function MenuTreeStorage::rebuild
Same name in other branches
- 9 core/lib/Drupal/Core/Menu/MenuTreeStorage.php \Drupal\Core\Menu\MenuTreeStorage::rebuild()
- 10 core/lib/Drupal/Core/Menu/MenuTreeStorage.php \Drupal\Core\Menu\MenuTreeStorage::rebuild()
- 11.x core/lib/Drupal/Core/Menu/MenuTreeStorage.php \Drupal\Core\Menu\MenuTreeStorage::rebuild()
Overrides MenuTreeStorageInterface::rebuild
File
-
core/
lib/ Drupal/ Core/ Menu/ MenuTreeStorage.php, line 144
Class
- MenuTreeStorage
- Provides a menu tree storage using the database.
Namespace
Drupal\Core\MenuCode
public function rebuild(array $definitions) {
$links = [];
$children = [];
$top_links = [];
// Fetch the list of existing menus, in case some are not longer populated
// after the rebuild.
$before_menus = $this->getMenuNames();
if ($definitions) {
foreach ($definitions as $id => $link) {
// Flag this link as discovered, i.e. saved via rebuild().
$link['discovered'] = 1;
// Note: The parent we set here might be just stored in the {menu_tree}
// table, so it will not end up in $top_links. Therefore the later loop
// on the orphan links, will handle those cases.
if (!empty($link['parent'])) {
$children[$link['parent']][$id] = $id;
}
else {
// A top level link - we need them to root our tree.
$top_links[$id] = $id;
$link['parent'] = '';
}
$links[$id] = $link;
}
}
foreach ($top_links as $id) {
$this->saveRecursive($id, $children, $links);
}
// Handle any children we didn't find starting from top-level links.
foreach ($children as $orphan_links) {
foreach ($orphan_links as $id) {
// Check for a parent that is not loaded above since only internal links
// are loaded above.
$parent = $this->loadFull($links[$id]['parent']);
// If there is a parent add it to the links to be used in
// ::saveRecursive().
if ($parent) {
$links[$links[$id]['parent']] = $parent;
}
else {
// Force it to the top level.
$links[$id]['parent'] = '';
}
$this->saveRecursive($id, $children, $links);
}
}
$result = $this->findNoLongerExistingLinks($definitions);
// Remove all such items.
if ($result) {
$this->purgeMultiple($result);
}
$this->resetDefinitions();
$affected_menus = $this->getMenuNames() + $before_menus;
// Invalidate any cache tagged with any menu name.
$cache_tags = Cache::buildTags('config:system.menu', $affected_menus, '.');
$this->cacheTagsInvalidator
->invalidateTags($cache_tags);
$this->resetDefinitions();
// Every item in the cache bin should have one of the menu cache tags but it
// is not guaranteed, so invalidate everything in the bin.
$this->menuCacheBackend
->invalidateAll();
}
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