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get_the_post_thumbnail_caption › WordPress Function

Since4.6.0
已弃用n/a
› get_the_post_thumbnail_caption ( $post = null )
参数:
  • (int|WP_Post) $post Optional. Post ID or WP_Post object. Default is global `$post`.
    Required: No
    默认: null
返回:
  • (string) Post thumbnail caption.
定义在:
文档:

Returns the post thumbnail caption.



Related Functions: the_post_thumbnail_caption, get_the_post_thumbnail, get_the_post_thumbnail_url, get_the_post_navigation, get_the_posts_navigation

源码 

function get_the_post_thumbnail_caption( $post = null ) {
	$post_thumbnail_id = get_post_thumbnail_id( $post );

	if ( ! $post_thumbnail_id ) {
		return '';
	}

	$caption = wp_get_attachment_caption( $post_thumbnail_id );

	if ( ! $caption ) {
		$caption = '';
	}

	return $caption;
}