render_block_core_query_no_results
函数
render_block_core_query_no_results ( $attributes, $content, $block )
- 参数
-
-
(array)
$attributes
Block attributes.- Required: 是
-
(string)
$content
Block default content.- Required: 是
-
(WP_Block)
$block
Block instance.- Required: 是
-
(array)
- 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
-
wp-includes/blocks/query-no-results.php
- 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
);
}
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