function BookManager::getActiveTrailIds

Same name in this branch
  1. 11.x core/modules/book/src/ProxyClass/BookManager.php \Drupal\book\ProxyClass\BookManager::getActiveTrailIds()
Same name in other branches
  1. 9 core/modules/book/src/BookManager.php \Drupal\book\BookManager::getActiveTrailIds()
  2. 8.9.x core/modules/book/src/BookManager.php \Drupal\book\BookManager::getActiveTrailIds()
  3. 10 core/modules/book/src/ProxyClass/BookManager.php \Drupal\book\ProxyClass\BookManager::getActiveTrailIds()
  4. 10 core/modules/book/src/BookManager.php \Drupal\book\BookManager::getActiveTrailIds()
1 call to BookManager::getActiveTrailIds()
BookManager::bookTreeAllData in core/modules/book/src/BookManager.php

File

core/modules/book/src/BookManager.php, line 564

Class

BookManager
Defines a book manager.

Namespace

Drupal\book

Code

public function getActiveTrailIds($bid, $link) {
    // The tree is for a single item, so we need to match the values in its
    // p columns and 0 (the top level) with the plid values of other links.
    $active_trail = [
        0,
    ];
    for ($i = 1; $i < static::BOOK_MAX_DEPTH; $i++) {
        if (!empty($link["p{$i}"])) {
            $active_trail[] = $link["p{$i}"];
        }
    }
    return $active_trail;
}

Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.