WordPress/wp-includes/blocks/comments-title.php

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<?php
/**
* Server-side rendering of the `core/comments-title` block.
*
* @package WordPress
*/
/**
* Renders the `core/comments-title` block on the server.
*
* @param array $attributes Block attributes.
*
* @return string Return the post comments title.
*/
function render_block_core_comments_title( $attributes ) {
$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 ) );
$post_title = $show_post_title ? sprintf( '"%1$s"', get_the_title() ) : null;
$comments_count = number_format_i18n( get_comments_number() );
$tag_name = 'h2';
if ( isset( $attributes['level'] ) ) {
$tag_name = 'h' . $attributes['level'];
}
if ( '0' === $comments_count ) {
return;
}
$single_default_comment_label = $show_post_title ? __( 'One response to' ) : __( 'One response' );
$single_comment_label = ! empty( $attributes['singleCommentLabel'] ) ? $attributes['singleCommentLabel'] : $single_default_comment_label;
$multiple_default_comment_label = $show_post_title ? __( 'Responses to' ) : __( 'Responses' );
$multiple_comment_label = ! empty( $attributes['multipleCommentsLabel'] ) ? $attributes['multipleCommentsLabel'] : $multiple_default_comment_label;
$comments_title = '%1$s %2$s %3$s';
$comments_title = sprintf(
$comments_title,
// If there is only one comment, only display the label.
'1' !== $comments_count && $show_comments_count ? $comments_count : null,
'1' === $comments_count ? $single_comment_label : $multiple_comment_label,
$post_title
);
return sprintf(
'<%1$s id="comments" %2$s>%3$s</%1$s>',
$tag_name,
$wrapper_attributes,
$comments_title
);
}
/**
* Registers the `core/comments-title` block on the server.
*/
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' );