bbp_has_replies( mixed $args = '' )

function bbp_has_replies( $args = '' ) {
	global $wp_rewrite;

	/** Defaults **************************************************************/

	// Other defaults
	$default_reply_search   = !empty( $_REQUEST['rs'] ) ? $_REQUEST['rs']    : false;
	$default_post_parent    = ( bbp_is_single_topic() ) ? bbp_get_topic_id() : 'any';
	$default_post_type      = ( bbp_is_single_topic() && bbp_show_lead_topic() ) ? bbp_get_reply_post_type() : array( bbp_get_topic_post_type(), bbp_get_reply_post_type() );
	$default_thread_replies = (bool) ( bbp_is_single_topic() && bbp_thread_replies() );

	// Default query args
	$default = array(
		'post_type'           => $default_post_type,         // Only replies
		'post_parent'         => $default_post_parent,       // Of this topic
		'posts_per_page'      => bbp_get_replies_per_page(), // This many
		'paged'               => bbp_get_paged(),            // On this page
		'orderby'             => 'date',                     // Sorted by date
		'order'               => 'ASC',                      // Oldest to newest
		'hierarchical'        => $default_thread_replies,    // Hierarchical replies
		'ignore_sticky_posts' => true,                       // Stickies not supported
		's'                   => $default_reply_search,      // Maybe search
	);

	// What are the default allowed statuses (based on user caps)
	if ( bbp_get_view_all() ) {

		// Default view=all statuses
		$post_statuses = array(
			bbp_get_public_status_id(),
			bbp_get_closed_status_id(),
			bbp_get_spam_status_id(),
			bbp_get_trash_status_id()
		);

		// Add support for private status
		if ( current_user_can( 'read_private_replies' ) ) {
			$post_statuses[] = bbp_get_private_status_id();
		}

		// Join post statuses together
		$default['post_status'] = implode( ',', $post_statuses );

	// Lean on the 'perm' query var value of 'readable' to provide statuses
	} else {
		$default['perm'] = 'readable';
	}

	/** Setup *****************************************************************/

	// Parse arguments against default values
	$r = bbp_parse_args( $args, $default, 'has_replies' );

	// Set posts_per_page value if replies are threaded
	$replies_per_page = $r['posts_per_page'];
	if ( true === $r['hierarchical'] ) {
		$r['posts_per_page'] = -1;
	}

	// Get Forums
	$bbp = bbpress();

	// Call the query
	$bbp->reply_query = new WP_Query( $r );

	// Add pagination values to query object
	$bbp->reply_query->posts_per_page = $replies_per_page;
	$bbp->reply_query->paged          = $r['paged'];

	// Never home, regardless of what parse_query says
	$bbp->reply_query->is_home        = false;

	// Reset is_single if single topic
	if ( bbp_is_single_topic() ) {
		$bbp->reply_query->is_single = true;
	}

	// Only add reply to if query returned results
	if ( (int) $bbp->reply_query->found_posts ) {

		// Get reply to for each reply
		foreach ( $bbp->reply_query->posts as &$post ) {

			// Check for reply post type
			if ( bbp_get_reply_post_type() === $post->post_type ) {
				$reply_to = bbp_get_reply_to( $post->ID );

				// Make sure it's a reply to a reply
				if ( empty( $reply_to ) || ( bbp_get_reply_topic_id( $post->ID ) === $reply_to ) ) {
					$reply_to = 0;
				}

				// Add reply_to to the post object so we can walk it later
				$post->reply_to = $reply_to;
			}
		}
	}

	// Only add pagination if query returned results
	if ( (int) $bbp->reply_query->found_posts && (int) $bbp->reply_query->posts_per_page ) {

		// If pretty permalinks are enabled, make our pagination pretty
		if ( $wp_rewrite->using_permalinks() ) {

			// User's replies
			if ( bbp_is_single_user_replies() ) {
				$base = bbp_get_user_replies_created_url( bbp_get_displayed_user_id() );

			// Root profile page
			} elseif ( bbp_is_single_user() ) {
				$base = bbp_get_user_profile_url( bbp_get_displayed_user_id() );

			// Page or single post
			} elseif ( is_page() || is_single() ) {
				$base = get_permalink();

			// Single topic
			} else {
				$base = get_permalink( bbp_get_topic_id() );
			}

			$base = trailingslashit( $base ) . user_trailingslashit( $wp_rewrite->pagination_base . '/%#%/' );

		// Unpretty permalinks
		} else {
			$base = add_query_arg( 'paged', '%#%' );
		}

		// Figure out total pages
		if ( true === $r['hierarchical'] ) {
			$walker      = new BBP_Walker_Reply;
			$total_pages = ceil( (int) $walker->get_number_of_root_elements( $bbp->reply_query->posts ) / (int) $replies_per_page );
		} else {
			$total_pages = ceil( (int) $bbp->reply_query->found_posts / (int) $replies_per_page );

			// Add pagination to query object
			$bbp->reply_query->pagination_links = paginate_links( apply_filters( 'bbp_replies_pagination', array(
				'base'      => $base,
				'format'    => '',
				'total'     => $total_pages,
				'current'   => (int) $bbp->reply_query->paged,
				'prev_text' => is_rtl() ? '→' : '←',
				'next_text' => is_rtl() ? '←' : '→',
				'mid_size'  => 1,
				'add_args'  => ( bbp_get_view_all() ) ? array( 'view' => 'all' ) : false
			) ) );

			// Remove first page from pagination
			if ( $wp_rewrite->using_permalinks() ) {
				$bbp->reply_query->pagination_links = str_replace( $wp_rewrite->pagination_base . '/1/', '', $bbp->reply_query->pagination_links );
			} else {
				$bbp->reply_query->pagination_links = str_replace( '&paged=1', '', $bbp->reply_query->pagination_links );
			}
		}
	}

	// Return object
	return apply_filters( 'bbp_has_replies', $bbp->reply_query->have_posts(), $bbp->reply_query );
}