<?php
/**
* Server-side rendering of the `core/comments-pagination-previous` block.
*
* @package WordPress
*/
/**
* Renders the `core/comments-pagination-previous` block on the server.
*
* @param array $attributes Block attributes.
* @param string $content Block default content.
* @param WP_Block $block Block instance.
*
* @return string Returns the previous posts link for the comments pagination.
*/
function render_block_core_comments_pagination_previous( $attributes, $content, $block ) {
$default_label = __( 'Older Comments' );
$label = isset( $attributes['label'] ) && ! empty( $attributes['label'] ) ? $attributes['label'] : $default_label;
$pagination_arrow = get_comments_pagination_arrow( $block, 'previous' );
if ( $pagination_arrow ) {
$label = $pagination_arrow . $label;
}
$filter_link_attributes = function() {
return get_block_wrapper_attributes();
};
add_filter( 'previous_comments_link_attributes', $filter_link_attributes );
$previous_comments_link = get_previous_comments_link( $label );
remove_filter( 'previous_comments_link_attributes', $filter_link_attributes );
if ( ! isset( $previous_comments_link ) ) {
return '';
}
return $previous_comments_link;
}
/**
* Registers the `core/comments-pagination-previous` block on the server.
*/
function register_block_core_comments_pagination_previous() {
register_block_type_from_metadata(
__DIR__ . '/comments-pagination-previous',
array(
'render_callback' => 'render_block_core_comments_pagination_previous',
)
);
}
add_action( 'init', 'register_block_core_comments_pagination_previous' );