CBPAllStateService::getIdsByDocument: Bitrix method

      
<?php 
//  CBPAllStateService :: getIdsByDocument()
//  /dist/bitrix/modules/bizproc/classes/general/stateservice.php:271

    public static function getIdsByDocument(array $documentId)
    {
        $documentId = \CBPHelper::ParseDocumentId($documentId);
        $rows = WorkflowStateTable::getList([
            'select' => ['ID'],
            'filter' => [
                '=MODULE_ID' => $documentId[0],
                '=ENTITY' => $documentId[1],
                '=DOCUMENT_ID' => $documentId[2]
            ]
        ])->fetchAll();

        return array_column($rows, 'ID');
    }