/**
* Serializes a pagination into an array.
* @param Pagination $pagination
* @return array the array representation of the pagination
* @see addPaginationHeaders()
*/
protected function serializePagination($pagination)
{
return [$this->linksEnvelope => Link::serialize($pagination->getLinks(true)), $this->metaEnvelope => ['totalCount' => $pagination->totalCount, 'pageCount' => $pagination->getPageCount(), 'currentPage' => $pagination->getPage() + 1, 'perPage' => $pagination->getPageSize()]];
}
/**
* 将模型转换为一个数组.
*
* This method will first identify which fields to be included in the resulting array by calling [[resolveFields()]].
* It will then turn the model into an array with these fields. If `$recursive` is true,
* any embedded objects will also be converted into arrays.
*
* If the model implements the [[Linkable]] interface, the resulting array will also have a `_link` element
* which refers to a list of links as specified by the interface.
*
* @param array $fields the fields being requested. If empty, all fields as specified by [[fields()]] will be returned.
* @param array $expand the additional fields being requested for exporting. Only fields declared in [[extraFields()]]
* will be considered.
* @param boolean $recursive whether to recursively return array representation of embedded objects.
* @return array the array representation of the object
*/
public function toArray(array $fields = [], array $expand = [], $recursive = true)
{
$data = [];
foreach ($this->resolveFields($fields, $expand) as $field => $definition) {
$data[$field] = is_string($definition) ? $this->{$definition} : call_user_func($definition, $this, $field);
}
if ($this instanceof Linkable) {
$data['_links'] = Link::serialize($this->getLinks());
}
return $recursive ? ArrayHelper::toArray($data) : $data;
}