public BookManager::getActiveTrailIds($bid, $link)
Gets the active trail IDs for the specified book at the provided path.
Parameters
string $bid: The Book ID to find links for.
array $link: A fully loaded menu link.
Return value
array An array containing the active trail: a list of mlids.
Overrides BookManagerInterface::getActiveTrailIds
File
- core/modules/book/src/BookManager.php, line 486
Class
- BookManager
- Defines a book manager.
Namespace
Drupal\book
Code
public function getActiveTrailIds($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.
$active_trail = array(0);
for ($i = 1; $i < static::BOOK_MAX_DEPTH; $i++) {
if (!empty($link["p$i"])) {
$active_trail[] = $link["p$i"];
}
}
return $active_trail;
}
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