Evernote\Client::listNotebooks PHP Method

    public function listNotebooks()
    {
        /**
         * 1. Get all of the user's personal notebooks.
         */
        try {
            $personalNotebooks = $this->listPersonalNotebooks();
        } catch (EDAMUserException $e) {
            $personalNotebooks = array();
        } catch (EDAMSystemException $e) {
            $personalNotebooks = array();
        }
        $resultNotebooks = array();
        $guidsToNotebooks = array();
        foreach ($personalNotebooks as $personalNotebook) {
            $resultNotebook = new Notebook($personalNotebook);
            $resultNotebooks[] = $resultNotebook;
            $guidsToNotebooks[$personalNotebook->guid] = $resultNotebook;
        }
        /**
         * Get shared notebooks and flag the matching notebook as shared
         */
        try {
            $sharedNotebooks = $this->listSharedNotebooks();
        } catch (EDAMUserException $e) {
            $sharedNotebooks = array();
        } catch (EDAMSystemException $e) {
            $sharedNotebooks = array();
        }
        foreach ($sharedNotebooks as $sharedNotebook) {
            $guidsToNotebooks[$sharedNotebook->notebookGuid]->isShared = true;
        }
        /**
         * 2. Get all of the user's linked notebooks. These will include business and/or shared notebooks.
         */
        try {
            $linkedNotebooks = $this->listLinkedNotebooks();
        } catch (EDAMUserException $e) {
            $linkedNotebooks = array();
        } catch (EDAMSystemException $e) {
            $linkedNotebooks = array();
        }
        if (count($linkedNotebooks) > 0) {
            /**
             * 3. Business user
             */
            if (null !== $this->getBusinessNoteStore()) {
                /**
                 * a. Get the business's shared notebooks. Some of these may match to personal linked notebooks.
                 *
                 */
                $businessSharedNotebooks = $this->getBusinessSharedNotebooks();
                $sharedBusinessNotebookGuids = array();
                $sharedBusinessNotebooks = array();
                foreach ($businessSharedNotebooks as $businessSharedNotebook) {
                    $sharedBusinessNotebooks[$businessSharedNotebook->shareKey] = $businessSharedNotebook;
                    $sharedBusinessNotebookGuids[] = $businessSharedNotebook->notebookGuid;
                }
                $guidsCount = array_count_values($sharedBusinessNotebookGuids);
                $businessNotebooksGuids = array();
                /**
                 * b. Get the business's linked notebooks. Some of these will match to shared notebooks in (a), providing a
                 *    complete authorization story for the notebook.
                 */
                $businessNotebooks = $this->getBusinessLinkedNotebooks();
                foreach ($businessNotebooks as $businessNotebook) {
                    $businessNotebooksGuids[$businessNotebook->guid] = $businessNotebook;
                }
                foreach ($linkedNotebooks as $linkedNotebook) {
                    if (array_key_exists($linkedNotebook->shareKey, $sharedBusinessNotebooks)) {
                        $sharedNotebook = $sharedBusinessNotebooks[$linkedNotebook->shareKey];
                        $businessNotebook = $businessNotebooksGuids[$sharedNotebook->notebookGuid];
                        $result = new Notebook($businessNotebook, $linkedNotebook, $sharedNotebook, $businessNotebook);
                        if (array_key_exists($sharedNotebook->notebookGuid, $guidsCount) && $guidsCount[$sharedNotebook->notebookGuid] > 1 || $businessNotebook->businessNotebook !== null) {
                            $result->isShared = true;
                        }
                        $resultNotebooks[] = $result;
                    } else {
                        if (null === $linkedNotebook->shareKey) {
                            continue;
                        }
                        $resultNotebooks[] = $this->getNoteBookByLinkedNotebook($linkedNotebook);
                    }
                }
            } else {
                foreach ($linkedNotebooks as $linkedNotebook) {
                    try {
                        $resultNotebooks[] = $this->getNoteBookByLinkedNotebook($linkedNotebook);
                    } catch (\Exception $e) {
                        $e = ExceptionFactory::create($e);
                        $this->logger->error('An error occured while fetching a linked notebook as a business user', array('exception' => $e, 'token' => $this->getToken()));
                    }
                }
            }
        }
        return $resultNotebooks;
    }