image_add_caption()

参数

$html

(string)
(Required)
The image HTML markup to send.

$id

(integer)
(Required)
Image attachment ID.

$caption

(string)
(Required)
Image caption.

$title

(string)
(Required)
Image title attribute (not used).

$align

(string)
(Required)
Image CSS alignment property.

$url

(string)
(Required)
Image source URL (not used).

$size

(string)
(Required)
Image size (thumbnail, medium, large, full, or added with add_image_size()) (not used).

$alt

(string)
(Optional)
Image alt attribute (not used).

Default value: ''