image_hwstring()

描述

Both attributes are required in the sense that both parameters must have a value, but are optional in that if you set them to false or null, then they will not be added to the returned string.

You can set the value using a string, but it will>

参数

$width

(int|string)
(Required)
Image width in pixels.

$height

(int|string)
(Required)
Image height in pixels.