检索相邻的帖子链接。

原型

get_adjacent_post_link( string $format, string $link, bool $in_same_term = false, array|string $excluded_terms = '', bool $previous = true, string $taxonomy = 'category' )

描述

可以是下一个帖子链接或之前的链接。

参数

$format (string) (Required) 链接锚格式。

$link (string) (Required) 链接永久链接格式。

$in_same_term (bool) (Optional)  链接是否应该在同一分类术语中。

$excluded_terms (array|string) (Optional)  数组或逗号分隔的排除术语ID列表。

$previous (bool) (Optional)  是否显示上一篇或下一篇文章的链接。

$taxonomy (string) (Optional)  分类法,如果$ in_same_term为真。

返回值

(string)  与当前帖子相关的上一篇或下一篇文章的链接URL。

源文件

路径:wp-includes/link-template.php

<?php
...
function get_adjacent_post_link( $format, $link, $in_same_term = false, $excluded_terms = '', $previous = true, $taxonomy = 'category' ) {
	if ( $previous && is_attachment() )
		$post = get_post( get_post()->post_parent );
	else
		$post = get_adjacent_post( $in_same_term, $excluded_terms, $previous, $taxonomy );
	if ( ! $post ) {
		$output = '';
	} else {
		$title = $post->post_title;
		if ( empty( $post->post_title ) )
			$title = $previous ? __( 'Previous Post' ) : __( 'Next Post' );
		/** This filter is documented in wp-includes/post-template.php */
		$title = apply_filters( 'the_title', $title, $post->ID );
		$date = mysql2date( get_option( 'date_format' ), $post->post_date );
		$rel = $previous ? 'prev' : 'next';
		$string = '<a href="' . get_permalink( $post ) . '" rel="'.$rel.'">';
		$inlink = str_replace( '%title', $title, $link );
		$inlink = str_replace( '%date', $date, $inlink );
		$inlink = $string . $inlink . '</a>';
		$output = str_replace( '%link', $inlink, $format );
	}
	$adjacent = $previous ? 'previous' : 'next';
	/**
	 * Filters the adjacent post link.
	 *
	 * The dynamic portion of the hook name, `$adjacent`, refers to the type
	 * of adjacency, 'next' or 'previous'.
	 *
	 * @since 2.6.0
	 * @since 4.2.0 Added the `$adjacent` parameter.
	 *
	 * @param string  $output   The adjacent post link.
	 * @param string  $format   Link anchor format.
	 * @param string  $link     Link permalink format.
	 * @param WP_Post $post     The adjacent post.
	 * @param string  $adjacent Whether the post is previous or next.
	 */
	return apply_filters( "{$adjacent}_post_link", $output, $format, $link, $post, $adjacent );
}
...
?>

其他

英文文档:https://developer.wordpress.org/reference/functions/get_adjacent_post_link/