render_block_core_query_no_results

函数


render_block_core_query_no_results ( $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 wrapper for the no results block.
定义位置
  • wp-includes/blocks/query-no-results.php
    , line 17
引入
弃用

Renders the `core/query-no-results` block on the server.

function render_block_core_query_no_results( $attributes, $content, $block ) {
	if ( empty( trim( $content ) ) ) {
		return '';
	}

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

	// Override the custom query with the global query if needed.
	$use_global_query = ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] );
	if ( $use_global_query ) {
		global $wp_query;
		$query = $wp_query;
	} else {
		$query_args = build_query_vars_from_query_block( $block, $page );
		$query      = new WP_Query( $query_args );
	}

	if ( $query->have_posts() ) {
		return '';
	}

	if ( ! $use_global_query ) {
		wp_reset_postdata();
	}

	return sprintf(
		'
%2$s
', get_block_wrapper_attributes(), $content ); }