This shortcode provides a simple mechanism to display the content of a WordPress custom field in a post or page.
This shortcode does NOT supports conditional branching with [ELSE_wpcf].
Shortcode nesting is NOT supported.
|post_id||The page/post ID of the page or post from which the custom field is to be retrieved.
Default: current page/post.
|field||The name of the custom field to be used.
[i4w_wpcf post_id='1234' field='wp_custom_field']
There is no API function equivalent for this shortcode.