locationHandler()->removeSubtree($location->id);
            $this->persistenceHandler->urlAliasHandler()->locationDeleted($location->id);
            $this->repository->commit();
        } catch (Exception $e) {
            $this->repository->rollback();
            throw $e;
        }
    }