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<?php
namespace Doctrine\DBAL\Driver\SQLSrv;
use Doctrine\DBAL\Driver\Exception;
use Doctrine\DBAL\Driver\Result as ResultInterface;
use Doctrine\DBAL\Driver\SQLSrv\Exception\Error;
use Doctrine\DBAL\Driver\Statement as StatementInterface;
use Doctrine\DBAL\ParameterType;
use Doctrine\Deprecations\Deprecation;
use function assert;
use function func_num_args;
use function is_int;
use function sqlsrv_execute;
use function SQLSRV_PHPTYPE_STREAM;
use function SQLSRV_PHPTYPE_STRING;
use function sqlsrv_prepare;
use function SQLSRV_SQLTYPE_VARBINARY;
use function stripos;
use const SQLSRV_ENC_BINARY;
use const SQLSRV_ENC_CHAR;
use const SQLSRV_PARAM_IN;
final class Statement implements StatementInterface
{
/**
* The SQLSRV Resource.
*
* @var resource
*/
private $conn;
/**
* The SQL statement to execute.
*/
private string $sql;
/**
* The SQLSRV statement resource.
*
* @var resource|null
*/
private $stmt;
/**
* References to the variables bound as statement parameters.
*
* @var array<int, mixed>
*/
private array $variables = [];
/**
* Bound parameter types.
*
* @var array<int, int>
*/
private array $types = [];
/**
* Append to any INSERT query to retrieve the last insert id.
*/
private const LAST_INSERT_ID_SQL = ';SELECT SCOPE_IDENTITY() AS LastInsertId;';
/**
* @internal The statement can be only instantiated by its driver connection.
*
* @param resource $conn
* @param string $sql
*/
public function __construct($conn, $sql)
{
$this->conn = $conn;
$this->sql = $sql;
if (stripos($sql, 'INSERT INTO ') !== 0) {
return;
}
$this->sql .= self::LAST_INSERT_ID_SQL;
}
/**
* {@inheritdoc}
*/
public function bindValue($param, $value, $type = ParameterType::STRING): bool
{
assert(is_int($param));
if (func_num_args() < 3) {
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/5558',
'Not passing $type to Statement::bindValue() is deprecated.'
. ' Pass the type corresponding to the parameter being bound.',
);
}
$this->variables[$param] = $value;
$this->types[$param] = $type;
return true;
}
/**
* {@inheritdoc}
*
* @deprecated Use {@see bindValue()} instead.
*/
public function bindParam($param, &$variable, $type = ParameterType::STRING, $length = null): bool
{
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/5563',
'%s is deprecated. Use bindValue() instead.',
__METHOD__,
);
assert(is_int($param));
if (func_num_args() < 3) {
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/5558',
'Not passing $type to Statement::bindParam() is deprecated.'
. ' Pass the type corresponding to the parameter being bound.',
);
}
$this->variables[$param] =& $variable;
$this->types[$param] = $type;
// unset the statement resource if it exists as the new one will need to be bound to the new variable
$this->stmt = null;
return true;
}
/**
* {@inheritdoc}
*/
public function execute($params = null): ResultInterface
{
if ($params !== null) {
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/5556',
'Passing $params to Statement::execute() is deprecated. Bind parameters using'
. ' Statement::bindParam() or Statement::bindValue() instead.',
);
foreach ($params as $key => $val) {
if (is_int($key)) {
$this->bindValue($key + 1, $val, ParameterType::STRING);
} else {
$this->bindValue($key, $val, ParameterType::STRING);
}
}
}
$this->stmt ??= $this->prepare();
if (! sqlsrv_execute($this->stmt)) {
throw Error::new();
}
return new Result($this->stmt);
}
/**
* Prepares SQL Server statement resource
*
* @return resource
*
* @throws Exception
*/
private function prepare()
{
$params = [];
foreach ($this->variables as $column => &$variable) {
switch ($this->types[$column]) {
case ParameterType::LARGE_OBJECT:
$params[$column - 1] = [
&$variable,
SQLSRV_PARAM_IN,
SQLSRV_PHPTYPE_STREAM(SQLSRV_ENC_BINARY),
SQLSRV_SQLTYPE_VARBINARY('max'),
];
break;
case ParameterType::BINARY:
$params[$column - 1] = [
&$variable,
SQLSRV_PARAM_IN,
SQLSRV_PHPTYPE_STRING(SQLSRV_ENC_BINARY),
];
break;
case ParameterType::ASCII:
$params[$column - 1] = [
&$variable,
SQLSRV_PARAM_IN,
SQLSRV_PHPTYPE_STRING(SQLSRV_ENC_CHAR),
];
break;
default:
$params[$column - 1] =& $variable;
break;
}
}
$stmt = sqlsrv_prepare($this->conn, $this->sql, $params);
if ($stmt === false) {
throw Error::new();
}
return $stmt;
}
}
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