Pinq\Expressions\Evaluator::getVariableTable PHP Метод

    protected function getVariableTable(array $customVariableTable = null)
    {
        //Loose equality: order is irrelevant
        if ($customVariableTable !== null && count(array_diff(array_keys($customVariableTable), $this->requiredVariables)) > 0) {
            throw new PinqException('Cannot evaluate expression: supplied variable table is invalid, variable names do not match the required variable names');
        }
        $contextVariableTable = $this->context->getVariableTable() ?: [];
        $customVariableTable = $customVariableTable ?: [];
        return $customVariableTable + $contextVariableTable;
    }