WordPress Version: 5.8
/**
* Gets the previous image link that has the same post parent.
*
* @since 5.8.0
*
* @see get_adjacent_image_link()
*
* @param string|int[] $size Optional. Image size. Accepts any registered image size name, or an array
* of width and height values in pixels (in that order). Default 'thumbnail'.
* @param string|false $text Optional. Link text. Default false.
* @return string Markup for previous image link.
*/
function get_previous_image_link($size = 'thumbnail', $text = false)
{
return get_adjacent_image_link(true, $size, $text);
}