|
public static checkCallable ( callable $callable, string $type, string $info, |
||
| $callable | callable | |
| $type | string | a type description of the callable eg: State::CALLABLE_ENTRY |
| $info | string | extra info for exception message purposes |
| $context | optional: the context the callable is called in | |
| Результат | boolean | |
public static function checkCallable($callable, $type, $info, $context = null)
{
if ($callable !== null && !is_callable($callable)) {
throw new Exception(sprintf("not a valid '%s' callable for '%s'. %s", $type, $info, $context), Exception::CALLABLE_FAILURE);
}
return true;
} /**
* calls the $callable as part of the transition
* @param callable $callable
* @param Context $context
* @throws Exception in case of an invalid callable
*/
protected function callCallable($callable, Context $context, $type = 'n/a')
{
//in case it is a guard callable we need to return true/false
if ($callable != self::CALLABLE_NULL) {
Utils::checkCallable($callable, $type, "transition: " . $this, $context);
return (bool) call_user_func($callable, $context->getEntity());
}
return true;
}
