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1 <?php 2 /** 3 * Server-side rendering of the `core/query-no-results` block. 4 * 5 * @package WordPress 6 */ 7 8 /** 9 * Renders the `core/query-no-results` block on the server. 10 * 11 * @param array $attributes Block attributes. 12 * @param string $content Block default content. 13 * @param WP_Block $block Block instance. 14 * 15 * @return string Returns the wrapper for the no results block. 16 */ 17 function render_block_core_query_no_results( $attributes, $content, $block ) { 18 if ( empty( trim( $content ) ) ) { 19 return ''; 20 } 21 22 $page_key = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page'; 23 $page = empty( $_GET[ $page_key ] ) ? 1 : (int) $_GET[ $page_key ]; 24 25 // Override the custom query with the global query if needed. 26 $use_global_query = ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ); 27 if ( $use_global_query ) { 28 global $wp_query; 29 $query = $wp_query; 30 } else { 31 $query_args = build_query_vars_from_query_block( $block, $page ); 32 $query = new WP_Query( $query_args ); 33 } 34 35 if ( $query->post_count > 0 ) { 36 return ''; 37 } 38 39 $classes = ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) ? 'has-link-color' : ''; 40 $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => $classes ) ); 41 return sprintf( 42 '<div %1$s>%2$s</div>', 43 $wrapper_attributes, 44 $content 45 ); 46 } 47 48 /** 49 * Registers the `core/query-no-results` block on the server. 50 */ 51 function register_block_core_query_no_results() { 52 register_block_type_from_metadata( 53 __DIR__ . '/query-no-results', 54 array( 55 'render_callback' => 'render_block_core_query_no_results', 56 ) 57 ); 58 } 59 add_action( 'init', 'register_block_core_query_no_results' );
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Generated : Thu Mar 28 08:20:01 2024 | Cross-referenced by PHPXref |