if ( !$cache = get_transient( 'wporg_theme_feature_list' ) )
set_transient( 'wporg_theme_feature_list', array(), 3 * HOUR_IN_SECONDS );
if ( !$cache = get_transient( 'wporg_theme_feature_list' ) )
set_transient( 'wporg_theme_feature_list', array(), 3 * HOUR_IN_SECONDS );