wp_list_comments( string|array $args = array(), WP_Comment[] $comments = null )

显示注释列表。
Displays a list of comments.

目录锚点：#说明#源码#笔记

说明（Description）

用于评论.php列出特定帖子的评论的模板。另请参见#另请参阅WP_Query->注释

源码（Source）

/**
 * List comments.
 *
 * Used in the comments.php template to list comments for a particular post.
 *
 * @since 2.7.0
 *
 * @see WP_Query->comments
 *
 * @global WP_Query $wp_query
 * @global int      $comment_alt
 * @global int      $comment_depth
 * @global int      $comment_thread_alt
 * @global bool     $overridden_cpage
 * @global bool     $in_comment_loop
 *
 * @param string|array $args {
 *     Optional. Formatting options.
 *
 *     @type object $walker            Instance of a Walker class to list comments. Default null.
 *     @type int    $max_depth         The maximum comments depth. Default empty.
 *     @type string $style             The style of list ordering. Default 'ul'. Accepts 'ul', 'ol'.
 *     @type string $callback          Callback function to use. Default null.
 *     @type string $end-callback      Callback function to use at the end. Default null.
 *     @type string $type              Type of comments to list.
 *                                     Default 'all'. Accepts 'all', 'comment', 'pingback', 'trackback', 'pings'.
 *     @type int    $page              Page ID to list comments for. Default empty.
 *     @type int    $per_page          Number of comments to list per page. Default empty.
 *     @type int    $avatar_size       Height and width dimensions of the avatar size. Default 32.
 *     @type string $reverse_top_level Ordering of the listed comments. Default null. Accepts 'desc', 'asc'.
 *     @type bool   $reverse_children  Whether to reverse child comments in the list. Default null.
 *     @type string $format            How to format the comments list.
 *                                     Default 'html5' if the theme supports it. Accepts 'html5', 'xhtml'.
 *     @type bool   $short_ping        Whether to output short pings. Default false.
 *     @type bool   $echo              Whether to echo the output or return it. Default true.
 * }
 * @param array $comments Optional. Array of comment objects.
 */
function wp_list_comments( $args = array(), $comments = null ) {
	global $wp_query, $comment_alt, $comment_depth, $comment_thread_alt, $overridden_cpage, $in_comment_loop;

	$in_comment_loop = true;

	$comment_alt = $comment_thread_alt = 0;
	$comment_depth = 1;

	$defaults = array(
		'walker'            => null,
		'max_depth'         => '',
		'style'             => 'ul',
		'callback'          => null,
		'end-callback'      => null,
		'type'              => 'all',
		'page'              => '',
		'per_page'          => '',
		'avatar_size'       => 32,
		'reverse_top_level' => null,
		'reverse_children'  => '',
		'format'            => current_theme_supports( 'html5', 'comment-list' ) ? 'html5' : 'xhtml',
		'short_ping'        => false,
		'echo'              => true,
	);

	$r = wp_parse_args( $args, $defaults );

	/**
	 * Filter the arguments used in retrieving the comment list.
	 *
	 * @since 4.0.0
	 *
	 * @see wp_list_comments()
	 *
	 * @param array $r An array of arguments for displaying comments.
	 */
	$r = apply_filters( 'wp_list_comments_args', $r );

	// Figure out what comments we'll be looping through ($_comments)
	if ( null !== $comments ) {
		$comments = (array) $comments;
		if ( empty($comments) )
			return;
		if ( 'all' != $r['type'] ) {
			$comments_by_type = separate_comments($comments);
			if ( empty($comments_by_type[$r['type']]) )
				return;
			$_comments = $comments_by_type[$r['type']];
		} else {
			$_comments = $comments;
		}
	} else {
		if ( empty($wp_query->comments) )
			return;
		if ( 'all' != $r['type'] ) {
			if ( empty($wp_query->comments_by_type) )
				$wp_query->comments_by_type = separate_comments($wp_query->comments);
			if ( empty($wp_query->comments_by_type[$r['type']]) )
				return;
			$_comments = $wp_query->comments_by_type[$r['type']];
		} else {
			$_comments = $wp_query->comments;
		}
	}

	if ( '' === $r['per_page'] && get_option('page_comments') )
		$r['per_page'] = get_query_var('comments_per_page');

	if ( empty($r['per_page']) ) {
		$r['per_page'] = 0;
		$r['page'] = 0;
	}

	if ( '' === $r['max_depth'] ) {
		if ( get_option('thread_comments') )
			$r['max_depth'] = get_option('thread_comments_depth');
		else
			$r['max_depth'] = -1;
	}

	if ( '' === $r['page'] ) {
		if ( empty($overridden_cpage) ) {
			$r['page'] = get_query_var('cpage');
		} else {
			$threaded = ( -1 != $r['max_depth'] );
			$r['page'] = ( 'newest' == get_option('default_comments_page') ) ? get_comment_pages_count($_comments, $r['per_page'], $threaded) : 1;
			set_query_var( 'cpage', $r['page'] );
		}
	}
	// Validation check
	$r['page'] = intval($r['page']);
	if ( 0 == $r['page'] && 0 != $r['per_page'] )
		$r['page'] = 1;

	if ( null === $r['reverse_top_level'] )
		$r['reverse_top_level'] = ( 'desc' == get_option('comment_order') );

	if ( empty( $r['walker'] ) ) {
		$walker = new Walker_Comment;
	} else {
		$walker = $r['walker'];
	}

	$output = $walker->paged_walk( $_comments, $r['max_depth'], $r['page'], $r['per_page'], $r );
	$wp_query->max_num_comment_pages = $walker->max_pages;

	$in_comment_loop = false;

	if ( $r['echo'] ) {
		echo $output;
	} else {
		return $output;
	}
}

笔记（Notes）

如果您使用的是WordPress4.9.6或更高版本，并且没有显示“评论正在等待审核”警报。