wp_get_attachment_link( int|WP_Post $id, string|array $size = ‘thumbnail’, bool $permalink = false, bool $icon = false, string|false $text = false, array|string $attr = ” )

如果可能，请使用图像或图标检索附件页面链接。
Retrieve an attachment page link using an image or icon, if possible.

目录锚点：#参数#源码#笔记

参数（Parameters）

源码（Source）

/**
 * Retrieve an attachment page link using an image or icon, if possible.
 *
 * @since 2.5.0
 *
 * @param int|WP_Post  $id        Optional. Post ID or post object.
 * @param string       $size      Optional, default is 'thumbnail'. Size of image, either array or string.
 * @param bool         $permalink Optional, default is false. Whether to add permalink to image.
 * @param bool         $icon      Optional, default is false. Whether to include icon.
 * @param string|bool  $text      Optional, default is false. If string, then will be link text.
 * @param array|string $attr      Optional. Array or string of attributes.
 * @return string HTML content.
 */
function wp_get_attachment_link( $id = 0, $size = 'thumbnail', $permalink = false, $icon = false, $text = false, $attr = '' ) {
	$id = intval( $id );
	$_post = get_post( $id );

	if ( empty( $_post ) || ( 'attachment' != $_post->post_type ) || ! $url = wp_get_attachment_url( $_post->ID ) )
		return __( 'Missing Attachment' );

	if ( $permalink )
		$url = get_attachment_link( $_post->ID );

	if ( $text ) {
		$link_text = $text;
	} elseif ( $size && 'none' != $size ) {
		$link_text = wp_get_attachment_image( $id, $size, $icon, $attr );
	} else {
		$link_text = '';
	}

	if ( trim( $link_text ) == '' )
		$link_text = $_post->post_title;

	/**
	 * Filter a retrieved attachment page link.
	 *
	 * @since 2.7.0
	 *
	 * @param string      $link_html The page link HTML output.
	 * @param int         $id        Post ID.
	 * @param string      $size      Image size. Default 'thumbnail'.
	 * @param bool        $permalink Whether to add permalink to image. Default false.
	 * @param bool        $icon      Whether to include an icon. Default false.
	 * @param string|bool $text      If string, will be link text. Default false.
	 */
	return apply_filters( 'wp_get_attachment_link', "$link_text", $id, $size, $permalink, $icon, $text );
}

笔记（Notes）

将附件链接到帖子