function wpbc_boo_listing__init_hook__sort_by() { ... } . /** * Class WPBC_Listing_Actions__Bulk_Actions * * INFO: Get request parameter in template: var p_value = wpbc_ajx_booking_listing.search_get_param( 'bulk_actions' ); */ class WPBC_Listing_Actions__Bulk_Actions { const ID = 'bulk_actions'; /** * Get Action Button * * @return false|string */ public static function get_button() { $el_arr = array( 'font_icon' => 'wpbc_icn_adjust', 'title' => '' . __( 'Bulk Actions', 'booking' ) . ' ', 'hint' => array( 'title' => __( 'Select sorting order', 'booking' ), 'position' => 'top', ), 'position' => 'left', 'has_down_arrow' => true, 'has_border' => true, 'container_class' => 'ul_dropdown_menu__' . self::ID, 'items' => array( array( 'type' => 'header', 'title' => __( 'Action on selected bookings', 'booking' ), 'class' => 'hide_button_if_no_selection' ), array( 'html' => WPBC_Listing_Actions__Set_Approve::get_option() ), array( 'html' => WPBC_Listing_Actions__Set_Pending::get_option() ), array( 'type' => 'divider', 'class' => 'hide_button_if_no_selection' ), array( 'html' => WPBC_Listing_Actions__Set_As_Unread::get_option() ), array( 'html' => WPBC_Listing_Actions__Set_As_Read::get_option() ), array( 'html' => WPBC_Listing_Actions__Set_Read_All::get_option() ), array( 'type' => 'divider', 'class' => 'hide_button_if_no_selection0' ), array( 'html' => WPBC_Listing_Actions__Bulk_Print::get_option() ), array( 'html' => WPBC_Listing_Actions__Export_CSV::get_option() ), array( 'html' => WPBC_Listing_Actions__Import_Google_Calendar::get_option() ), array( 'type' => 'divider', 'class' => 'hide_button_if_no_selection' ), array( 'html' => WPBC_Listing_Actions__To_Trash::get_option() ), array( 'html' => WPBC_Listing_Actions__Restore_From_Trash::get_option() ), array( 'html' => WPBC_Listing_Actions__Completely_Delete::get_option() ), array( 'type' => 'divider' ), array( 'html' => WPBC_Listing_Actions__Empty_Trash::get_option() ), ), ); wpbc_ui_el__dropdown_menu( $el_arr ); } }