?<h3>D¨ızenle: page-list.php</h3>
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/**
 * Server-side rendering of the `core/pages` block.
 *
 * @package WordPress
 */

/**
 * Build an array with CSS classes and inline styles defining the colors
 * which will be applied to the pages markup in the front-end when it is a descendant of navigation.
 *
 * @since 5.8.0
 *
 * @param  array $attributes Block attributes.
 * @param  array $context    Navigation block context.
 * @return array Colors CSS classes and inline styles.
 */
function block_core_page_list_build_css_colors( $attributes, $context ) {
	$colors = array(
		&#039;css_classes&#039;           =&gt; array(),
		&#039;inline_styles&#039;         =&gt; &#039;&#039;,
		&#039;overlay_css_classes&#039;   =&gt; array(),
		&#039;overlay_inline_styles&#039; =&gt; &#039;&#039;,
	);

	// Text color.
	$has_named_text_color  = array_key_exists( &#039;textColor&#039;, $context );
	$has_picked_text_color = array_key_exists( &#039;customTextColor&#039;, $context );
	$has_custom_text_color = isset( $context[&#039;style&#039;][&#039;color&#039;][&#039;text&#039;] );

	// If has text color.
	if ( $has_custom_text_color || $has_picked_text_color || $has_named_text_color ) {
		// Add has-text-color class.
		$colors[&#039;css_classes&#039;][] = &#039;has-text-color&#039;;
	}

	if ( $has_named_text_color ) {
		// Add the color class.
		$colors[&#039;css_classes&#039;][] = sprintf( &#039;has-%s-color&#039;, _wp_to_kebab_case( $context[&#039;textColor&#039;] ) );
	} elseif ( $has_picked_text_color ) {
		$colors[&#039;inline_styles&#039;] .= sprintf( &#039;color: %s;&#039;, $context[&#039;customTextColor&#039;] );
	} elseif ( $has_custom_text_color ) {
		// Add the custom color inline style.
		$colors[&#039;inline_styles&#039;] .= sprintf( &#039;color: %s;&#039;, $context[&#039;style&#039;][&#039;color&#039;][&#039;text&#039;] );
	}

	// Background color.
	$has_named_background_color  = array_key_exists( &#039;backgroundColor&#039;, $context );
	$has_picked_background_color = array_key_exists( &#039;customBackgroundColor&#039;, $context );
	$has_custom_background_color = isset( $context[&#039;style&#039;][&#039;color&#039;][&#039;background&#039;] );

	// If has background color.
	if ( $has_custom_background_color || $has_picked_background_color || $has_named_background_color ) {
		// Add has-background class.
		$colors[&#039;css_classes&#039;][] = &#039;has-background&#039;;
	}

	if ( $has_named_background_color ) {
		// Add the background-color class.
		$colors[&#039;css_classes&#039;][] = sprintf( &#039;has-%s-background-color&#039;, _wp_to_kebab_case( $context[&#039;backgroundColor&#039;] ) );
	} elseif ( $has_picked_background_color ) {
		$colors[&#039;inline_styles&#039;] .= sprintf( &#039;background-color: %s;&#039;, $context[&#039;customBackgroundColor&#039;] );
	} elseif ( $has_custom_background_color ) {
		// Add the custom background-color inline style.
		$colors[&#039;inline_styles&#039;] .= sprintf( &#039;background-color: %s;&#039;, $context[&#039;style&#039;][&#039;color&#039;][&#039;background&#039;] );
	}

	// Overlay text color.
	$has_named_overlay_text_color  = array_key_exists( &#039;overlayTextColor&#039;, $context );
	$has_picked_overlay_text_color = array_key_exists( &#039;customOverlayTextColor&#039;, $context );

	// If it has a text color.
	if ( $has_named_overlay_text_color || $has_picked_overlay_text_color ) {
		$colors[&#039;overlay_css_classes&#039;][] = &#039;has-text-color&#039;;
	}

	// Give overlay colors priority, fall back to Navigation block colors, then global styles.
	if ( $has_named_overlay_text_color ) {
		$colors[&#039;overlay_css_classes&#039;][] = sprintf( &#039;has-%s-color&#039;, _wp_to_kebab_case( $context[&#039;overlayTextColor&#039;] ) );
	} elseif ( $has_picked_overlay_text_color ) {
		$colors[&#039;overlay_inline_styles&#039;] .= sprintf( &#039;color: %s;&#039;, $context[&#039;customOverlayTextColor&#039;] );
	}

	// Overlay background colors.
	$has_named_overlay_background_color  = array_key_exists( &#039;overlayBackgroundColor&#039;, $context );
	$has_picked_overlay_background_color = array_key_exists( &#039;customOverlayBackgroundColor&#039;, $context );

	// If has background color.
	if ( $has_named_overlay_background_color || $has_picked_overlay_background_color ) {
		$colors[&#039;overlay_css_classes&#039;][] = &#039;has-background&#039;;
	}

	if ( $has_named_overlay_background_color ) {
		$colors[&#039;overlay_css_classes&#039;][] = sprintf( &#039;has-%s-background-color&#039;, _wp_to_kebab_case( $context[&#039;overlayBackgroundColor&#039;] ) );
	} elseif ( $has_picked_overlay_background_color ) {
		$colors[&#039;overlay_inline_styles&#039;] .= sprintf( &#039;background-color: %s;&#039;, $context[&#039;customOverlayBackgroundColor&#039;] );
	}

	return $colors;
}

/**
 * Build an array with CSS classes and inline styles defining the font sizes
 * which will be applied to the pages markup in the front-end when it is a descendant of navigation.
 *
 * @since 5.8.0
 *
 * @param  array $context Navigation block context.
 * @return array Font size CSS classes and inline styles.
 */
function block_core_page_list_build_css_font_sizes( $context ) {
	// CSS classes.
	$font_sizes = array(
		&#039;css_classes&#039;   =&gt; array(),
		&#039;inline_styles&#039; =&gt; &#039;&#039;,
	);

	$has_named_font_size  = array_key_exists( &#039;fontSize&#039;, $context );
	$has_custom_font_size = isset( $context[&#039;style&#039;][&#039;typography&#039;][&#039;fontSize&#039;] );

	if ( $has_named_font_size ) {
		// Add the font size class.
		$font_sizes[&#039;css_classes&#039;][] = sprintf( &#039;has-%s-font-size&#039;, $context[&#039;fontSize&#039;] );
	} elseif ( $has_custom_font_size ) {
		// Add the custom font size inline style.
		$font_sizes[&#039;inline_styles&#039;] = sprintf(
			&#039;font-size: %s;&#039;,
			wp_get_typography_font_size_value(
				array(
					&#039;size&#039; =&gt; $context[&#039;style&#039;][&#039;typography&#039;][&#039;fontSize&#039;],
				)
			)
		);
	}

	return $font_sizes;
}

/**
 * Outputs Page list markup from an array of pages with nested children.
 *
 * @since 5.8.0
 *
 * @param boolean $open_submenus_on_click Whether to open submenus on click instead of hover.
 * @param boolean $show_submenu_icons Whether to show submenu indicator icons.
 * @param boolean $is_navigation_child If block is a child of Navigation block.
 * @param array   $nested_pages The array of nested pages.
 * @param boolean $is_nested Whether the submenu is nested or not.
 * @param array   $active_page_ancestor_ids An array of ancestor ids for active page.
 * @param array   $colors Color information for overlay styles.
 * @param integer $depth The nesting depth.
 *
 * @return string List markup.
 */
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 ) {
	if ( empty( $nested_pages ) ) {
		return;
	}
	$front_page_id = (int) get_option( &#039;page_on_front&#039; );
	$markup        = &#039;&#039;;
	foreach ( (array) $nested_pages as $page ) {
		$css_class       = $page[&#039;is_active&#039;] ? &#039; current-menu-item&#039; : &#039;&#039;;
		$aria_current    = $page[&#039;is_active&#039;] ? &#039; aria-current=&quot;page&quot;&#039; : &#039;&#039;;
		$style_attribute = &#039;&#039;;

		$css_class .= in_array( $page[&#039;page_id&#039;], $active_page_ancestor_ids, true ) ? &#039; current-menu-ancestor&#039; : &#039;&#039;;
		if ( isset( $page[&#039;children&#039;] ) ) {
			$css_class .= &#039; has-child&#039;;
		}

		if ( $is_navigation_child ) {
			$css_class .= &#039; wp-block-navigation-item&#039;;

			if ( $open_submenus_on_click ) {
				$css_class .= &#039; open-on-click&#039;;
			} elseif ( $show_submenu_icons ) {
				$css_class .= &#039; open-on-hover-click&#039;;
			}
		}

		$navigation_child_content_class = $is_navigation_child ? &#039; wp-block-navigation-item__content&#039; : &#039;&#039;;

		// If this is the first level of submenus, include the overlay colors.
		if ( ( ( 0 &lt; $depth &amp;&amp; ! $is_nested ) || $is_nested ) &amp;&amp; isset( $colors[&#039;overlay_css_classes&#039;], $colors[&#039;overlay_inline_styles&#039;] ) ) {
			$css_class .= &#039; &#039; . trim( implode( &#039; &#039;, $colors[&#039;overlay_css_classes&#039;] ) );
			if ( &#039;&#039; !== $colors[&#039;overlay_inline_styles&#039;] ) {
				$style_attribute = sprintf( &#039; style=&quot;%s&quot;&#039;, esc_attr( $colors[&#039;overlay_inline_styles&#039;] ) );
			}
		}

		if ( (int) $page[&#039;page_id&#039;] === $front_page_id ) {
			$css_class .= &#039; menu-item-home&#039;;
		}

		$title = wp_kses_post( $page[&#039;title&#039;] );
		$title = $title ? $title : __( &#039;(no title)&#039; );

		$aria_label = sprintf(
			/* translators: Accessibility text. %s: Parent page title. */
			__( &#039;%s submenu&#039; ),
			wp_strip_all_tags( $title )
		);

		$markup .= &#039;&lt;li class=&quot;wp-block-pages-list__item&#039; . esc_attr( $css_class ) . &#039;&quot;&#039; . $style_attribute . &#039;&gt;&#039;;

		if ( isset( $page[&#039;children&#039;] ) &amp;&amp; $is_navigation_child &amp;&amp; $open_submenus_on_click ) {
			$markup .= &#039;&lt;button aria-label=&quot;&#039; . esc_attr( $aria_label ) . &#039;&quot; class=&quot;&#039; . esc_attr( $navigation_child_content_class ) . &#039; wp-block-navigation-submenu__toggle&quot; aria-expanded=&quot;false&quot;&gt;&#039; . esc_html( $title ) .
			&#039;&lt;/button&gt;&lt;span class=&quot;wp-block-page-list__submenu-icon wp-block-navigation__submenu-icon&quot;&gt;&lt;svg xmlns=&quot;http://www.w3.org/2000/svg&quot; width=&quot;12&quot; height=&quot;12&quot; viewBox=&quot;0 0 12 12&quot; fill=&quot;none&quot; aria-hidden=&quot;true&quot; focusable=&quot;false&quot;&gt;&lt;path d=&quot;M1.50002 4L6.00002 8L10.5 4&quot; stroke-width=&quot;1.5&quot;&gt;&lt;/path&gt;&lt;/svg&gt;&lt;/span&gt;&#039;;
		} else {
			$markup .= &#039;&lt;a class=&quot;wp-block-pages-list__item__link&#039; . esc_attr( $navigation_child_content_class ) . &#039;&quot; href=&quot;&#039; . esc_url( $page[&#039;link&#039;] ) . &#039;&quot;&#039; . $aria_current . &#039;&gt;&#039; . $title . &#039;&lt;/a&gt;&#039;;
		}

		if ( isset( $page[&#039;children&#039;] ) ) {
			if ( $is_navigation_child &amp;&amp; $show_submenu_icons &amp;&amp; ! $open_submenus_on_click ) {
				$markup .= &#039;&lt;button aria-label=&quot;&#039; . esc_attr( $aria_label ) . &#039;&quot; class=&quot;wp-block-navigation__submenu-icon wp-block-navigation-submenu__toggle&quot; aria-expanded=&quot;false&quot;&gt;&#039;;
				$markup .= &#039;&lt;svg xmlns=&quot;http://www.w3.org/2000/svg&quot; width=&quot;12&quot; height=&quot;12&quot; viewBox=&quot;0 0 12 12&quot; fill=&quot;none&quot; aria-hidden=&quot;true&quot; focusable=&quot;false&quot;&gt;&lt;path d=&quot;M1.50002 4L6.00002 8L10.5 4&quot; stroke-width=&quot;1.5&quot;&gt;&lt;/path&gt;&lt;/svg&gt;&#039;;
				$markup .= &#039;&lt;/button&gt;&#039;;
			}
			$markup .= &#039;&lt;ul class=&quot;wp-block-navigation__submenu-container&quot;&gt;&#039;;
			$markup .= block_core_page_list_render_nested_page_list( $open_submenus_on_click, $show_submenu_icons, $is_navigation_child, $page[&#039;children&#039;], $is_nested, $active_page_ancestor_ids, $colors, $depth + 1 );
			$markup .= &#039;&lt;/ul&gt;&#039;;
		}
		$markup .= &#039;&lt;/li&gt;&#039;;
	}
	return $markup;
}

/**
 * Outputs nested array of pages
 *
 * @since 5.8.0
 *
 * @param array $current_level The level being iterated through.
 * @param array $children The children grouped by parent post ID.
 *
 * @return array The nested array of pages.
 */
function block_core_page_list_nest_pages( $current_level, $children ) {
	if ( empty( $current_level ) ) {
		return;
	}
	foreach ( (array) $current_level as $key =&gt; $current ) {
		if ( isset( $children[ $key ] ) ) {
			$current_level[ $key ][&#039;children&#039;] = block_core_page_list_nest_pages( $children[ $key ], $children );
		}
	}
	return $current_level;
}

/**
 * Renders the `core/page-list` block on server.
 *
 * @since 5.8.0
 *
 * @param array    $attributes The block attributes.
 * @param string   $content    The saved content.
 * @param WP_Block $block      The parsed block.
 *
 * @return string Returns the page list markup.
 */
function render_block_core_page_list( $attributes, $content, $block ) {
	static $block_id = 0;
	++$block_id;

	$parent_page_id = $attributes[&#039;parentPageID&#039;];
	$is_nested      = $attributes[&#039;isNested&#039;];

	$all_pages = get_pages(
		array(
			&#039;sort_column&#039; =&gt; &#039;menu_order,post_title&#039;,
			&#039;order&#039;       =&gt; &#039;asc&#039;,
		)
	);

	// If there are no pages, there is nothing to show.
	if ( empty( $all_pages ) ) {
		return;
	}

	$top_level_pages = array();

	$pages_with_children = array();

	$active_page_ancestor_ids = array();

	foreach ( (array) $all_pages as $page ) {
		$is_active = ! empty( $page-&gt;ID ) &amp;&amp; ( get_queried_object_id() === $page-&gt;ID );

		if ( $is_active ) {
			$active_page_ancestor_ids = get_post_ancestors( $page-&gt;ID );
		}

		if ( $page-&gt;post_parent ) {
			$pages_with_children[ $page-&gt;post_parent ][ $page-&gt;ID ] = array(
				&#039;page_id&#039;   =&gt; $page-&gt;ID,
				&#039;title&#039;     =&gt; $page-&gt;post_title,
				&#039;link&#039;      =&gt; get_permalink( $page ),
				&#039;is_active&#039; =&gt; $is_active,
			);
		} else {
			$top_level_pages[ $page-&gt;ID ] = array(
				&#039;page_id&#039;   =&gt; $page-&gt;ID,
				&#039;title&#039;     =&gt; $page-&gt;post_title,
				&#039;link&#039;      =&gt; get_permalink( $page ),
				&#039;is_active&#039; =&gt; $is_active,
			);

		}
	}

	$colors          = block_core_page_list_build_css_colors( $attributes, $block-&gt;context );
	$font_sizes      = block_core_page_list_build_css_font_sizes( $block-&gt;context );
	$classes         = array_merge(
		$colors[&#039;css_classes&#039;],
		$font_sizes[&#039;css_classes&#039;]
	);
	$style_attribute = ( $colors[&#039;inline_styles&#039;] . $font_sizes[&#039;inline_styles&#039;] );
	$css_classes     = trim( implode( &#039; &#039;, $classes ) );

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

	if ( 0 !== $parent_page_id ) {
		// If the parent page has no child pages, there is nothing to show.
		if ( ! array_key_exists( $parent_page_id, $pages_with_children ) ) {
			return;
		}

		$nested_pages = block_core_page_list_nest_pages(
			$pages_with_children[ $parent_page_id ],
			$pages_with_children
		);
	}

	$is_navigation_child = array_key_exists( &#039;showSubmenuIcon&#039;, $block-&gt;context );

	$open_submenus_on_click = array_key_exists( &#039;openSubmenusOnClick&#039;, $block-&gt;context ) ? $block-&gt;context[&#039;openSubmenusOnClick&#039;] : false;

	$show_submenu_icons = array_key_exists( &#039;showSubmenuIcon&#039;, $block-&gt;context ) ? $block-&gt;context[&#039;showSubmenuIcon&#039;] : false;

	$wrapper_markup = $is_nested ? &#039;%2$s&#039; : &#039;&lt;ul %1$s&gt;%2$s&lt;/ul&gt;&#039;;

	$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 );

	$wrapper_attributes = get_block_wrapper_attributes(
		array(
			&#039;class&#039; =&gt; $css_classes,
			&#039;style&#039; =&gt; $style_attribute,
		)
	);

	return sprintf(
		$wrapper_markup,
		$wrapper_attributes,
		$items_markup
	);
}

/**
 * Registers the `core/pages` block on server.
 *
 * @since 5.8.0
 */
function register_block_core_page_list() {
	register_block_type_from_metadata(
		__DIR__ . &#039;/page-list&#039;,
		array(
			&#039;render_callback&#039; =&gt; &#039;render_block_core_page_list&#039;,
		)
	);
}
add_action( &#039;init&#039;, &#039;register_block_core_page_list&#039; );
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