public function listen()
    {
        $revisionsCollection = $this->getRevisionsCollection();
        $document = $this->document;

        $createRevisionCallback = function () use ($revisionsCollection, $document) {
            // create new revision
            $revisionsCollection
                ->createDocument()
                ->setDocumentData($document->getOriginalData())
                ->save();
        };

        $this->document->onBeforeUpdate($createRevisionCallback, PHP_INT_MAX);
        $this->document->onBeforeDelete($createRevisionCallback, PHP_INT_MAX);
    }
public function listen()
    {
        $revisionsCollection = $this->getRevisionsCollection();
        $document = $this->document;

        $createRevisionCallback = function () use ($revisionsCollection, $document) {
            // create new revision
            $revisionsCollection
                ->createDocument()
                ->setDocumentData($document->getOriginalData())
                ->save();
        };

        $this->document->onBeforeUpdate($createRevisionCallback, PHP_INT_MAX);
        $this->document->onBeforeDelete($createRevisionCallback, PHP_INT_MAX);
    }
public function listen ( ) { $ revisionsCollection = $ this -> getRevisionsCollection ( ) ; $ document = $ this -> document ; $ createRevisionCallback = function ( ) use ( $ revisionsCollection , $ document ) { // create new revision $ revisionsCollection -> createDocument ( ) -> setDocumentData ( $ document -> getOriginalData ( ) ) -> save ( ) ; } ; $ this -> document -> onBeforeUpdate ( $ createRevisionCallback , PHP_INT_MAX ) ; $ this -> document -> onBeforeDelete ( $ createRevisionCallback , PHP_INT_MAX ) ; }
Start listening for changes in document
Start listening for changes in document