wp/wp-includes/blocks/comments-pagination-next.php
changeset 19 3d72ae0968f4
child 21 48c4eec2b7e6
equal deleted inserted replaced
18:be944660c56a 19:3d72ae0968f4
       
     1 <?php
       
     2 /**
       
     3  * Server-side rendering of the `core/comments-pagination-next` block.
       
     4  *
       
     5  * @package WordPress
       
     6  */
       
     7 
       
     8 /**
       
     9  * Renders the `core/comments-pagination-next` 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 next comments link for the query pagination.
       
    16  */
       
    17 function render_block_core_comments_pagination_next( $attributes, $content, $block ) {
       
    18 	// Bail out early if the post ID is not set for some reason.
       
    19 	if ( empty( $block->context['postId'] ) ) {
       
    20 		return '';
       
    21 	}
       
    22 
       
    23 	$comment_vars     = build_comment_query_vars_from_block( $block );
       
    24 	$max_page         = ( new WP_Comment_Query( $comment_vars ) )->max_num_pages;
       
    25 	$default_label    = __( 'Newer Comments' );
       
    26 	$label            = isset( $attributes['label'] ) && ! empty( $attributes['label'] ) ? $attributes['label'] : $default_label;
       
    27 	$pagination_arrow = get_comments_pagination_arrow( $block, 'next' );
       
    28 
       
    29 	$filter_link_attributes = function() {
       
    30 		return get_block_wrapper_attributes();
       
    31 	};
       
    32 	add_filter( 'next_comments_link_attributes', $filter_link_attributes );
       
    33 
       
    34 	if ( $pagination_arrow ) {
       
    35 		$label .= $pagination_arrow;
       
    36 	}
       
    37 
       
    38 	$next_comments_link = get_next_comments_link( $label, $max_page );
       
    39 
       
    40 	remove_filter( 'next_posts_link_attributes', $filter_link_attributes );
       
    41 
       
    42 	if ( ! isset( $next_comments_link ) ) {
       
    43 		return '';
       
    44 	}
       
    45 	return $next_comments_link;
       
    46 }
       
    47 
       
    48 
       
    49 /**
       
    50  * Registers the `core/comments-pagination-next` block on the server.
       
    51  */
       
    52 function register_block_core_comments_pagination_next() {
       
    53 	register_block_type_from_metadata(
       
    54 		__DIR__ . '/comments-pagination-next',
       
    55 		array(
       
    56 			'render_callback' => 'render_block_core_comments_pagination_next',
       
    57 		)
       
    58 	);
       
    59 }
       
    60 add_action( 'init', 'register_block_core_comments_pagination_next' );