Extension FK COLUMN NAME cause error in case of column name without underscore

[SOHELAHMED7]

        user3:
          allOf:
            - $ref: '#/components/schemas/User'
            - x-fk-column-name: user3

Error:

user3 relation:

    public function getUser3()
    {
        return $this->hasOne(\app\models\User::class, ['id' => 'user3']);
    }

Note: Above error is not occurring for column name containing underscore. Example:

        redelivery_of:
          allOf:
            - $ref: '#/components/schemas/Delivery'
            - x-fk-column-name: redelivery_of 

column name is redelivery_of and relation is redeliveryOf/getRedeliveryOf()

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• also variablize target relation