*
* @return string
*/
public function toJson()
{
return $this->serialize();
}
/**
* Specify data which should be serialized to JSON.
*
* @see https://php.net/manual/en/jsonserializable.jsonserialize.php
*
* @return mixed data which can be serialized by json_encode,
* which is a value of any type other than a resource
*
* @since 5.4.0
*/
public function jsonSerialize()
{
if (method_exists($this, 'toArray')) {
return $this->toArray();
}
return [];
}
/**
* String representation of object.
*
* @see https://php.net/manual/en/serializable.serialize.php
*
* @return string the string representation of the object or null
*
* @since 5.1.0
*/
public function serialize()
{
if (method_exists($this, 'toArray')) {
return json_encode($this->toArray());
}
return json_encode([]);
}
/**
* Constructs the object.
*
* @see https://php.net/manual/en/serializable.unserialize.php
*
* @param string $serialized
* The string representation of the object.
*
*
* @since 5.1.0
*/
public function unserialize($serialized)
{
$data = json_decode($serialized, true);
if (JSON_ERROR_NONE !== json_last_error()) {
throw new RuntimeException('Invalid Json Format');
}
foreach ($data as $key => $item) {
if (method_exists($this, 'set')) {
$this->set($key, $item);
}
}
}
}