hidden = array(); add_filter( 'widget_update_callback', array( $this, 'widget_update' ), 10, 4 ); add_filter( 'widget_display_callback', array( $this, 'widget_display' ), 10, 3 ); add_action( 'in_widget_form', array( $this, 'widget_conditions_admin' ), 10, 3 ); add_action( 'wp_footer', array( $this, 'wp_footer' ) ); } public function widget_update( $instance, $new_instance, $old_instance, $widget ) { $instance['vamtam_hide_low_res'] = isset( $new_instance['vamtam_hide_low_res'] ); return $instance; } public function widget_display( $instance, $widget, $args ) { if ( isset( $instance['vamtam_hide_low_res'] ) && $instance['vamtam_hide_low_res'] ) { $this->hidden[] = $widget->id; } return $instance; } public function widget_conditions_admin( $widget, $return, $instance ) { $value = isset( $instance['vamtam_hide_low_res'] ) ? $instance['vamtam_hide_low_res'] : false; ?>

hidden ) ) { wp_enqueue_script( 'vamtam-hide-widgets' ); wp_localize_script( 'vamtam-hide-widgets', 'VAMTAM_HIDDEN_WIDGETS', $this->hidden ); } } }