'; $replace[] = '
'; } } return str_replace( $search, $replace, $block_content ); } } add_filter( 'render_block_core/search', 'understrap_add_block_widget_search_classes', 10, 2 ); /** * Add active class to first item of carousel hero widget area. * * @since 1.2.0 * * @param array $params { * Parameters passed to a widget’s display callback. * * @type array $args { * An array of widget display arguments. * * @type string $name Name of the sidebar the widget is assigned to. * @type string $id ID of the sidebar the widget is assigned to. * @type string $description The sidebar description. * @type string $class CSS class applied to the sidebar container. * @type string $before_widget HTML markup to prepend to each widget in the sidebar. * @type string $after_widget HTML markup to append to each widget in the sidebar. * @type string $before_title HTML markup to prepend to the widget title when displayed. * @type string $after_title HTML markup to append to the widget title when displayed. * @type string $widget_id ID of the widget. * @type string $widget_name Name of the widget. * } * @type array $widget_args { * An array of multi-widget arguments. * * @type int $number Number increment used for multiples of the same widget. * } * } * @return array Maybe filtered parameters. */ function understrap_hero_active_carousel_item( $params ) { if ( ! isset( $params[0] ) || ! isset( $params[0]['id'] ) || 'hero' !== $params[0]['id'] ) { return $params; } static $item_number = 1; if ( 1 === $item_number && isset( $params[0]['before_widget'] ) && is_string( $params[0]['before_widget'] ) ) { $params[0]['before_widget'] = str_replace( 'carousel-item', 'carousel-item active', $params[0]['before_widget'] ); } $item_number++; return $params; } add_filter( 'dynamic_sidebar_params', 'understrap_hero_active_carousel_item' ); /** * Add filter to the parameters passed to a widget's display callback. * The filter is evaluated on both the front and the back end! * * @link https://developer.wordpress.org/reference/hooks/dynamic_sidebar_params/ */ add_filter( 'dynamic_sidebar_params', 'understrap_widget_classes' ); if ( ! function_exists( 'understrap_widget_classes' ) ) { /** * Count number of visible widgets in a sidebar and add classes to widgets accordingly, * so widgets can be displayed one, two, three or four per row. * * @global array $sidebars_widgets * * @param array $params { * Parameters passed to a widget’s display callback. * * @type array $args { * An array of widget display arguments. * * @type string $name Name of the sidebar the widget is assigned to. * @type string $id ID of the sidebar the widget is assigned to. * @type string $description The sidebar description. * @type string $class CSS class applied to the sidebar container. * @type string $before_widget HTML markup to prepend to each widget in the sidebar. * @type string $after_widget HTML markup to append to each widget in the sidebar. * @type string $before_title HTML markup to prepend to the widget title when displayed. * @type string $after_title HTML markup to append to the widget title when displayed. * @type string $widget_id ID of the widget. * @type string $widget_name Name of the widget. * } * @type array $widget_args { * An array of multi-widget arguments. * * @type int $number Number increment used for multiples of the same widget. * } * } * @return array Maybe filtered parameters. */ function understrap_widget_classes( $params ) { global $sidebars_widgets; /* * When the corresponding filter is evaluated on the front end * this takes into account that there might have been made other changes. */ $sidebars_widgets_count = apply_filters( 'sidebars_widgets', $sidebars_widgets ); // Only apply changes if sidebar ID is set and the widget's classes depend on the number of widgets in the sidebar. if ( isset( $params[0]['id'] ) && strpos( $params[0]['before_widget'], 'dynamic-classes' ) ) { $sidebar_id = $params[0]['id']; $widget_count = count( $sidebars_widgets_count[ $sidebar_id ] ); $widget_classes = 'widget-count-' . $widget_count; if ( 0 === $widget_count % 4 || $widget_count > 6 ) { // Four widgets per row if there are exactly four or more than six widgets. $widget_classes .= ' col-md-3'; } elseif ( 6 === $widget_count ) { // If exactly six widgets are published. $widget_classes .= ' col-md-2'; } elseif ( $widget_count >= 3 ) { // Three widgets per row if there's three or more widgets. $widget_classes .= ' col-md-4'; } elseif ( 2 === $widget_count ) { // If two widgets are published. $widget_classes .= ' col-md-6'; } elseif ( 1 === $widget_count ) { // If just on widget is active. $widget_classes .= ' col-md-12'; } // Replace the placeholder class 'dynamic-classes' with the classes stored in $widget_classes. $params[0]['before_widget'] = str_replace( 'dynamic-classes', $widget_classes, $params[0]['before_widget'] ); } return $params; } } // End of if function_exists( 'understrap_widget_classes' ). add_action( 'widgets_init', 'understrap_widgets_init' ); if ( ! function_exists( 'understrap_widgets_init' ) ) { /** * Initializes themes widgets. */ function understrap_widgets_init() { register_sidebar( array( /* translators: Widget area title */ 'name' => __( 'Right Sidebar', 'understrap' ), 'id' => 'right-sidebar', 'description' => __( 'Right sidebar widget area', 'understrap' ), 'before_widget' => '', 'before_title' => '