WordPress Version: 6.1
/**
* i18n-friendly version of basename().
*
* @since 3.1.0
*
* @param string $path A path.
* @param string $suffix If the filename ends in suffix this will also be cut off.
* @return string
*/
function wp_basename($path, $suffix = '')
{
return urldecode(basename(str_replace(array('%2F', '%5C'), '/', urlencode($path)), $suffix));
}