public static function FacetapiUrlProcessorSession::clearSession in Facet API Bonus 7

Clear the session.

Parameters

$searcher: The name of the searcher that we want to clear. If NULL we'll clear them all.

$namespace: Leave NULL to get the current namespace, TRUE to clear all or specify a namespace as a string to target a specific one.

File

modules/facetapi_bonus_session/includes/facetapi/url_processor_session.inc, line 128

A facet handler that falls back onto session set variables.

Class

FacetapiUrlProcessorSession

Url processor plugin that retrieves facet data from the query string.

Code

public static function clearSession($searcher = NULL, $namespace = NULL) {
  if ($namespace == NULL) {
    $namespace = self::getNamespace();
  }
  if ($searcher) {
    if ($namespace === TRUE) {

      // Entirely clear this searcher.
      unset($_SESSION['facetapi']['url_processor_session'][$searcher]);
    }
    else {

      // Clear a specific namespace.
      unset($_SESSION['facetapi']['url_processor_session'][$searcher][$namespace]);
    }
  }
  elseif ($namespace === TRUE) {

    // Clear everything.
    unset($_SESSION['facetapi']['url_processor_session']);
  }
  elseif ($namespace) {

    // Clear a specific namespace in all searchers.
    if (isset($_SESSION['facetapi']['url_processor_session'])) {
      foreach ($_SESSION['facetapi']['url_processor_session'] as &$searcher) {
        unset($searcher[$namespace]);
      }
    }
  }
}