Performs 'findAndModify' query and returns a single row of result.
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public modify ( array $update, array $options = [], |
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| $update | array | update criteria |
| $options | array | list of options in format: optionName => optionValue. |
| $db | the Mongo connection used to execute the query. | |
| Результат | array | null | the original document, or the modified document when $options['new'] is set. |
/**
* Performs 'findAndModify' query and returns a single row of result.
* Warning: in case 'new' option is set to 'false' (which is by default) usage of this method may lead
* to unexpected behavior at some Active Record features, because object will be populated by outdated data.
* @param array $update update criteria
* @param array $options list of options in format: optionName => optionValue.
* @param Connection $db the Mongo connection used to execute the query.
* @return ActiveRecord|array|null the original document, or the modified document when $options['new'] is set.
* Depending on the setting of [[asArray]], the query result may be either an array or an ActiveRecord object.
* Null will be returned if the query results in nothing.
*/
public function modify($update, $options = [], $db = null)
{
$row = parent::modify($update, $options, $db);
if ($row !== null) {
$models = $this->populate([$row]);
return reset($models) ?: null;
} else {
return null;
}
}