yii\mongodb\ActiveRecord::equals PHP Method

equals() public method

The comparison is made by comparing the collection names and the primary key values of the two active records. If one of the records [[isNewRecord|is new]] they are also considered not equal.
public equals ( ActiveRecord $record ) : boolean
$record ActiveRecord record to compare to
return boolean whether the two active records refer to the same row in the same Mongo collection.
    public function equals($record)
    {
        if ($this->isNewRecord || $record->isNewRecord) {
            return false;
        }
        return $this->collectionName() === $record->collectionName() && (string) $this->getPrimaryKey() === (string) $record->getPrimaryKey();
    }