WordPress Version: 5.4
/**
* Returns an array of HTML attribute names whose value contains a URL.
*
* This function returns a list of all HTML attributes that must contain
* a URL according to the HTML specification.
*
* This list includes URI attributes both allowed and disallowed by KSES.
*
* @link https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes
*
* @since 5.0.1
*
* @return string[] HTML attribute names whose value contains a URL.
*/
function wp_kses_uri_attributes()
{
$uri_attributes = array('action', 'archive', 'background', 'cite', 'classid', 'codebase', 'data', 'formaction', 'href', 'icon', 'longdesc', 'manifest', 'poster', 'profile', 'src', 'usemap', 'xmlns');
/**
* Filters the list of attributes that are required to contain a URL.
*
* Use this filter to add any `data-` attributes that are required to be
* validated as a URL.
*
* @since 5.0.1
*
* @param string[] $uri_attributes HTML attribute names whose value contains a URL.
*/
$uri_attributes = apply_filters('wp_kses_uri_attributes', $uri_attributes);
return $uri_attributes;
}