<?php 
/** 
 * Server-side rendering of the `core/comments-title` block. 
 * 
 * @package WordPress 
 */ 
 
/** 
 * Renders the `core/comments-title` block on the server. 
 * 
 * @since 6.0.0 
 * 
 * @param array $attributes Block attributes. 
 * 
 * @return string Return the post comments title. 
 */ 
function render_block_core_comments_title( $attributes ) { 
 
    if ( post_password_required() ) { 
        return; 
    } 
 
    $align_class_name    = empty( $attributes['textAlign'] ) ? '' : "has-text-align-{$attributes['textAlign']}"; 
    $show_post_title     = ! empty( $attributes['showPostTitle'] ) && $attributes['showPostTitle']; 
    $show_comments_count = ! empty( $attributes['showCommentsCount'] ) && $attributes['showCommentsCount']; 
    $wrapper_attributes  = get_block_wrapper_attributes( array( 'class' => $align_class_name ) ); 
    $comments_count      = get_comments_number(); 
    /* translators: %s: Post title. */ 
    $post_title = sprintf( __( '“%s”' ), get_the_title() ); 
    $tag_name   = 'h2'; 
    if ( isset( $attributes['level'] ) ) { 
        $tag_name = 'h' . $attributes['level']; 
    } 
 
    if ( '0' === $comments_count ) { 
        return; 
    } 
 
    if ( $show_comments_count ) { 
        if ( $show_post_title ) { 
            if ( '1' === $comments_count ) { 
                /* translators: %s: Post title. */ 
                $comments_title = sprintf( __( 'One response to %s' ), $post_title ); 
            } else { 
                $comments_title = sprintf( 
                    /* translators: 1: Number of comments, 2: Post title. */ 
                    _n( 
                        '%1$s response to %2$s', 
                        '%1$s responses to %2$s', 
                        $comments_count 
                    ), 
                    number_format_i18n( $comments_count ), 
                    $post_title 
                ); 
            } 
        } elseif ( '1' === $comments_count ) { 
            $comments_title = __( 'One response' ); 
        } else { 
            $comments_title = sprintf( 
                /* translators: %s: Number of comments. */ 
                _n( '%s response', '%s responses', $comments_count ), 
                number_format_i18n( $comments_count ) 
            ); 
        } 
    } elseif ( $show_post_title ) { 
        if ( '1' === $comments_count ) { 
            /* translators: %s: Post title. */ 
            $comments_title = sprintf( __( 'Response to %s' ), $post_title ); 
        } else { 
            /* translators: %s: Post title. */ 
            $comments_title = sprintf( __( 'Responses to %s' ), $post_title ); 
        } 
    } elseif ( '1' === $comments_count ) { 
        $comments_title = __( 'Response' ); 
    } else { 
        $comments_title = __( 'Responses' ); 
    } 
 
    return sprintf( 
        '<%1$s id="comments" %2$s>%3$s</%1$s>', 
        $tag_name, 
        $wrapper_attributes, 
        $comments_title 
    ); 
} 
 
/** 
 * Registers the `core/comments-title` block on the server. 
 * 
 * @since 6.0.0 
 */ 
function register_block_core_comments_title() { 
    register_block_type_from_metadata( 
        __DIR__ . '/comments-title', 
        array( 
            'render_callback' => 'render_block_core_comments_title', 
        ) 
    ); 
} 
 
add_action( 'init', 'register_block_core_comments_title' ); 
 
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