/**
* xapp option shortcut xapp_set_option single option setter sets option from first parameter to third parameter as
* part of the xapp option functionality. the third parameter can be:
* 1) array = setting $key to $mixed
* 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
*
* use the third parameter to reset the array before setting option. this will only have affect on class options
* managed by xapp option handling
*
* @param null|string $key expects the option key name
* @param null|mixed $value expects the option key value
* @param null|object|string $mixed expects value according to explanation above
* @param boolean $reset whether to reset before setting or not
* @return null|mixed the just set option value
*/
function xapp_set_option($key = null, $value = null, &$mixed = null, $reset = false)
{
if ($key !== null) {
if (is_array($mixed)) {
return $mixed[$key] = $value;
} else {
if (xapped()) {
return Xapp::setOption($key, $value, $mixed, $reset);
} else {
if (is_object($mixed) && xapp_can_options($mixed)) {
return $mixed->options[$key] = $value;
} else {
if (is_string($mixed) && xapp_can_options($mixed)) {
return $mixed::$options[$key] = $value;
}
}
}
}
}
return null;
}
