render_block_core_categories

函数
render_block_core_categories ( $attributes )
参数
  • (array) $attributes The block attributes.
    Required:
返回值
  • (string) Returns the categories list/dropdown markup.
定义位置
相关方法
register_block_core_categoriesrender_block_core_archivesrender_block_core_patternrender_block_core_rssrender_block_core_cover
引入
-
弃用
-

render_block_core_categories: 这个函数用来渲染WordPress中的分类块。分类块允许用户显示分配给文章的类别列表: 这个函数负责生成分类块的HTML标记。

在服务器上渲染`core/categories’区块。

function render_block_core_categories( $attributes ) {
	static $block_id = 0;
	$block_id++;

	$args = array(
		'echo'         => false,
		'hierarchical' => ! empty( $attributes['showHierarchy'] ),
		'orderby'      => 'name',
		'show_count'   => ! empty( $attributes['showPostCounts'] ),
		'title_li'     => '',
		'hide_empty'   => empty( $attributes['showEmpty'] ),
	);
	if ( ! empty( $attributes['showOnlyTopLevel'] ) && $attributes['showOnlyTopLevel'] ) {
		$args['parent'] = 0;
	}

	if ( ! empty( $attributes['displayAsDropdown'] ) ) {
		$id                       = 'wp-block-categories-' . $block_id;
		$args['id']               = $id;
		$args['show_option_none'] = __( 'Select Category' );
		$wrapper_markup           = '<div %1$s><label class="screen-reader-text" for="' . esc_attr( $id ) . '">' . __( 'Categories' ) . '</label>%2$s</div>';
		$items_markup             = wp_dropdown_categories( $args );
		$type                     = 'dropdown';

		if ( ! is_admin() ) {
			// Inject the dropdown script immediately after the select dropdown.
			$items_markup = preg_replace(
				'#(?<=</select>)#',
				build_dropdown_script_block_core_categories( $id ),
				$items_markup,
				1
			);
		}
	} else {
		$wrapper_markup = '<ul %1$s>%2$s</ul>';
		$items_markup   = wp_list_categories( $args );
		$type           = 'list';
	}

	$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => "wp-block-categories-{$type}" ) );

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

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