wp_get_attachment_thumb_url

函数
wp_get_attachment_thumb_url ( $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) Thumbnail URL on success, false on failure.
定义位置
相关方法
wp_get_attachment_thumb_filewp_get_attachment_urlwp_get_attachment_image_urlwp_get_attachment_linkwp_get_attachment_image_src
引入
2.1.0
弃用
-

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。

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EnlighterJS 3 Syntax Highlighter
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 );
}
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 ); }
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 );
}

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