/**
* Call function.
*
* ```php
* $this->callFunction('\foo\Snippet');
* $this->callFunction('\foo\FooController.get');
* $this->callFunction(function{}());
* $this->callFunction([Foo::className(), 'get']);
* $this->callFunction([new Foo(), 'get']);
* ```
*
* @param mixed $function may be a callable, snippet, and instance.
* @param array $params
* @return mixed
*/
protected function callFunction($function, array $params = [])
{
if (is_string($function)) {
$function = trim($function);
if (strpos($function, '.') !== false) {
$function = explode('.', $function);
} else {
return $this->template->getSnippet($function, $params);
}
}
if (is_array($function)) {
if ($function[0] === 'context') {
$function[0] = $this->template->getContext();
return call_user_func_array($function, $params);
} elseif (is_string($function[0])) {
if (class_exists('\\rock\\di\\Container') && Container::exists($function[0])) {
$function[0] = Container::load($function[0]);
}
return call_user_func_array($function, $params);
}
}
return call_user_func_array($function, $params);
}
