
关于WordPress文件及其使用方法的综合指南
wp_get_attachment_caption ( $post_id = 0 )
Retrieves the caption for an attachment.
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 ); }