function vars_modules_uninstalled in Variable API 7

Same name and namespace in other branches

1. 7.2 vars.module \vars_modules_uninstalled()

Implements hook_modules_uninstalled().

File

./vars.module, line 391

Implement an API to handle persistent variables.

Code

function vars_modules_uninstalled($modules) {
  global $conf;
  $defaults = db_select('variable_default', 'vd')
    ->condition('vd.module', $modules, 'IN')
    ->fields('vd', array(
    'name',
    'value',
    'flags',
  ))
    ->execute();
  $variables = array();
  foreach ($defaults as $default) {
    $name = $default->name;
    if ($default->flags & self::VARS_DYNAMIC) {
      $name_like = db_like($name . '_') . '%';
      $vars = db_select('variable', 'v')
        ->condition(db_or()
        ->condition('v.name', $name_like, 'LIKE')
        ->condition('v.name', $name))
        ->fields('v', array(
        'name',
      ))
        ->execute();
      foreach ($vars as $var) {
        unset($conf[$var->name]);
        $variables[] = $var->name;
      }
    }
    else {
      $variables[] = $name;
      unset($conf[$name]);
    }
  }
  if (!empty($variables)) {
    db_delete('variable')
      ->condition('name', $variables, 'IN')
      ->execute();
    db_delete('variable_default')
      ->condition('module', $modules, 'IN')
      ->execute();
    foreach ($modules as $module) {
      cache_clear_all('module:' . $module, 'cache_vars');
    }
    cache_clear_all('variables', 'cache_bootstrap');
    Vars::staticReset('vars_default_values');
  }
}