/**
* Test if a class implements an interface
* @param $class_name
* @param $interface_name
* @return bool
*/
public static function classImplements($class_name, $interface_name)
{
if (empty($interface_name) || !interface_exists($interface_name)) {
return false;
}
return CodeHelper::implementsInterface($class_name, $interface_name);
}
/**
* Construct a service based on its `constructor` item and references it
*
* @param string $name
* @param array $arguments
* @return void
* @throws ErrorException
*/
protected function _constructService($name, array $arguments = array())
{
if ($this->hasProvider($name)) {
$data = $this->getProvider($name);
if (is_object($data) && CodeHelper::implementsInterface($data, 'ServiceContainer\\ServiceProviderInterface')) {
$data->boot($this);
$this->setService($name, $data);
} elseif (is_callable($data) || $data instanceof \Closure) {
try {
$item = call_user_func_array($data, array($this, $name, $arguments));
$this->setService($name, $item);
} catch (\Exception $e) {
throw new ErrorException(sprintf('An error occurred while trying to create a "%s" service!', $name), 0, 1, __FILE__, __LINE__, $e);
}
} elseif (is_array($data)) {
$this->setService($name, $data[1], isset($data[2]) ? $data[2] : false);
} else {
throw new ErrorException(sprintf('A "%s" service constructor must be a valid callback!', $name));
}
}
}
