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-rw-r--r--wp-includes/blocks/comment-reply-link.php83
1 files changed, 83 insertions, 0 deletions
diff --git a/wp-includes/blocks/comment-reply-link.php b/wp-includes/blocks/comment-reply-link.php
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+++ b/wp-includes/blocks/comment-reply-link.php
@@ -0,0 +1,83 @@
+<?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' );