wp_get_attachment_caption

函数
wp_get_attachment_caption ( $post_id = 0 )
参数
  • (int) $post_id Optional. Attachment ID. Default is the ID of the global `$post`.
    Required:
返回值
  • (string|false) Attachment caption on success, false on failure.
定义位置
相关方法
wp_get_attachment_linkget_attachment_iconwp_get_attachment_imagewp_get_attachment_urlget_attachment_link
引入
4.6.0
弃用
-

wp_get_attachment_caption: 这个函数返回一个特定附件的标题。

检索一个附件的标题。

function wp_get_attachment_caption( $post_id = 0 ) {
	$post_id = (int) $post_id;
	$post    = get_post( $post_id );

	if ( ! $post ) {
		return false;
	}

	if ( 'attachment' !== $post->post_type ) {
		return false;
	}

	$caption = $post->post_excerpt;

	/**
	 * Filters the attachment caption.
	 *
	 * @since 4.6.0
	 *
	 * @param string $caption Caption for the given attachment.
	 * @param int    $post_id Attachment ID.
	 */
	return apply_filters( 'wp_get_attachment_caption', $caption, $post->ID );
}

常见问题

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