<?php

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/**

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* Server-side rendering of the `core/comments-pagination-numbers` block.

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*

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* @package WordPress

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*/

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/**

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* Renders the `core/comments-pagination-numbers` block on the server.

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*

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* @since 6.0.0

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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 pagination numbers for the comments.

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*/

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function render_block_core_comments_pagination_numbers( $attributes, $content, $block ) {

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// Bail out early if the post ID is not set for some reason.

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if ( empty( $block->context['postId'] ) ) {

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return '';

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}

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$comment_vars = build_comment_query_vars_from_block( $block );

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$total = ( new WP_Comment_Query( $comment_vars ) )->max_num_pages;

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$current = ! empty( $comment_vars['paged'] ) ? $comment_vars['paged'] : null;

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// Render links.

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$content = paginate_comments_links(

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array(

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'total' => $total,

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'current' => $current,

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'prev_next' => false,

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'echo' => false,

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)

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);

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if ( empty( $content ) ) {

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return '';

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}

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$wrapper_attributes = get_block_wrapper_attributes();

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return sprintf(

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'<div %1$s>%2$s</div>',

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$wrapper_attributes,

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$content

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);

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}

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/**

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* Registers the `core/comments-pagination-numbers` block on the server.

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*

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* @since 6.0.0

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*/

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function register_block_core_comments_pagination_numbers() {

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register_block_type_from_metadata(

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__DIR__ . '/comments-pagination-numbers',

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array(

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'render_callback' => 'render_block_core_comments_pagination_numbers',

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)

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);

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}

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add_action( 'init', 'register_block_core_comments_pagination_numbers' );

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