render_block_core_query_pagination_previous

函数
render_block_core_query_pagination_previous ( $attributes, $content, $block )
参数
  • (array) $attributes Block attributes.
    Required:
  • (string) $content Block default content.
    Required:
  • (WP_Block) $block Block instance.
    Required:
返回值
  • (string) Returns the previous posts link for the query.
定义位置
相关方法
register_block_core_query_pagination_previousrender_block_core_query_pagination_nextrender_block_core_comments_pagination_previousrender_block_core_query_paginationrender_block_core_query_pagination_numbers
引入
-
弃用
-

render_block_core_query_pagination_previous: 这个函数用来为WordPress中的查询块渲染”前一页”的分页链接。它是render_block_core_query_pagination函数的一部分,负责为链接生成HTML标记,使用户能够返回到上一页的结果。

渲染服务器上的`core/query-pagination-previous`区块。

function render_block_core_query_pagination_previous( $attributes, $content, $block ) {
	$page_key = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page';
	$page     = empty( $_GET[ $page_key ] ) ? 1 : (int) $_GET[ $page_key ];

	$wrapper_attributes = get_block_wrapper_attributes();
	$default_label      = __( 'Previous Page' );
	$label              = isset( $attributes['label'] ) && ! empty( $attributes['label'] ) ? esc_html( $attributes['label'] ) : $default_label;
	$pagination_arrow   = get_query_pagination_arrow( $block, false );
	if ( $pagination_arrow ) {
		$label = $pagination_arrow . $label;
	}
	$content = '';
	// Check if the pagination is for Query that inherits the global context
	// and handle appropriately.
	if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) {
		$filter_link_attributes = function() use ( $wrapper_attributes ) {
			return $wrapper_attributes;
		};

		add_filter( 'previous_posts_link_attributes', $filter_link_attributes );
		$content = get_previous_posts_link( $label );
		remove_filter( 'previous_posts_link_attributes', $filter_link_attributes );
	} elseif ( 1 !== $page ) {
		$content = sprintf(
			'<a href="%1$s" %2$s>%3$s</a>',
			esc_url( add_query_arg( $page_key, $page - 1 ) ),
			$wrapper_attributes,
			$label
		);
	}
	return $content;
}

常见问题

FAQs
查看更多 >