_menu_find_router_path

• Drupal 6
• Drupal 7

Versions

6 – 7

_menu_find_router_path($link_path)

Find the router path which will serve this path.

Parameters

$link_path The path for we are looking up its router path.

Return value

A path from $menu keys or empty if $link_path points to a nonexisting place.

Related topics

Menu system

Define the navigation menus, and route page requests to code based on URLs.

Code

includes/menu.inc, line 2074

<?php
function _menu_find_router_path($link_path) {
  // $menu will only have data during a menu rebuild.
  $menu = _menu_router_cache();

  $router_path = $link_path;
  $parts = explode('/', $link_path, MENU_MAX_PARTS);
  list($ancestors, $placeholders) = menu_get_ancestors($parts);

  if (empty($menu)) {
    // Not during a menu rebuild, so look up in the database.
    $router_path = (string)db_result(db_query_range('SELECT path FROM {menu_router} WHERE path IN ('. implode (',', $placeholders) .') ORDER BY fit DESC', $ancestors, 0, 1));
  }
  elseif (!isset($menu[$router_path])) {
    // Add an empty path as a fallback.
    $ancestors[] = '';
    foreach ($ancestors as $key => $router_path) {
      if (isset($menu[$router_path])) {
        // Exit the loop leaving $router_path as the first match.
        break;
      }
    }
    // If we did not find the path, $router_path will be the empty string
    // at the end of $ancestors.
  }
  return $router_path;
}
?>

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