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<?php |
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/** |
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* Server-side rendering of the `core/query-pagination-next` block. |
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* |
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* @package WordPress |
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*/ |
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|
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/** |
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* Renders the `core/query-pagination-next` block on the server. |
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* |
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* @param array $attributes Block attributes. |
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* @param string $content Block default content. |
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* @param WP_Block $block Block instance. |
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* |
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* @return string Returns the next posts link for the query pagination. |
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*/ |
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function gutenberg_render_block_core_query_pagination_next( $attributes, $content, $block ) { |
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$page_key = isset( $block->context['queryId'] ) ? 'query-' . $block->context['queryId'] . '-page' : 'query-page'; |
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$page = empty( $_GET[ $page_key ] ) ? 1 : (int) $_GET[ $page_key ]; |
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$max_page = isset( $block->context['query']['pages'] ) ? (int) $block->context['query']['pages'] : 0; |
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|
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$wrapper_attributes = get_block_wrapper_attributes(); |
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$default_label = __( 'Next Page' ); |
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$label = isset( $attributes['label'] ) && ! empty( $attributes['label'] ) ? esc_html( $attributes['label'] ) : $default_label; |
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$pagination_arrow = get_query_pagination_arrow( $block, true ); |
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|
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if ( $pagination_arrow ) { |
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$label .= $pagination_arrow; |
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} |
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$content = ''; |
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|
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// Check if the pagination is for Query that inherits the global context. |
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if ( isset( $block->context['query']['inherit'] ) && $block->context['query']['inherit'] ) { |
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$filter_link_attributes = function() use ( $wrapper_attributes ) { |
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return $wrapper_attributes; |
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}; |
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add_filter( 'next_posts_link_attributes', $filter_link_attributes ); |
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// Take into account if we have set a bigger `max page` |
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// than what the query has. |
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global $wp_query; |
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if ( $max_page > $wp_query->max_num_pages ) { |
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$max_page = $wp_query->max_num_pages; |
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} |
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$content = get_next_posts_link( $label, $max_page ); |
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remove_filter( 'next_posts_link_attributes', $filter_link_attributes ); |
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} elseif ( ! $max_page || $max_page > $page ) { |
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$custom_query = new WP_Query( gutenberg_build_query_vars_from_query_block( $block, $page ) ); |
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$custom_query_max_pages = (int) $custom_query->max_num_pages; |
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if ( $custom_query_max_pages && $custom_query_max_pages !== $page ) { |
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$content = sprintf( |
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'<a href="%1$s" %2$s>%3$s</a>', |
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esc_url( add_query_arg( $page_key, $page + 1 ) ), |
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$wrapper_attributes, |
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$label |
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); |
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} |
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wp_reset_postdata(); // Restore original Post Data. |
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} |
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return $content; |
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} |
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|
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/** |
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* Registers the `core/query-pagination-next` block on the server. |
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*/ |
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function gutenberg_register_block_core_query_pagination_next() { |
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register_block_type_from_metadata( |
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__DIR__ . '/query-pagination-next', |
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array( |
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'render_callback' => 'gutenberg_render_block_core_query_pagination_next', |
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) |
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); |
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} |
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add_action( 'init', 'gutenberg_register_block_core_query_pagination_next', 20 ); |
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|
