/**
* Formats $data to an array.
* $data could be:
* - JSON string
* - object
* - array
* - null
* - IArrayCastable
*
* @param mixed $data
* @return array
* @throws \InvalidArgumentException
*/
public function cast($data)
{
switch (true) {
case is_null($data):
return array();
case is_array($data):
return $data;
case $data instanceof IArrayCastable:
return $data->toArray();
case is_object($data):
return (array) $data;
case is_string($data):
return Json::createFromString($data)->toArray();
default:
throw new \InvalidArgumentException(sprintf('$data must be a JSON, an array or an array castable object: %s given.', gettype($data)));
}
}
/**
* {@inheritDoc}
*
* @return Json
*/
public function toJson($options = JSON_PRETTY_PRINT)
{
$result = new Json($this);
$result->setOptions($options);
return $result;
}