linked_notebooks.php

<?php

$token = 'YOUR TOKEN HERE';

$client = new \Evernote\Client($token, false);
$advancedClient = $client->getAdvancedClient();

$notebookGuid = 'YOUR SHARED NOTEBOOK GUID';

$noteStore = $advancedClient->getNoteStore();
$linkedNotebooks = $noteStore->listLinkedNotebooks($token);

foreach ($linkedNotebooks as $linkedNotebook) {
  if ($linkedNotebook->guid == $notebookGuid) {
    $parts = parse_url($linkedNotebook->noteStoreUrl);
    if (!isset($parts['port'])) {
      if ($parts['scheme'] === 'https') {
        $parts['port'] = 443;
      } else {
        $parts['port'] = 80;
      }
    }
    $sharedNoteStoreHttpClient = 
      new \Thrift\Transport\THttpClient($parts['host'], $parts['port'], $parts['path'], $parts['scheme']);
    $sharedNoteStoreProtocol = new \Thrift\Protocol\TBinaryProtocol($sharedNoteStoreHttpClient);
    $sharedNoteStore = new \EDAM\NoteStore\NoteStoreClient($sharedNoteStoreProtocol, $sharedNoteStoreProtocol);
    $sharedAuthResult = 
      $sharedNoteStore->authenticateToSharedNotebook($linkedNotebook->shareKey, $token);
    $sharedAuthToken = $sharedAuthResult->authenticationToken;
    $sharedNotebook = $sharedNoteStore->getSharedNotebookByAuth($sharedAuthToken);
    
    $filter = new \EDAM\NoteStore\NoteFilter();
    $filter->notebookGuid = $sharedNotebook->notebookGuid; // only from the shared notebook
    $filter->order = 2; // order by recently created first
    
    $noteList = $sharedNoteStore->findNotes($sharedAuthToken, $filter, 0, 10); // only return the last 10 notes

    // create note
    $note         = new \EDAM\Types\Note();
    $note->title  = 'YOUR TITLE';
    $note->notebookGuid = $sharedNotebook->notebookGuid;

    $enmlContent = <<<ENML
<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE en-note SYSTEM "http://xml.evernote.com/pub/enml2.dtd">
<en-note>YOUR CONTENT</en-note>
ENML
;
    $note->content = $enmlContent;
    $uploadedNote = $sharedNoteStore->createNote($sharedAuthToken,$note);
  }        
}