the_post_thumbnail_caption

post_thumbnail_caption是一个WordPress函数，用于显示当前文章或指定文章的特色图像的标题。

显示文章缩略图的标题。

function the_post_thumbnail_caption( $post = null ) {
	/**
	 * Filters the displayed post thumbnail caption.
	 *
	 * @since 4.6.0
	 *
	 * @param string $caption Caption for the given attachment.
	 */
	echo apply_filters( 'the_post_thumbnail_caption', get_the_post_thumbnail_caption( $post ) );
}