render_block_core_navigation

函式


      render_block_core_navigation ( $attributes, $content, $block )

引數

(array) $attributes The block attributes.

Required: 是
(string) $content The saved content.

Required: 是
(WP_Block) $block The parsed block.

Required: 是

返回值

(string) Returns the post content with the legacy widget added.

定義位置

wp-includes/blocks/navigation.php , line 389

相關方法: render_block_core_navigation_link register_block_core_navigation render_block_core_navigation_submenu render_block_core_post_navigation_link render_block_core_avatar

引入: -

棄用: -

render_block_core_navigation: 這個函式用來渲染WordPress中的導航塊。導航塊允許使用者在他們的網站上新增一個選單: 這個函式負責生成導航塊的HTML標記。

在伺服器上渲染`core/navigation’區塊。

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

static $seen_menu_names = array();

// Flag used to indicate whether the rendered output is considered to be

// a fallback (i.e. the block has no menu associated with it).

$is_fallback = false;

$nav_menu_name = '';

/**

* Deprecated:

* The rgbTextColor and rgbBackgroundColor attributes

* have been deprecated in favor of

* customTextColor and customBackgroundColor ones.

* Move the values from old attrs to the new ones.

if ( isset( $attributes['rgbTextColor'] ) && empty( $attributes['textColor'] ) ) {

$attributes['customTextColor'] = $attributes['rgbTextColor'];

}

if ( isset( $attributes['rgbBackgroundColor'] ) && empty( $attributes['backgroundColor'] ) ) {

$attributes['customBackgroundColor'] = $attributes['rgbBackgroundColor'];

}

unset( $attributes['rgbTextColor'], $attributes['rgbBackgroundColor'] );

/**

* This is for backwards compatibility after `isResponsive` attribute has been removed.

$has_old_responsive_attribute = ! empty( $attributes['isResponsive'] ) && $attributes['isResponsive'];

$is_responsive_menu = isset( $attributes['overlayMenu'] ) && 'never' !== $attributes['overlayMenu'] || $has_old_responsive_attribute;

$should_load_view_script = ! wp_script_is( 'wp-block-navigation-view' ) && ( $is_responsive_menu || $attributes['openSubmenusOnClick'] || $attributes['showSubmenuIcon'] );

if ( $should_load_view_script ) {

wp_enqueue_script( 'wp-block-navigation-view' );

}

$should_load_modal_view_script = isset( $attributes['overlayMenu'] ) && 'never' !== $attributes['overlayMenu'];

if ( $should_load_modal_view_script ) {

wp_enqueue_script( 'wp-block-navigation-view-modal' );

}

$inner_blocks = $block->inner_blocks;

// Ensure that blocks saved with the legacy ref attribute name (navigationMenuId) continue to render.

if ( array_key_exists( 'navigationMenuId', $attributes ) ) {

$attributes['ref'] = $attributes['navigationMenuId'];

}

// If:

// - the gutenberg plugin is active

// - `__unstableLocation` is defined

// - we have menu items at the defined location

// - we don't have a relationship to a `wp_navigation` Post (via `ref`).

// ...then create inner blocks from the classic menu assigned to that location.

if (

defined( 'IS_GUTENBERG_PLUGIN' ) && IS_GUTENBERG_PLUGIN &&

array_key_exists( '__unstableLocation', $attributes ) &&

! array_key_exists( 'ref', $attributes ) &&

! empty( block_core_navigation_get_menu_items_at_location( $attributes['__unstableLocation'] ) )

) {

$menu_items = block_core_navigation_get_menu_items_at_location( $attributes['__unstableLocation'] );

if ( empty( $menu_items ) ) {

return '';

}

$menu_items_by_parent_id = block_core_navigation_sort_menu_items_by_parent_id( $menu_items );

$parsed_blocks = block_core_navigation_parse_blocks_from_menu_items( $menu_items_by_parent_id[0], $menu_items_by_parent_id );

$inner_blocks = new WP_Block_List( $parsed_blocks, $attributes );

}

// Load inner blocks from the navigation post.

if ( array_key_exists( 'ref', $attributes ) ) {

$navigation_post = get_post( $attributes['ref'] );

if ( ! isset( $navigation_post ) ) {

return '';

}

// Only published posts are valid. If this is changed then a corresponding change

// must also be implemented in `use-navigation-menu.js`.

if ( 'publish' === $navigation_post->post_status ) {

$nav_menu_name = $navigation_post->post_title;

if ( isset( $seen_menu_names[ $nav_menu_name ] ) ) {

++$seen_menu_names[ $nav_menu_name ];

} else {

$seen_menu_names[ $nav_menu_name ] = 1;

}

$parsed_blocks = parse_blocks( $navigation_post->post_content );

// 'parse_blocks' includes a null block with 'nn' as the content when

// it encounters whitespace. This code strips it.

$compacted_blocks = block_core_navigation_filter_out_empty_blocks( $parsed_blocks );

// TODO - this uses the full navigation block attributes for the

// context which could be refined.

$inner_blocks = new WP_Block_List( $compacted_blocks, $attributes );

}

// If there are no inner blocks then fallback to rendering an appropriate fallback.

if ( empty( $inner_blocks ) ) {

$is_fallback = true; // indicate we are rendering the fallback.

$fallback_blocks = block_core_navigation_get_fallback_blocks();

// Fallback my have been filtered so do basic test for validity.

if ( empty( $fallback_blocks ) || ! is_array( $fallback_blocks ) ) {

return '';

}

$inner_blocks = new WP_Block_List( $fallback_blocks, $attributes );

}

/**

* Filter navigation block $inner_blocks.

* Allows modification of a navigation block menu items.

* @since 6.1.0

* @param WP_Block_List $inner_blocks

$inner_blocks = apply_filters( 'block_core_navigation_render_inner_blocks', $inner_blocks );

$layout_justification = array(

'left' => 'items-justified-left',

'right' => 'items-justified-right',

'center' => 'items-justified-center',

'space-between' => 'items-justified-space-between',

);

// Restore legacy classnames for submenu positioning.

$layout_class = '';

if ( isset( $attributes['layout']['justifyContent'] ) ) {

$layout_class .= $layout_justification[ $attributes['layout']['justifyContent'] ];

}

if ( isset( $attributes['layout']['orientation'] ) && 'vertical' === $attributes['layout']['orientation'] ) {

$layout_class .= ' is-vertical';

}

if ( isset( $attributes['layout']['flexWrap'] ) && 'nowrap' === $attributes['layout']['flexWrap'] ) {

$layout_class .= ' no-wrap';

}

// Manually add block support text decoration as CSS class.

$text_decoration = _wp_array_get( $attributes, array( 'style', 'typography', 'textDecoration' ), null );

$text_decoration_class = sprintf( 'has-text-decoration-%s', $text_decoration );

$colors = block_core_navigation_build_css_colors( $attributes );

$font_sizes = block_core_navigation_build_css_font_sizes( $attributes );

$classes = array_merge(

$colors['css_classes'],

$font_sizes['css_classes'],

$is_responsive_menu ? array( 'is-responsive' ) : array(),

$layout_class ? array( $layout_class ) : array(),

$is_fallback ? array( 'is-fallback' ) : array(),

$text_decoration ? array( $text_decoration_class ) : array()

);

$post_ids = block_core_navigation_get_post_ids( $inner_blocks );

if ( $post_ids ) {

_prime_post_caches( $post_ids, false, false );

}

$inner_blocks_html = '';

$is_list_open = false;

foreach ( $inner_blocks as $inner_block ) {

if ( ( 'core/navigation-link' === $inner_block->name || 'core/home-link' === $inner_block->name || 'core/site-title' === $inner_block->name || 'core/site-logo' === $inner_block->name || 'core/navigation-submenu' === $inner_block->name ) && ! $is_list_open ) {

$is_list_open = true;

$inner_blocks_html .= '<ul class="wp-block-navigation__container">';

}

if ( 'core/navigation-link' !== $inner_block->name && 'core/home-link' !== $inner_block->name && 'core/site-title' !== $inner_block->name && 'core/site-logo' !== $inner_block->name && 'core/navigation-submenu' !== $inner_block->name && $is_list_open ) {

$is_list_open = false;

$inner_blocks_html .= '</ul>';

}

$inner_block_content = $inner_block->render();

if ( 'core/site-title' === $inner_block->name || ( 'core/site-logo' === $inner_block->name && $inner_block_content ) ) {

$inner_blocks_html .= '<li class="wp-block-navigation-item">' . $inner_block_content . '</li>';

} else {

$inner_blocks_html .= $inner_block_content;

}

if ( $is_list_open ) {

$inner_blocks_html .= '</ul>';

}

$block_styles = isset( $attributes['styles'] ) ? $attributes['styles'] : '';

// If the menu name has been used previously then append an ID

// to the name to ensure uniqueness across a given post.

if ( isset( $seen_menu_names[ $nav_menu_name ] ) && $seen_menu_names[ $nav_menu_name ] > 1 ) {

$count = $seen_menu_names[ $nav_menu_name ];

$nav_menu_name = $nav_menu_name . ' ' . ( $count );

}

$wrapper_attributes = get_block_wrapper_attributes(

array(

'class' => implode( ' ', $classes ),

'style' => $block_styles . $colors['inline_styles'] . $font_sizes['inline_styles'],

'aria-label' => $nav_menu_name,

)

);

$modal_unique_id = wp_unique_id( 'modal-' );

// Determine whether or not navigation elements should be wrapped in the markup required to make it responsive,

// return early if they don't.

if ( ! $is_responsive_menu ) {

return sprintf(

'<nav %1$s>%2$s</nav>',

$wrapper_attributes,

$inner_blocks_html

);

}

$is_hidden_by_default = isset( $attributes['overlayMenu'] ) && 'always' === $attributes['overlayMenu'];

$responsive_container_classes = array(

'wp-block-navigation__responsive-container',

$is_hidden_by_default ? 'hidden-by-default' : '',

implode( ' ', $colors['overlay_css_classes'] ),

);

$open_button_classes = array(

'wp-block-navigation__responsive-container-open',

$is_hidden_by_default ? 'always-shown' : '',

);

$should_display_icon_label = isset( $attributes['hasIcon'] ) && true === $attributes['hasIcon'];

$toggle_button_icon = '<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><rect x="4" y="7.5" width="16" height="1.5" /><rect x="4" y="15" width="16" height="1.5" /></svg>';

if ( isset( $attributes['icon'] ) ) {

if ( 'menu' === $attributes['icon'] ) {

$toggle_button_icon = '<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M5 5v1.5h14V5H5zm0 7.8h14v-1.5H5v1.5zM5 19h14v-1.5H5V19z" /></svg>';

}

$toggle_button_content = $should_display_icon_label ? $toggle_button_icon : __( 'Menu' );

$toggle_close_button_icon = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24" aria-hidden="true" focusable="false"><path d="M13 11.8l6.1-6.3-1-1-6.1 6.2-6.1-6.2-1 1 6.1 6.3-6.5 6.7 1 1 6.5-6.6 6.5 6.6 1-1z"></path></svg>';

$toggle_close_button_content = $should_display_icon_label ? $toggle_close_button_icon : __( 'Close' );

$toggle_aria_label_open = $should_display_icon_label ? 'aria-label="' . __( 'Open menu' ) . '"' : ''; // Open button label.

$toggle_aria_label_close = $should_display_icon_label ? 'aria-label="' . __( 'Close menu' ) . '"' : ''; // Close button label.

$responsive_container_markup = sprintf(

'<button aria-haspopup="true" %3$s class="%6$s" data-micromodal-trigger="%1$s">%9$s</button>

%2$s

</div>

</div>',

esc_attr( $modal_unique_id ),

$inner_blocks_html,

$toggle_aria_label_open,

$toggle_aria_label_close,

esc_attr( implode( ' ', $responsive_container_classes ) ),

esc_attr( implode( ' ', $open_button_classes ) ),

esc_attr( safecss_filter_attr( $colors['overlay_inline_styles'] ) ),

__( 'Menu' ),

$toggle_button_content,

$toggle_close_button_content

);

return sprintf(

'<nav %1$s>%2$s</nav>',

$wrapper_attributes,

$responsive_container_markup

);

}

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

	static $seen_menu_names = array();

	// Flag used to indicate whether the rendered output is considered to be
	// a fallback (i.e. the block has no menu associated with it).
	$is_fallback = false;

	$nav_menu_name = '';

	/**
	 * Deprecated:
	 * The rgbTextColor and rgbBackgroundColor attributes
	 * have been deprecated in favor of
	 * customTextColor and customBackgroundColor ones.
	 * Move the values from old attrs to the new ones.
	 */
	if ( isset( $attributes['rgbTextColor'] ) && empty( $attributes['textColor'] ) ) {
		$attributes['customTextColor'] = $attributes['rgbTextColor'];
	}

	if ( isset( $attributes['rgbBackgroundColor'] ) && empty( $attributes['backgroundColor'] ) ) {
		$attributes['customBackgroundColor'] = $attributes['rgbBackgroundColor'];
	}

	unset( $attributes['rgbTextColor'], $attributes['rgbBackgroundColor'] );

	/**
	 * This is for backwards compatibility after `isResponsive` attribute has been removed.
	 */
	$has_old_responsive_attribute = ! empty( $attributes['isResponsive'] ) && $attributes['isResponsive'];
	$is_responsive_menu           = isset( $attributes['overlayMenu'] ) && 'never' !== $attributes['overlayMenu'] || $has_old_responsive_attribute;
	$should_load_view_script      = ! wp_script_is( 'wp-block-navigation-view' ) && ( $is_responsive_menu || $attributes['openSubmenusOnClick'] || $attributes['showSubmenuIcon'] );
	if ( $should_load_view_script ) {
		wp_enqueue_script( 'wp-block-navigation-view' );
	}

	$should_load_modal_view_script = isset( $attributes['overlayMenu'] ) && 'never' !== $attributes['overlayMenu'];
	if ( $should_load_modal_view_script ) {
		wp_enqueue_script( 'wp-block-navigation-view-modal' );
	}

	$inner_blocks = $block->inner_blocks;

	// Ensure that blocks saved with the legacy ref attribute name (navigationMenuId) continue to render.
	if ( array_key_exists( 'navigationMenuId', $attributes ) ) {
		$attributes['ref'] = $attributes['navigationMenuId'];
	}

	// If:
	// - the gutenberg plugin is active
	// - `__unstableLocation` is defined
	// - we have menu items at the defined location
	// - we don't have a relationship to a `wp_navigation` Post (via `ref`).
	// ...then create inner blocks from the classic menu assigned to that location.
	if (
		defined( 'IS_GUTENBERG_PLUGIN' ) && IS_GUTENBERG_PLUGIN &&
		array_key_exists( '__unstableLocation', $attributes ) &&
		! array_key_exists( 'ref', $attributes ) &&
		! empty( block_core_navigation_get_menu_items_at_location( $attributes['__unstableLocation'] ) )
	) {
		$menu_items = block_core_navigation_get_menu_items_at_location( $attributes['__unstableLocation'] );
		if ( empty( $menu_items ) ) {
			return '';
		}

		$menu_items_by_parent_id = block_core_navigation_sort_menu_items_by_parent_id( $menu_items );
		$parsed_blocks           = block_core_navigation_parse_blocks_from_menu_items( $menu_items_by_parent_id[0], $menu_items_by_parent_id );
		$inner_blocks            = new WP_Block_List( $parsed_blocks, $attributes );
	}

	// Load inner blocks from the navigation post.
	if ( array_key_exists( 'ref', $attributes ) ) {
		$navigation_post = get_post( $attributes['ref'] );
		if ( ! isset( $navigation_post ) ) {
			return '';
		}

		// Only published posts are valid. If this is changed then a corresponding change
		// must also be implemented in `use-navigation-menu.js`.
		if ( 'publish' === $navigation_post->post_status ) {
			$nav_menu_name = $navigation_post->post_title;

			if ( isset( $seen_menu_names[ $nav_menu_name ] ) ) {
				++$seen_menu_names[ $nav_menu_name ];
			} else {
				$seen_menu_names[ $nav_menu_name ] = 1;
			}

			$parsed_blocks = parse_blocks( $navigation_post->post_content );

			// 'parse_blocks' includes a null block with 'nn' as the content when
			// it encounters whitespace. This code strips it.
			$compacted_blocks = block_core_navigation_filter_out_empty_blocks( $parsed_blocks );

			// TODO - this uses the full navigation block attributes for the
			// context which could be refined.
			$inner_blocks = new WP_Block_List( $compacted_blocks, $attributes );
		}
	}

	// If there are no inner blocks then fallback to rendering an appropriate fallback.
	if ( empty( $inner_blocks ) ) {
		$is_fallback = true; // indicate we are rendering the fallback.

		$fallback_blocks = block_core_navigation_get_fallback_blocks();

		// Fallback my have been filtered so do basic test for validity.
		if ( empty( $fallback_blocks ) || ! is_array( $fallback_blocks ) ) {
			return '';
		}

		$inner_blocks = new WP_Block_List( $fallback_blocks, $attributes );
	}

	/**
	 * Filter navigation block $inner_blocks.
	 * Allows modification of a navigation block menu items.
	 *
	 * @since 6.1.0
	 *
	 * @param WP_Block_List $inner_blocks
	 */
	$inner_blocks = apply_filters( 'block_core_navigation_render_inner_blocks', $inner_blocks );

	$layout_justification = array(
		'left'          => 'items-justified-left',
		'right'         => 'items-justified-right',
		'center'        => 'items-justified-center',
		'space-between' => 'items-justified-space-between',
	);

	// Restore legacy classnames for submenu positioning.
	$layout_class = '';
	if ( isset( $attributes['layout']['justifyContent'] ) ) {
		$layout_class .= $layout_justification[ $attributes['layout']['justifyContent'] ];
	}
	if ( isset( $attributes['layout']['orientation'] ) && 'vertical' === $attributes['layout']['orientation'] ) {
		$layout_class .= ' is-vertical';
	}

	if ( isset( $attributes['layout']['flexWrap'] ) && 'nowrap' === $attributes['layout']['flexWrap'] ) {
		$layout_class .= ' no-wrap';
	}

	// Manually add block support text decoration as CSS class.
	$text_decoration       = _wp_array_get( $attributes, array( 'style', 'typography', 'textDecoration' ), null );
	$text_decoration_class = sprintf( 'has-text-decoration-%s', $text_decoration );

	$colors     = block_core_navigation_build_css_colors( $attributes );
	$font_sizes = block_core_navigation_build_css_font_sizes( $attributes );
	$classes    = array_merge(
		$colors['css_classes'],
		$font_sizes['css_classes'],
		$is_responsive_menu ? array( 'is-responsive' ) : array(),
		$layout_class ? array( $layout_class ) : array(),
		$is_fallback ? array( 'is-fallback' ) : array(),
		$text_decoration ? array( $text_decoration_class ) : array()
	);

	$post_ids = block_core_navigation_get_post_ids( $inner_blocks );
	if ( $post_ids ) {
		_prime_post_caches( $post_ids, false, false );
	}

	$inner_blocks_html = '';
	$is_list_open      = false;
	foreach ( $inner_blocks as $inner_block ) {
		if ( ( 'core/navigation-link' === $inner_block->name || 'core/home-link' === $inner_block->name || 'core/site-title' === $inner_block->name || 'core/site-logo' === $inner_block->name || 'core/navigation-submenu' === $inner_block->name ) && ! $is_list_open ) {
			$is_list_open       = true;
			$inner_blocks_html .= '<ul class="wp-block-navigation__container">';
		}
		if ( 'core/navigation-link' !== $inner_block->name && 'core/home-link' !== $inner_block->name && 'core/site-title' !== $inner_block->name && 'core/site-logo' !== $inner_block->name && 'core/navigation-submenu' !== $inner_block->name && $is_list_open ) {
			$is_list_open       = false;
			$inner_blocks_html .= '</ul>';
		}
		$inner_block_content = $inner_block->render();
		if ( 'core/site-title' === $inner_block->name || ( 'core/site-logo' === $inner_block->name && $inner_block_content ) ) {
			$inner_blocks_html .= '<li class="wp-block-navigation-item">' . $inner_block_content . '</li>';
		} else {
			$inner_blocks_html .= $inner_block_content;
		}
	}

	if ( $is_list_open ) {
		$inner_blocks_html .= '</ul>';
	}

	$block_styles = isset( $attributes['styles'] ) ? $attributes['styles'] : '';

	// If the menu name has been used previously then append an ID
	// to the name to ensure uniqueness across a given post.
	if ( isset( $seen_menu_names[ $nav_menu_name ] ) && $seen_menu_names[ $nav_menu_name ] > 1 ) {
		$count         = $seen_menu_names[ $nav_menu_name ];
		$nav_menu_name = $nav_menu_name . ' ' . ( $count );
	}

	$wrapper_attributes = get_block_wrapper_attributes(
		array(
			'class'      => implode( ' ', $classes ),
			'style'      => $block_styles . $colors['inline_styles'] . $font_sizes['inline_styles'],
			'aria-label' => $nav_menu_name,
		)
	);

	$modal_unique_id = wp_unique_id( 'modal-' );

	// Determine whether or not navigation elements should be wrapped in the markup required to make it responsive,
	// return early if they don't.
	if ( ! $is_responsive_menu ) {
		return sprintf(
			'<nav %1$s>%2$s</nav>',
			$wrapper_attributes,
			$inner_blocks_html
		);
	}

	$is_hidden_by_default = isset( $attributes['overlayMenu'] ) && 'always' === $attributes['overlayMenu'];

	$responsive_container_classes = array(
		'wp-block-navigation__responsive-container',
		$is_hidden_by_default ? 'hidden-by-default' : '',
		implode( ' ', $colors['overlay_css_classes'] ),
	);
	$open_button_classes          = array(
		'wp-block-navigation__responsive-container-open',
		$is_hidden_by_default ? 'always-shown' : '',
	);

	$should_display_icon_label = isset( $attributes['hasIcon'] ) && true === $attributes['hasIcon'];
	$toggle_button_icon        = '<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" aria-hidden="true" focusable="false"><rect x="4" y="7.5" width="16" height="1.5" /><rect x="4" y="15" width="16" height="1.5" /></svg>';
	if ( isset( $attributes['icon'] ) ) {
		if ( 'menu' === $attributes['icon'] ) {
			$toggle_button_icon = '<svg width="24" height="24" xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24"><path d="M5 5v1.5h14V5H5zm0 7.8h14v-1.5H5v1.5zM5 19h14v-1.5H5V19z" /></svg>';
		}
	}
	$toggle_button_content       = $should_display_icon_label ? $toggle_button_icon : __( 'Menu' );
	$toggle_close_button_icon    = '<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" width="24" height="24" aria-hidden="true" focusable="false"><path d="M13 11.8l6.1-6.3-1-1-6.1 6.2-6.1-6.2-1 1 6.1 6.3-6.5 6.7 1 1 6.5-6.6 6.5 6.6 1-1z"></path></svg>';
	$toggle_close_button_content = $should_display_icon_label ? $toggle_close_button_icon : __( 'Close' );
	$toggle_aria_label_open      = $should_display_icon_label ? 'aria-label="' . __( 'Open menu' ) . '"' : ''; // Open button label.
	$toggle_aria_label_close     = $should_display_icon_label ? 'aria-label="' . __( 'Close menu' ) . '"' : ''; // Close button label.

	$responsive_container_markup = sprintf(
		'<button aria-haspopup="true" %3$s class="%6$s" data-micromodal-trigger="%1$s">%9$s</button>
			<div class="%5$s" style="%7$s" id="%1$s">
				<div class="wp-block-navigation__responsive-close" tabindex="-1" data-micromodal-close>
					<div class="wp-block-navigation__responsive-dialog" aria-label="%8$s">
							<button %4$s data-micromodal-close class="wp-block-navigation__responsive-container-close">%10$s</button>
						<div class="wp-block-navigation__responsive-container-content" id="%1$s-content">
							%2$s
						</div>
					</div>
				</div>
			</div>',
		esc_attr( $modal_unique_id ),
		$inner_blocks_html,
		$toggle_aria_label_open,
		$toggle_aria_label_close,
		esc_attr( implode( ' ', $responsive_container_classes ) ),
		esc_attr( implode( ' ', $open_button_classes ) ),
		esc_attr( safecss_filter_attr( $colors['overlay_inline_styles'] ) ),
		__( 'Menu' ),
		$toggle_button_content,
		$toggle_close_button_content
	);

	return sprintf(
		'<nav %1$s>%2$s</nav>',
		$wrapper_attributes,
		$responsive_container_markup
	);
}

常見問題

FAQs

如何使用get_users獲取所有使用者列表？
要使用` get_users `函式獲取所有使用者列表，可以按照以下步驟進行：

1. 使用` get_users `函式呼叫獲取使用者列表：

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$users = get_users();
$users = get_users();
```
$users = get_users();
```
2. 您可以按需使用引數來過濾結果。例如，您可以通過角色、使用者ID、使用者登入名等過濾使用者列表。以下是一個根據使用者角色為過濾條件的示例：

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$users = get_users( array(
'role' => 'subscriber' // 將角色名稱替換為您要過濾的角色
) );
$users = get_users( array( 'role' => 'subscriber' // 將角色名稱替換為您要過濾的角色 ) );
```
$users = get_users( array(
    'role' => 'subscriber' // 將角色名稱替換為您要過濾的角色
) );
```
在上述示例中，將` role `引數設定為所需的角色名稱來過濾使用者列表。

3. 您可以使用迴圈遍歷獲取的使用者列表，並訪問每個使用者的屬性。例如，以下示例將顯示每個使用者的使用者名稱和電子郵件地址：

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foreach( $users as $user ) {
echo '使用者名稱：' . $user->user_login . ', 電子郵件：' . $user->user_email . ;
}
foreach( $users as $user ) { echo '使用者名稱：' . $user->user_login . ', 電子郵件：' . $user->user_email . ; }
```
foreach( $users as $user ) {
    echo '使用者名稱：' . $user->user_login . ', 電子郵件：' . $user->user_email . ;
}
```
在上述示例中，通過` $user->user_login `和` $user->user_email `訪問每個使用者的使用者名稱和電子郵件地址。

請注意，` get_users `函式預設返回所有使用者，並可以根據需要使用更多引數進行過濾。您可以參閱WordPress官方文件中的` get_users `函式文件，瞭解更多可用引數和用法示例。

總結起來，使用` get_users `函式獲取所有使用者列表的步驟是：
1. 呼叫` get_users `函式獲取使用者列表。
2. 使用可選的過濾引數，根據需要過濾使用者列表。
3. 使用迴圈遍歷使用者列表，並訪問每個使用者的屬性。
如何使用WP_PLUGIN_DIR和WP_PLUGIN_URL定義外掛的目錄和URL？
在WordPress中，可以使用WP_PLUGIN_DIR和WP_PLUGIN_URL常量來定義外掛的目錄路徑和URL。

1. `WP_PLUGIN_DIR`：這是一個常量，用於定義外掛的目錄路徑（檔案系統路徑）。您可以使用以下程式碼在外掛檔案中訪問該常量：

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$plugin_dir = WP_PLUGIN_DIR . '/your-plugin-folder/';
$plugin_dir = WP_PLUGIN_DIR . '/your-plugin-folder/';
```
$plugin_dir = WP_PLUGIN_DIR . '/your-plugin-folder/';
```
在上述程式碼中，將"your-plugin-folder"替換為您外掛的實際資料夾名稱。使用該常量，您可以獲取外掛檔案的完整路徑。

2. `WP_PLUGIN_URL`：這是一個常量，用於定義外掛的URL（用於在網頁上訪問外掛檔案）。以下是一個使用該常量的示例：

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$plugin_url = WP_PLUGIN_URL . '/your-plugin-folder/';
$plugin_url = WP_PLUGIN_URL . '/your-plugin-folder/';
```
$plugin_url = WP_PLUGIN_URL . '/your-plugin-folder/';
```
同樣，請將"your-plugin-folder"替換為您外掛的實際資料夾名稱。使用該常量，您可以獲取外掛在網頁上的完整URL。

請注意，`WP_PLUGIN_DIR`和`WP_PLUGIN_URL`常量在WordPress版本2.6之後引入。從WordPress 5.5版本開始，這兩個常量被標記為過時（deprecated），因為WordPress更傾向於使用新的外掛檔案結構。如果您正在開發新外掛，建議使用新的外掛檔案結構和相關函式。

在新的外掛檔案結構中，可以使用以下函式來獲取外掛的目錄路徑和URL：

- `plugin_dir_path()`：獲取外掛目錄路徑。
- `plugin_dir_url()`：獲取外掛URL。

這些函式會自動將外掛的版本、多站點和SSL等考慮因素納入計算。

總結起來，使用`WP_PLUGIN_DIR`和`WP_PLUGIN_URL`常量定義外掛的目錄和URL的方法是：

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$plugin_dir = WP_PLUGIN_DIR . '/your-plugin-folder/';
$plugin_url = WP_PLUGIN_URL . '/your-plugin-folder/';
$plugin_dir = WP_PLUGIN_DIR . '/your-plugin-folder/'; $plugin_url = WP_PLUGIN_URL . '/your-plugin-folder/';
```
$plugin_dir = WP_PLUGIN_DIR . '/your-plugin-folder/';
$plugin_url = WP_PLUGIN_URL . '/your-plugin-folder/';
```
但請注意，這兩個常量已被標記為過時，建議使用新的外掛檔案結構和相關函式來獲取外掛的路徑和URL。
如何使用PHP在WordPress中新增自定義功能？
使用PHP在WordPress中新增自定義功能可以通過以下方式實現：
- 建立一個自定義外掛，將功能程式碼新增到外掛中。
- 使用WordPress的鉤子系統，將自定義功能繫結到適當的鉤子上。
- 在主題檔案中新增自定義功能程式碼，例如functions.php檔案。
- 使用WordPress的短程式碼功能，將自定義功能封裝為短程式碼。
- 使用WordPress的外掛或主題編輯器，將自定義功能程式碼新增到適當的位置。
下面是一個實操示例。

要在WordPress中新增自定義功能，可以按照以下步驟使用PHP編寫並新增自定義功能：
1. 開啟WordPress安裝目錄中的主題資料夾，通常位於wp-content/themes/下，找到正在使用的主題資料夾。
2. 在主題資料夾中，可以建立一個名為functions.php的檔案。如果該檔案已經存在，可以直接編輯它。
3. 在functions.php檔案中，可以使用PHP程式碼新增自定義功能。以下是一些常見的示例：
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  // 新增自定義功能示例
  // 1. 建立自定義短程式碼
  function custom_shortcode() {
  return '這是我的自定義短程式碼內容';
  }
  add_shortcode('custom', 'custom_shortcode');
  // 2. 自定義小工具
  function custom_widget() {
  echo '這是我的自定義小工具內容';
  }
  register_widget('custom_widget');
  // 3. 自定義選單
  function custom_menu() {
  register_nav_menu('custom-menu', '自定義選單');
  }
  add_action('after_setup_theme', 'custom_menu');
  // 4. 自定義頁面模板
  function custom_page_template() {
  /* Template Name: 自定義模板 */
  // 自定義模板的內容和樣式
  }
  // 新增自定義功能示例 // 1. 建立自定義短程式碼 function custom_shortcode() { return '這是我的自定義短程式碼內容'; } add_shortcode('custom', 'custom_shortcode'); // 2. 自定義小工具 function custom_widget() { echo '這是我的自定義小工具內容'; } register_widget('custom_widget'); // 3. 自定義選單 function custom_menu() { register_nav_menu('custom-menu', '自定義選單'); } add_action('after_setup_theme', 'custom_menu'); // 4. 自定義頁面模板 function custom_page_template() { /* Template Name: 自定義模板 */ // 自定義模板的內容和樣式 }
```
// 新增自定義功能示例

// 1. 建立自定義短程式碼
function custom_shortcode() {
    return '這是我的自定義短程式碼內容';
}
add_shortcode('custom', 'custom_shortcode');

// 2. 自定義小工具
function custom_widget() {
    echo '這是我的自定義小工具內容';
}
register_widget('custom_widget');

// 3. 自定義選單
function custom_menu() {
    register_nav_menu('custom-menu', '自定義選單');
}
add_action('after_setup_theme', 'custom_menu');

// 4. 自定義頁面模板
function custom_page_template() {
    /* Template Name: 自定義模板 */
    // 自定義模板的內容和樣式
}
```
4. 編輯完functions.php檔案後，儲存並上傳到WordPress主題資料夾中。
請注意，修改主題檔案可以在主題更新時丟失，因此建議在進行任何更改之前備份functions.php檔案。此外，為避免不必要的錯誤和衝突，建議在新增自定義功能前先了解WordPress開發文件和最佳實踐，以確保正確、安全地實現所需的自定義功能。
如何進行WordPress資料庫查詢優化？
進行WordPress資料庫查詢優化可以通過以下方式實現：
- 使用WordPress提供的內建查詢函式，例如 WP_Query 、 get_posts 等。
- 使用適當的查詢引數和過濾器，減少查詢次數和資料量。
- 編寫自定義的資料庫查詢語句，使用適當的索引和快取。
- 優化資料庫伺服器配置和效能。
- 定期清理和優化資料庫表。
如何使用do_action來觸發一個鉤子函式？
使用 do_action 函式可以觸發一個鉤子函式。do_action 函式的引數與要觸發的鉤子函式的引數相同。

例如，觸發save_post鉤子函式的程式碼如下：

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do_action( 'save_post', $post_ID, $post );
do_action( 'save_post', $post_ID, $post );
```
do_action( 'save_post', $post_ID, $post );
```
這裡，$post_ID 和 $post 是傳遞給鉤子函式的引數。
如何使用wp_get_current_user獲取當前登入使用者的資訊？
使用 wp_get_current_user 獲取當前登入使用者的資訊：

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$current_user = wp_get_current_user();

// 獲取當前使用者的ID
$user_id = $current_user->ID;

// 獲取當前使用者的使用者名稱
$user_login = $current_user->user_login;

// 獲取當前使用者的郵箱
$user_email = $current_user->user_email;

// 獲取當前使用者的顯示名稱
$display_name = $current_user->display_name;
$current_user = wp_get_current_user(); // 獲取當前使用者的ID $user_id = $current_user->ID; // 獲取當前使用者的使用者名稱 $user_login = $current_user->user_login; // 獲取當前使用者的郵箱 $user_email = $current_user->user_email; // 獲取當前使用者的顯示名稱 $display_name = $current_user->display_name;
```
$current_user = wp_get_current_user();  
  
// 獲取當前使用者的ID  
$user_id = $current_user->ID;  
  
// 獲取當前使用者的使用者名稱  
$user_login = $current_user->user_login;  
  
// 獲取當前使用者的郵箱  
$user_email = $current_user->user_email;  
  
// 獲取當前使用者的顯示名稱  
$display_name = $current_user->display_name;
```

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