apply_filters( ‘comments_template’, string $theme_template )

过滤器：：过滤用于注释模板的主题模板文件的路径。
Filter Hook: Filters the path to the theme template file used for the comments template.

目录锚点：#参数#源码

参数（Parameters）

源码（Source）

/**
 * Load the comment template specified in $file.
 *
 * Will not display the comments template if not on single post or page, or if
 * the post does not have comments.
 *
 * Uses the WordPress database object to query for the comments. The comments
 * are passed through the 'comments_array' filter hook with the list of comments
 * and the post ID respectively.
 *
 * The $file path is passed through a filter hook called, 'comments_template'
 * which includes the TEMPLATEPATH and $file combined. Tries the $filtered path
 * first and if it fails it will require the default comment template from the
 * default theme. If either does not exist, then the WordPress process will be
 * halted. It is advised for that reason, that the default theme is not deleted.
 *
 * @uses $withcomments Will not try to get the comments if the post has none.
 *
 * @since 1.5.0
 *
 * @global WP_Query $wp_query
 * @global WP_Post  $post
 * @global wpdb     $wpdb
 * @global int      $id
 * @global object   $comment
 * @global string   $user_login
 * @global int      $user_ID
 * @global string   $user_identity
 * @global bool     $overridden_cpage
 *
 * @param string $file              Optional. The file to load. Default '/comments.php'.
 * @param bool   $separate_comments Optional. Whether to separate the comments by comment type.
 *                                  Default false.
 */
function comments_template( $file = '/comments.php', $separate_comments = false ) {
	global $wp_query, $withcomments, $post, $wpdb, $id, $comment, $user_login, $user_ID, $user_identity, $overridden_cpage;

	if ( !(is_single() || is_page() || $withcomments) || empty($post) )
		return;

	if ( empty($file) )
		$file = '/comments.php';

	$req = get_option('require_name_email');

	/*
	 * Comment author information fetched from the comment cookies.
	 */
	$commenter = wp_get_current_commenter();

	/*
	 * The name of the current comment author escaped for use in attributes.
	 * Escaped by sanitize_comment_cookies().
	 */
	$comment_author = $commenter['comment_author'];

	/*
	 * The email address of the current comment author escaped for use in attributes.
	 * Escaped by sanitize_comment_cookies().
	 */
	$comment_author_email = $commenter['comment_author_email'];

	/*
	 * The url of the current comment author escaped for use in attributes.
	 */
	$comment_author_url = esc_url($commenter['comment_author_url']);

	$comment_args = array(
		'order'   => 'ASC',
		'orderby' => 'comment_date_gmt',
		'status'  => 'approve',
		'post_id' => $post->ID,
	);

	if ( $user_ID ) {
		$comment_args['include_unapproved'] = array( $user_ID );
	} elseif ( ! empty( $comment_author_email ) ) {
		$comment_args['include_unapproved'] = array( $comment_author_email );
	}

	$comments = get_comments( $comment_args );

	/**
	 * Filter the comments array.
	 *
	 * @since 2.1.0
	 *
	 * @param array $comments Array of comments supplied to the comments template.
	 * @param int   $post_ID  Post ID.
	 */
	$wp_query->comments = apply_filters( 'comments_array', $comments, $post->ID );
	$comments = &$wp_query->comments;
	$wp_query->comment_count = count($wp_query->comments);

	if ( $separate_comments ) {
		$wp_query->comments_by_type = separate_comments($comments);
		$comments_by_type = &$wp_query->comments_by_type;
	}

	$overridden_cpage = false;
	if ( '' == get_query_var('cpage') && get_option('page_comments') ) {
		set_query_var( 'cpage', 'newest' == get_option('default_comments_page') ? get_comment_pages_count() : 1 );
		$overridden_cpage = true;
	}

	if ( !defined('COMMENTS_TEMPLATE') )
		define('COMMENTS_TEMPLATE', true);

	$theme_template = STYLESHEETPATH . $file;
	/**
	 * Filter the path to the theme template file used for the comments template.
	 *
	 * @since 1.5.1
	 *
	 * @param string $theme_template The path to the theme template file.
	 */
	$include = apply_filters( 'comments_template', $theme_template );
	if ( file_exists( $include ) )
		require( $include );
	elseif ( file_exists( TEMPLATEPATH . $file ) )
		require( TEMPLATEPATH . $file );
	else // Backward compat code will be removed in a future release
		require( ABSPATH . WPINC . '/theme-compat/comments.php');
}