
如何在不同操作系统上安装phpMyAdmin
wp_get_attachment_thumb_url ( $post_id = 0 )
wp_get_attachment_thumb_url: 这个函数检索附件的缩略图的URL。它接受附件ID作为参数,并返回缩略图的URL。
检索附件缩略图的URL。
function wp_get_attachment_thumb_url( $post_id = 0 ) { $post_id = (int) $post_id; // This uses image_downsize() which also looks for the (very) old format $image_meta['thumb'] // when the newer format $image_meta['sizes']['thumbnail'] doesn't exist. $thumbnail_url = wp_get_attachment_image_url( $post_id, 'thumbnail' ); if ( empty( $thumbnail_url ) ) { return false; } /** * Filters the attachment thumbnail URL. * * @since 2.1.0 * * @param string $thumbnail_url URL for the attachment thumbnail. * @param int $post_id Attachment ID. */ return apply_filters( 'wp_get_attachment_thumb_url', $thumbnail_url, $post_id ); }