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<?php
/**
* Server-side rendering of the `core/comment-reply-link` block.
*
* @package WordPress
*/
/**
* Renders the `core/comment-reply-link` block on the server.
*
* @param array $attributes Block attributes.
* @param string $content Block default content.
* @param WP_Block $block Block instance.
* @return string Return the post comment's reply link.
*/
function render_block_core_comment_reply_link( $attributes, $content, $block ) {
if ( ! isset( $block->context['commentId'] ) ) {
return '';
}
$thread_comments = get_option( 'thread_comments' );
if ( ! $thread_comments ) {
return '';
}
$comment = get_comment( $block->context['commentId'] );
if ( empty( $comment ) ) {
return '';
}
$depth = 1;
$max_depth = get_option( 'thread_comments_depth' );
$parent_id = $comment->comment_parent;
// Compute comment's depth iterating over its ancestors.
while ( ! empty( $parent_id ) ) {
++$depth;
$parent_id = get_comment( $parent_id )->comment_parent;
}
$comment_reply_link = get_comment_reply_link(
array(
'depth' => $depth,
'max_depth' => $max_depth,
),
$comment
);
// Render nothing if the generated reply link is empty.
if ( empty( $comment_reply_link ) ) {
return;
}
$classes = array();
if ( isset( $attributes['textAlign'] ) ) {
$classes[] = 'has-text-align-' . $attributes['textAlign'];
}
if ( isset( $attributes['style']['elements']['link']['color']['text'] ) ) {
$classes[] = 'has-link-color';
}
$wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classes ) ) );
return sprintf(
'<div %1$s>%2$s</div>',
$wrapper_attributes,
$comment_reply_link
);
}
/**
* Registers the `core/comment-reply-link` block on the server.
*/
function register_block_core_comment_reply_link() {
register_block_type_from_metadata(
__DIR__ . '/comment-reply-link',
array(
'render_callback' => 'render_block_core_comment_reply_link',
)
);
}
add_action( 'init', 'register_block_core_comment_reply_link' );
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