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<?php /** * Server-side rendering of the `core/comments` block. * * @package WordPress */ /** * Renders the `core/comments` block on the server. * * This render callback is mainly for rendering a dynamic, legacy version of * this block (the old `core/post-comments`). It uses the `comments_template()` * function to generate the output, in the same way as classic PHP themes. * * As this callback will always run during SSR, first we need to check whether * the block is in legacy mode. If not, the HTML generated in the editor is * returned instead. * * @since 6.1.0 * * @global WP_Post $post Global post object. * * @param array $attributes Block attributes. * @param string $content Block default content. * @param WP_Block $block Block instance. * @return string Returns the filtered post comments for the current post wrapped inside "p" tags. */ function render_block_core_comments( $attributes, $content, $block ) { global $post; if ( ! isset( $block->context['postId'] ) ) { return ''; } $post_id = $block->context['postId']; // Return early if there are no comments and comments are closed. if ( ! comments_open( $post_id ) && (int) get_comments_number( $post_id ) === 0 ) { return ''; } // If this isn't the legacy block, we need to render the static version of this block. $is_legacy = 'core/post-comments' === $block->name || ! empty( $attributes['legacy'] ); if ( ! $is_legacy ) { return $block->render( array( 'dynamic' => false ) ); } $post_before = $post; $post = get_post( $post_id ); setup_postdata( $post ); ob_start(); /* * There's a deprecation warning generated by WP Core. * Ideally this deprecation is removed from Core. * In the meantime, this removes it from the output. */ add_filter( 'deprecated_file_trigger_error', '__return_false' ); comments_template(); remove_filter( 'deprecated_file_trigger_error', '__return_false' ); $output = ob_get_clean(); $post = $post_before; $classnames = array(); // Adds the old class name for styles' backwards compatibility. if ( isset( $attributes['legacy'] ) ) { $classnames[] = 'wp-block-post-comments'; } if ( isset( $attributes['textAlign'] ) ) { $classnames[] = 'has-text-align-' . $attributes['textAlign']; } $wrapper_attributes = get_block_wrapper_attributes( array( 'class' => implode( ' ', $classnames ) ) ); /* * Enqueues scripts and styles required only for the legacy version. That is * why they are not defined in `block.json`. */ wp_enqueue_script( 'comment-reply' ); enqueue_legacy_post_comments_block_styles( $block->name ); return sprintf( '<div %1$s>%2$s</div>', $wrapper_attributes, $output ); } /** * Registers the `core/comments` block on the server. * * @since 6.1.0 */ function register_block_core_comments() { register_block_type_from_metadata( __DIR__ . '/comments', array( 'render_callback' => 'render_block_core_comments', 'skip_inner_blocks' => true, ) ); } add_action( 'init', 'register_block_core_comments' ); /** * Use the button block classes for the form-submit button. * * @since 6.1.0 * * @param array $fields The default comment form arguments. * * @return array Returns the modified fields. */ function comments_block_form_defaults( $fields ) { if ( wp_is_block_theme() ) { $fields['submit_button'] = '<input name="%1$s" type="submit" id="%2$s" class="%3$s wp-block-button__link ' . wp_theme_get_element_class_name( 'button' ) . '" value="%4$s" />'; $fields['submit_field'] = '<p class="form-submit wp-block-button">%1$s %2$s</p>'; } return $fields; } add_filter( 'comment_form_defaults', 'comments_block_form_defaults' ); /** * Enqueues styles from the legacy `core/post-comments` block. These styles are * required only by the block's fallback. * * @since 6.1.0 * * @param string $block_name Name of the new block type. */ function enqueue_legacy_post_comments_block_styles( $block_name ) { static $are_styles_enqueued = false; if ( ! $are_styles_enqueued ) { $handles = array( 'wp-block-post-comments', 'wp-block-buttons', 'wp-block-button', ); foreach ( $handles as $handle ) { wp_enqueue_block_style( $block_name, array( 'handle' => $handle ) ); } $are_styles_enqueued = true; } } /** * Ensures backwards compatibility for any users running the Gutenberg plugin * who have used Post Comments before it was merged into Comments Query Loop. * * The same approach was followed when core/query-loop was renamed to * core/post-template. * * @since 6.1.0 * * @see https://github.com/WordPress/gutenberg/pull/41807 * @see https://github.com/WordPress/gutenberg/pull/32514 */ function register_legacy_post_comments_block() { $registry = WP_Block_Type_Registry::get_instance(); /* * Remove the old `post-comments` block if it was already registered, as it * is about to be replaced by the type defined below. */ if ( $registry->is_registered( 'core/post-comments' ) ) { unregister_block_type( 'core/post-comments' ); } // Recreate the legacy block metadata. $metadata = array( 'name' => 'core/post-comments', 'category' => 'theme', 'attributes' => array( 'textAlign' => array( 'type' => 'string', ), ), 'uses_context' => array( 'postId', 'postType', ), 'supports' => array( 'html' => false, 'align' => array( 'wide', 'full' ), 'typography' => array( 'fontSize' => true, 'lineHeight' => true, '__experimentalFontStyle' => true, '__experimentalFontWeight' => true, '__experimentalLetterSpacing' => true, '__experimentalTextTransform' => true, '__experimentalDefaultControls' => array( 'fontSize' => true, ), ), 'color' => array( 'gradients' => true, 'link' => true, '__experimentalDefaultControls' => array( 'background' => true, 'text' => true, ), ), 'inserter' => false, ), 'style' => array( 'wp-block-post-comments', 'wp-block-buttons', 'wp-block-button', ), 'render_callback' => 'render_block_core_comments', 'skip_inner_blocks' => true, ); /* * Filters the metadata object, the same way it's done inside * `register_block_type_from_metadata()`. This applies some default filters, * like `_wp_multiple_block_styles`, which is required in this case because * the block has multiple styles. */ /** This filter is documented in wp-includes/blocks.php */ $metadata = apply_filters( 'block_type_metadata', $metadata ); register_block_type( 'core/post-comments', $metadata ); } add_action( 'init', 'register_legacy_post_comments_block', 21 );
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[-] query-no-results.php
[open]
[-] calendar.php
[open]
[-] comments-pagination-numbers.php
[open]
[+]
paragraph
[+]
post-comments-count
[-] site-title.php
[open]
[+]
widget-group
[-] page-list-item.php
[open]
[+]
site-logo
[-] post-content.php
[open]
[+]
tag-cloud
[+]
categories
[+]
text-columns
[-] legacy-widget.php
[open]
[-] query-pagination-numbers.php
[open]
[-] image.php
[open]
[+]
more
[+]
spacer
[-] list.php
[open]
[+]
post-date
[-] post-comments-link.php
[open]
[+]
page-list-item
[+]
post-author-name
[+]
heading
[-] comments-pagination.php
[open]
[-] gallery.php
[open]
[-] accordion.php
[open]
[-] latest-comments.php
[open]
[+]
loginout
[-] home-link.php
[open]
[+]
query-no-results
[+]
site-title
[+]
math
[+]
post-title
[+]
read-more
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latest-posts
[-] read-more.php
[open]
[-] post-comments-form.php
[open]
[-] page-list.php
[open]
[+]
table
[+]
comments-title
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post-author
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home-link
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comment-author-name
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post-terms
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freeform
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query-pagination-previous
[-] post-date.php
[open]
[+]
post-comments-link
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comment-reply-link
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columns
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post-time-to-read
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post-content
[-] comment-template.php
[open]
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comments-pagination-previous
[-] pattern.php
[open]
[-] accordion-item.php
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[-] site-logo.php
[open]
[-] comments-pagination-previous.php
[open]
[+]
details
[-] archives.php
[open]
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terms-query
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block
[-] widget-group.php
[open]
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accordion-panel
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list-item
[-] post-author.php
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[-] term-name.php
[open]
[-] heading.php
[open]
[-] query-title.php
[open]
[-] latest-posts.php
[open]
[+]
latest-comments
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nextpage
[-] search.php
[open]
[-] blocks-json.php
[open]
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pattern
[-] query-pagination-next.php
[open]
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pullquote
[-] site-tagline.php
[open]
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gallery
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code
[-] post-author-biography.php
[open]
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list
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file
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post-comments-form
[-] navigation-submenu.php
[open]
[-] file.php
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button
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media-text
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accordion
[-] button.php
[open]
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term-template
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preformatted
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query-total
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accordion-item
[-] index.php
[open]
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legacy-widget
[-] media-text.php
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image
[-] term-description.php
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post-excerpt
[-] navigation.php
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audio
[-] comment-content.php
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quote
[-] tag-cloud.php
[open]
[-] query.php
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post-author-biography
[-] avatar.php
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[-] post-featured-image.php
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[+]
comments
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missing
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query
[-] categories.php
[open]
[+]
shortcode
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verse
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comments-pagination-numbers
[-] social-link.php
[open]
[-] comment-date.php
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social-link
[-] comments.php
[open]
[-] require-dynamic-blocks.php
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[-] post-template.php
[open]
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rss
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comments-pagination-next
[-] comments-pagination-next.php
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accordion-heading
[-] video.php
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archives
[-] footnotes.php
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post-navigation-link
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html
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comment-date
[-] block.php
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[-] require-static-blocks.php
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social-links
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query-pagination-next
[-] term-template.php
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[-] post-author-name.php
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comment-edit-link
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video
[-] navigation-link.php
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term-count
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query-pagination
[-] comment-edit-link.php
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navigation-submenu
[-] post-title.php
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[-] post-terms.php
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column
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post-featured-image
[-] template-part.php
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navigation-link
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comments-pagination
[-] post-time-to-read.php
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[-] cover.php
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query-pagination-numbers
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embed
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footnotes
[-] rss.php
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comment-content
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separator
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cover
[-] comments-title.php
[open]
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page-list
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template-part
[-] comment-author-name.php
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[-] term-count.php
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term-name
[-] loginout.php
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query-title
[-] post-navigation-link.php
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[-] post-comments-count.php
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site-tagline
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navigation
[-] query-total.php
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term-description
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post-template
[-] post-excerpt.php
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[-] query-pagination-previous.php
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buttons
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avatar
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calendar
[-] query-pagination.php
[open]
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group
[-] comment-reply-link.php
[open]
[-] shortcode.php
[open]
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search
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comment-template