<?php

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/**

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* Server-side rendering of the `core/pages` block.

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*

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* @package WordPress

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*/

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/**

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* Build an array with CSS classes and inline styles defining the colors

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* which will be applied to the pages markup in the front-end when it is a descendant of navigation.

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*

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* @since 5.8.0

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*

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* @param array $attributes Block attributes.

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* @param array $context Navigation block context.

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* @return array Colors CSS classes and inline styles.

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*/

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function block_core_page_list_build_css_colors( $attributes, $context ) {

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$colors = array(

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'css_classes' => array(),

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'inline_styles' => '',

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'overlay_css_classes' => array(),

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'overlay_inline_styles' => '',

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);

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// Text color.

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$has_named_text_color = array_key_exists( 'textColor', $context );

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$has_picked_text_color = array_key_exists( 'customTextColor', $context );

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$has_custom_text_color = isset( $context['style']['color']['text'] );

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// If has text color.

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if ( $has_custom_text_color || $has_picked_text_color || $has_named_text_color ) {

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// Add has-text-color class.

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$colors['css_classes'][] = 'has-text-color';

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}

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if ( $has_named_text_color ) {

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// Add the color class.

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$colors['css_classes'][] = sprintf( 'has-%s-color', _wp_to_kebab_case( $context['textColor'] ) );

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} elseif ( $has_picked_text_color ) {

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$colors['inline_styles'] .= sprintf( 'color: %s;', $context['customTextColor'] );

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} elseif ( $has_custom_text_color ) {

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// Add the custom color inline style.

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$colors['inline_styles'] .= sprintf( 'color: %s;', $context['style']['color']['text'] );

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}

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// Background color.

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$has_named_background_color = array_key_exists( 'backgroundColor', $context );

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$has_picked_background_color = array_key_exists( 'customBackgroundColor', $context );

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$has_custom_background_color = isset( $context['style']['color']['background'] );

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// If has background color.

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if ( $has_custom_background_color || $has_picked_background_color || $has_named_background_color ) {

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// Add has-background class.

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$colors['css_classes'][] = 'has-background';

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}

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if ( $has_named_background_color ) {

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// Add the background-color class.

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$colors['css_classes'][] = sprintf( 'has-%s-background-color', _wp_to_kebab_case( $context['backgroundColor'] ) );

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} elseif ( $has_picked_background_color ) {

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$colors['inline_styles'] .= sprintf( 'background-color: %s;', $context['customBackgroundColor'] );

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} elseif ( $has_custom_background_color ) {

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// Add the custom background-color inline style.

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$colors['inline_styles'] .= sprintf( 'background-color: %s;', $context['style']['color']['background'] );

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}

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// Overlay text color.

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$has_named_overlay_text_color = array_key_exists( 'overlayTextColor', $context );

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$has_picked_overlay_text_color = array_key_exists( 'customOverlayTextColor', $context );

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// If it has a text color.

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if ( $has_named_overlay_text_color || $has_picked_overlay_text_color ) {

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$colors['overlay_css_classes'][] = 'has-text-color';

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}

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// Give overlay colors priority, fall back to Navigation block colors, then global styles.

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if ( $has_named_overlay_text_color ) {

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$colors['overlay_css_classes'][] = sprintf( 'has-%s-color', _wp_to_kebab_case( $context['overlayTextColor'] ) );

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} elseif ( $has_picked_overlay_text_color ) {

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$colors['overlay_inline_styles'] .= sprintf( 'color: %s;', $context['customOverlayTextColor'] );

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}

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// Overlay background colors.

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$has_named_overlay_background_color = array_key_exists( 'overlayBackgroundColor', $context );

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$has_picked_overlay_background_color = array_key_exists( 'customOverlayBackgroundColor', $context );

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// If has background color.

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if ( $has_named_overlay_background_color || $has_picked_overlay_background_color ) {

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$colors['overlay_css_classes'][] = 'has-background';

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}

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if ( $has_named_overlay_background_color ) {

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$colors['overlay_css_classes'][] = sprintf( 'has-%s-background-color', _wp_to_kebab_case( $context['overlayBackgroundColor'] ) );

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} elseif ( $has_picked_overlay_background_color ) {

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$colors['overlay_inline_styles'] .= sprintf( 'background-color: %s;', $context['customOverlayBackgroundColor'] );

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}

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return $colors;

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}

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/**

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* Build an array with CSS classes and inline styles defining the font sizes

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* which will be applied to the pages markup in the front-end when it is a descendant of navigation.

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*

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* @since 5.8.0

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*

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* @param array $context Navigation block context.

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* @return array Font size CSS classes and inline styles.

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*/

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function block_core_page_list_build_css_font_sizes( $context ) {

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// CSS classes.

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$font_sizes = array(

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'css_classes' => array(),

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'inline_styles' => '',

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);

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$has_named_font_size = array_key_exists( 'fontSize', $context );

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$has_custom_font_size = isset( $context['style']['typography']['fontSize'] );

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if ( $has_named_font_size ) {

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// Add the font size class.

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$font_sizes['css_classes'][] = sprintf( 'has-%s-font-size', $context['fontSize'] );

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} elseif ( $has_custom_font_size ) {

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// Add the custom font size inline style.

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$font_sizes['inline_styles'] = sprintf(

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'font-size: %s;',

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wp_get_typography_font_size_value(

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array(

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'size' => $context['style']['typography']['fontSize'],

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)

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)

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);

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}

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return $font_sizes;

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}

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/**

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* Outputs Page list markup from an array of pages with nested children.

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*

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* @since 5.8.0

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*

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* @param boolean $open_submenus_on_click Whether to open submenus on click instead of hover.

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* @param boolean $show_submenu_icons Whether to show submenu indicator icons.

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* @param boolean $is_navigation_child If block is a child of Navigation block.

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* @param array $nested_pages The array of nested pages.

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* @param boolean $is_nested Whether the submenu is nested or not.

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* @param array $active_page_ancestor_ids An array of ancestor ids for active page.

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* @param array $colors Color information for overlay styles.

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* @param integer $depth The nesting depth.

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*

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* @return string List markup.

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*/

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function block_core_page_list_render_nested_page_list( $open_submenus_on_click, $show_submenu_icons, $is_navigation_child, $nested_pages, $is_nested, $active_page_ancestor_ids = array(), $colors = array(), $depth = 0 ) {

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if ( empty( $nested_pages ) ) {

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return;

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}

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$front_page_id = (int) get_option( 'page_on_front' );

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$markup = '';

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foreach ( (array) $nested_pages as $page ) {

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$css_class = $page['is_active'] ? ' current-menu-item' : '';

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$aria_current = $page['is_active'] ? ' aria-current="page"' : '';

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$style_attribute = '';

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$css_class .= in_array( $page['page_id'], $active_page_ancestor_ids, true ) ? ' current-menu-ancestor' : '';

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if ( isset( $page['children'] ) ) {

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$css_class .= ' has-child';

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}

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if ( $is_navigation_child ) {

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$css_class .= ' wp-block-navigation-item';

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if ( $open_submenus_on_click ) {

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$css_class .= ' open-on-click';

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} elseif ( $show_submenu_icons ) {

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$css_class .= ' open-on-hover-click';

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}

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}

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$navigation_child_content_class = $is_navigation_child ? ' wp-block-navigation-item__content' : '';

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// If this is the first level of submenus, include the overlay colors.

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if ( ( ( 0 < $depth && ! $is_nested ) || $is_nested ) && isset( $colors['overlay_css_classes'], $colors['overlay_inline_styles'] ) ) {

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$css_class .= ' ' . trim( implode( ' ', $colors['overlay_css_classes'] ) );

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if ( '' !== $colors['overlay_inline_styles'] ) {

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$style_attribute = sprintf( ' style="%s"', esc_attr( $colors['overlay_inline_styles'] ) );

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}

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}

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if ( (int) $page['page_id'] === $front_page_id ) {

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$css_class .= ' menu-item-home';

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}

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$title = wp_kses_post( $page['title'] );

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$aria_label = sprintf(

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/* translators: Accessibility text. %s: Parent page title. */

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__( '%s submenu' ),

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wp_strip_all_tags( $title )

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);

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$markup .= '<li class="wp-block-pages-list__item' . esc_attr( $css_class ) . '"' . $style_attribute . '>';

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if ( isset( $page['children'] ) && $is_navigation_child && $open_submenus_on_click ) {

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$markup .= '<button aria-label="' . esc_attr( $aria_label ) . '" class="' . esc_attr( $navigation_child_content_class ) . ' wp-block-navigation-submenu__toggle" aria-expanded="false">' . esc_html( $title ) .

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'</button><span class="wp-block-page-list__submenu-icon wp-block-navigation__submenu-icon"><svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12" fill="none" aria-hidden="true" focusable="false"><path d="M1.50002 4L6.00002 8L10.5 4" stroke-width="1.5"></path></svg></span>';

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} else {

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$markup .= '<a class="wp-block-pages-list__item__link' . esc_attr( $navigation_child_content_class ) . '" href="' . esc_url( $page['link'] ) . '"' . $aria_current . '>' . $title . '</a>';

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}

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if ( isset( $page['children'] ) ) {

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if ( $is_navigation_child && $show_submenu_icons && ! $open_submenus_on_click ) {

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$markup .= '<button aria-label="' . esc_attr( $aria_label ) . '" class="wp-block-navigation__submenu-icon wp-block-navigation-submenu__toggle" aria-expanded="false">';

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$markup .= '<svg xmlns="http://www.w3.org/2000/svg" width="12" height="12" viewBox="0 0 12 12" fill="none" aria-hidden="true" focusable="false"><path d="M1.50002 4L6.00002 8L10.5 4" stroke-width="1.5"></path></svg>';

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$markup .= '</button>';

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}

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$markup .= '<ul class="wp-block-navigation__submenu-container">';

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$markup .= block_core_page_list_render_nested_page_list( $open_submenus_on_click, $show_submenu_icons, $is_navigation_child, $page['children'], $is_nested, $active_page_ancestor_ids, $colors, $depth + 1 );

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$markup .= '</ul>';

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}

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$markup .= '</li>';

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}

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return $markup;

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}

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/**

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* Outputs nested array of pages

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*

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* @since 5.8.0

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*

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* @param array $current_level The level being iterated through.

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* @param array $children The children grouped by parent post ID.

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*

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* @return array The nested array of pages.

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*/

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function block_core_page_list_nest_pages( $current_level, $children ) {

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if ( empty( $current_level ) ) {

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return;

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}

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foreach ( (array) $current_level as $key => $current ) {

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if ( isset( $children[ $key ] ) ) {

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$current_level[ $key ]['children'] = block_core_page_list_nest_pages( $children[ $key ], $children );

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}

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}

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return $current_level;

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}

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/**

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* Renders the `core/page-list` block on server.

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*

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* @since 5.8.0

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*

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* @param array $attributes The block attributes.

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* @param string $content The saved content.

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* @param WP_Block $block The parsed block.

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*

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* @return string Returns the page list markup.

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*/

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function render_block_core_page_list( $attributes, $content, $block ) {

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static $block_id = 0;

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++$block_id;

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$parent_page_id = $attributes['parentPageID'];

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$is_nested = $attributes['isNested'];

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$all_pages = get_pages(

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array(

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'sort_column' => 'menu_order,post_title',

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'order' => 'asc',

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)

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);

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// If there are no pages, there is nothing to show.

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if ( empty( $all_pages ) ) {

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return;

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}

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$top_level_pages = array();

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$pages_with_children = array();

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$active_page_ancestor_ids = array();

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foreach ( (array) $all_pages as $page ) {

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$is_active = ! empty( $page->ID ) && ( get_queried_object_id() === $page->ID );

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if ( $is_active ) {

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$active_page_ancestor_ids = get_post_ancestors( $page->ID );

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}

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if ( $page->post_parent ) {

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$pages_with_children[ $page->post_parent ][ $page->ID ] = array(

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'page_id' => $page->ID,

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'title' => $page->post_title,

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'link' => get_permalink( $page ),

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'is_active' => $is_active,

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);

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} else {

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$top_level_pages[ $page->ID ] = array(

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'page_id' => $page->ID,

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'title' => $page->post_title,

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'link' => get_permalink( $page ),

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'is_active' => $is_active,

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);

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}

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}

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$colors = block_core_page_list_build_css_colors( $attributes, $block->context );

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$font_sizes = block_core_page_list_build_css_font_sizes( $block->context );

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$classes = array_merge(

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$colors['css_classes'],

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$font_sizes['css_classes']

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);

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$style_attribute = ( $colors['inline_styles'] . $font_sizes['inline_styles'] );

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$css_classes = trim( implode( ' ', $classes ) );

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$nested_pages = block_core_page_list_nest_pages( $top_level_pages, $pages_with_children );

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if ( 0 !== $parent_page_id ) {

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// If the parent page has no child pages, there is nothing to show.

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if ( ! array_key_exists( $parent_page_id, $pages_with_children ) ) {

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return;

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}

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$nested_pages = block_core_page_list_nest_pages(

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$pages_with_children[ $parent_page_id ],

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$pages_with_children

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);

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}

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$is_navigation_child = array_key_exists( 'showSubmenuIcon', $block->context );

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$open_submenus_on_click = array_key_exists( 'openSubmenusOnClick', $block->context ) ? $block->context['openSubmenusOnClick'] : false;

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$show_submenu_icons = array_key_exists( 'showSubmenuIcon', $block->context ) ? $block->context['showSubmenuIcon'] : false;

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$wrapper_markup = $is_nested ? '%2$s' : '<ul %1$s>%2$s</ul>';

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$items_markup = block_core_page_list_render_nested_page_list( $open_submenus_on_click, $show_submenu_icons, $is_navigation_child, $nested_pages, $is_nested, $active_page_ancestor_ids, $colors );

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$wrapper_attributes = get_block_wrapper_attributes(

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array(

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'class' => $css_classes,

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'style' => $style_attribute,

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)

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);

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return sprintf(

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$wrapper_markup,

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$wrapper_attributes,

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$items_markup

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);

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}

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[354] Fix | Delete

/**

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* Registers the `core/pages` block on server.

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*

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* @since 5.8.0

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*/

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function register_block_core_page_list() {

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register_block_type_from_metadata(

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__DIR__ . '/page-list',

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array(

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'render_callback' => 'render_block_core_page_list',

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)

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);

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}

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add_action( 'init', 'register_block_core_page_list' );

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