yiisoft/yii2 · error · yii\base\InvalidArgumentException

Operator '$operator' requires three operands.

Error message

Operator '$operator' requires three operands.

What it means

Error "Operator '$operator' requires three operands." thrown in yiisoft/yii2.

Source

Thrown at framework/db/conditions/BetweenColumnsCondition.php:118

        return $this->intervalStartColumn;
    }

    /**
     * @return string|ExpressionInterface|Query
     */
    public function getIntervalEndColumn()
    {
        return $this->intervalEndColumn;
    }

    /**
     * {@inheritdoc}
     * @throws InvalidArgumentException if wrong number of operands have been given.
     */
    public static function fromArrayDefinition($operator, $operands)
    {
        if (!isset($operands[0], $operands[1], $operands[2])) {
            throw new InvalidArgumentException("Operator '$operator' requires three operands.");
        }

        return new static($operands[0], $operator, $operands[1], $operands[2]);
    }
}

View on GitHub (pinned to 66f00d18a2)

When it happens

Trigger: Thrown at framework/db/conditions/BetweenColumnsCondition.php:118 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of yiisoft/yii2@66f00d18a2 (2026-08-17). Data as JSON: /api/errors/700625b51e15dc7c. Report an issue: GitHub.