/**
* xapp option shortcut xapp_unset_option will unset first parameter option $key from second parameter which can be:
* 1) array = unset key from array
* 2) object = object instance implementing xapp option handling or not
* 3) string = object class name as string to handle static classes/options
* 4) null = null when called inside class for xapp option handling for auto caller determination
*
* @param null|string $key expects the options key name to unset
* @param null|object|string|array $mixed expects value according to explanation above
* @return void
*/
function xapp_unset_option($key = null, &$mixed = null)
{
if ($key !== null) {
if (is_array($mixed)) {
if (xapp_has_option($key, $mixed)) {
unset($mixed[$key]);
}
} else {
if (xapped()) {
if (xapp_has_option($key, $mixed)) {
Xapp::unsetOption($key, $mixed);
}
} else {
if (is_object($mixed) && xapp_can_options($mixed)) {
if (xapp_has_option($key, $mixed)) {
unset($mixed->options[$key]);
}
} else {
if (is_string($mixed) && xapp_can_options($mixed)) {
if (xapp_has_option($key, $mixed)) {
unset($mixed::$options[$key]);
}
}
}
}
}
}
}
