/**
* Register error display function.
* @param string | array handler callable with call_user_func
* @return bool
*/
static function set_error_display($handler)
{
if (!is_callable($handler)) {
trigger_error('Error display handler is not callable (' . var_export($handler, 1) . ')', E_USER_WARNING);
return false;
}
PLUGError::$displayfunc = $handler;
return true;
}
