/**
* Main aasf Instance
*
* Ensures only one instance of America_Ajax_Search_Filter is loaded or can be loaded
*
* @since 1.0.0
* @static
* @param string $file plugin path
* @param number $version version number
*
* @return Main America_Ajax_Search_Filter instance
*/
public static function instance($file = '', $version = '1.0.0')
{
if (is_null(self::$_instance)) {
self::$_instance = new self($file, $version);
}
return self::$_instance;
}
/**
* Returns the main instance of aasf to prevent the need to use globals.
*
* @since 1.0.0
* @return object America_Ajax_Search_Filter
*/
function america_ajax_search_filter()
{
$instance = America_Ajax_Search_Filter::instance(__FILE__, '1.0');
if (is_null($instance->settings)) {
// TODO: create plugin settings screens
$instance->settings = America_Ajax_Search_Filter_Settings::instance($instance);
}
return $instance;
}
