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<?php

namespace Doctrine\DBAL\Driver\PDO\SQLSrv;

use Doctrine\DBAL\Driver\PDO\Statement as PDOStatement;
use Doctrine\DBAL\Driver\Result;
use Doctrine\DBAL\Driver\Statement as StatementInterface;
use Doctrine\DBAL\ParameterType;
use Doctrine\Deprecations\Deprecation;
use PDO;

use function func_num_args;

final class Statement implements StatementInterface
{
    /** @var PDOStatement */
    private $statement;

/**
     * @internal The statement can be only instantiated by its driver connection.
     */
    public function __construct(PDOStatement $statement)
    {
        $this->statement = $statement;
    }

/**
     * {@inheritdoc}
     *
     * @param string|int $param
     * @param mixed      $variable
     * @param int        $type
     * @param int|null   $length
     * @param mixed      $driverOptions The usage of the argument is deprecated.
     */
    public function bindParam(
        $param,
        &$variable,
        $type = ParameterType::STRING,
        $length = null,
        $driverOptions = null
    ): bool {
        if (func_num_args() > 4) {
            Deprecation::triggerIfCalledFromOutside(
                'doctrine/dbal',
                'https://github.com/doctrine/dbal/issues/4533',
                'The $driverOptions argument of Statement::bindParam() is deprecated.'
            );
        }

switch ($type) {
            case ParameterType::LARGE_OBJECT:
            case ParameterType::BINARY:
                if ($driverOptions === null) {
                    $driverOptions = PDO::SQLSRV_ENCODING_BINARY;
                }

break;

case ParameterType::ASCII:
                $type          = ParameterType::STRING;
                $length        = 0;
                $driverOptions = PDO::SQLSRV_ENCODING_SYSTEM;
                break;
        }

return $this->statement->bindParam($param, $variable, $type, $length ?? 0, $driverOptions);
    }

/**
     * {@inheritdoc}
     */
    public function bindValue($param, $value, $type = ParameterType::STRING): bool
    {
        return $this->bindParam($param, $value, $type);
    }

/**
     * {@inheritdoc}
     */
    public function execute($params = null): Result
    {
        return $this->statement->execute($params);
    }
}