function crumbs_theme_registry_alter in Crumbs, the Breadcrumbs suite 7.2

Implements hook_theme_registry_alter()

Parameters

array $registry:

File

./crumbs.info.inc, line 147

Code

function crumbs_theme_registry_alter(array &$registry) {
  if (!isset($registry['breadcrumb']['function'])) {
    return;
  }

  // Figure out which theme this applies to.
  if (version_compare(PHP_VERSION, '5.4.0', '>=')) {
    $trace = debug_backtrace(0, 3);
  }
  else {

    // Second parameter not supported in PHP < 5.4.0. It would cause a
    // "Warning: debug_backtrace() expects at most 1 parameter, 2 given".
    $trace = debug_backtrace(0);
  }
  if (1 && isset($trace[2]['function']) && '_theme_build_registry' === $trace[2]['function'] && isset($trace[2]['args'][0])) {

    // Get the first argument of _theme_build_registry().
    $theme = $trace[2]['args'][0];
  }
  else {

    // The hook is called from a weird place.
    return;
  }

  // Remember the original theme function for the settings page.
  $f = $registry['breadcrumb']['function'];
  $originals = variable_get('crumbs_original_theme_breadcrumb', array());
  $originals[$theme->name] = $f;
  variable_set('crumbs_original_theme_breadcrumb', $originals);
  $settings = variable_get('crumbs_override_theme_breadcrumb', array(
    'theme_breadcrumb',
  ));
  if (in_array($f, $settings, TRUE)) {
    $registry['breadcrumb']['includes'][] = drupal_get_path('module', 'crumbs') . '/crumbs.theme.inc';
    $registry['breadcrumb']['function'] = 'crumbs_theme_breadcrumb';
  }
}