WordPress函数get_previous_posts_link()调用同分类“上一页”分页的链接

描述:

调用同分类“上一页”分页的链接

用法:

 <?php get_previous_posts_link( $label ); ?> 

参数:

$label

(string) (可选) 上一页链接文本。

默认值: ‘« Previous Page’

示例:


<?php $prev = get_previous_posts_link();
echo $prev;
?>

源文件:

/**
 * Return the previous posts page link.
 *
 * @since 2.7.0
 *
 * @global int $paged
 *
 * @param string $label Optional. Previous page link text.
 * @return string|void HTML-formatted previous page link.
 */
function get_previous_posts_link( $label = null ) {
	global $paged;

	if ( null === $label )
		$label = __( '« Previous Page' );

	if ( !is_single() && $paged > 1 ) {
		/**
		 * Filter the anchor tag attributes for the previous posts page link.
		 *
		 * @since 2.7.0
		 *
		 * @param string $attributes Attributes for the anchor tag.
		 */
		$attr = apply_filters( 'previous_posts_link_attributes', '' );
		return '". preg_replace( '/&([^#])(?![a-z]{1,8};)/i', '&$1', $label ) .'';
	}
}