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<?php
namespace Doctrine\DBAL;
use Doctrine\DBAL\Platforms\AbstractPlatform;
use Doctrine\DBAL\Types\Type;
use Doctrine\Deprecations\Deprecation;
use function func_num_args;
use function is_string;
/**
* A database abstraction-level statement that implements support for logging, DBAL mapping types, etc.
*/
class Statement
{
/**
* The SQL statement.
*
* @var string
*/
protected $sql;
/**
* The bound parameters.
*
* @var mixed[]
*/
protected $params = [];
/**
* The parameter types.
*
* @var int[]|string[]
*/
protected $types = [];
/**
* The underlying driver statement.
*
* @var Driver\Statement
*/
protected $stmt;
/**
* The underlying database platform.
*
* @var AbstractPlatform
*/
protected $platform;
/**
* The connection this statement is bound to and executed on.
*
* @var Connection
*/
protected $conn;
/**
* Creates a new <tt>Statement</tt> for the given SQL and <tt>Connection</tt>.
*
* @internal The statement can be only instantiated by {@see Connection}.
*
* @param Connection $conn The connection for handling statement errors.
* @param Driver\Statement $statement The underlying driver-level statement.
* @param string $sql The SQL of the statement.
*
* @throws Exception
*/
public function __construct(Connection $conn, Driver\Statement $statement, string $sql)
{
$this->conn = $conn;
$this->stmt = $statement;
$this->sql = $sql;
$this->platform = $conn->getDatabasePlatform();
}
/**
* Binds a parameter value to the statement.
*
* The value can optionally be bound with a DBAL mapping type.
* If bound with a DBAL mapping type, the binding type is derived from the mapping
* type and the value undergoes the conversion routines of the mapping type before
* being bound.
*
* @param string|int $param The name or position of the parameter.
* @param mixed $value The value of the parameter.
* @param mixed $type Either a PDO binding type or a DBAL mapping type name or instance.
*
* @return bool TRUE on success, FALSE on failure.
*
* @throws Exception
*/
public function bindValue($param, $value, $type = ParameterType::STRING)
{
$this->params[$param] = $value;
$this->types[$param] = $type;
$bindingType = ParameterType::STRING;
if ($type !== null) {
if (is_string($type)) {
$type = Type::getType($type);
}
$bindingType = $type;
if ($type instanceof Type) {
$value = $type->convertToDatabaseValue($value, $this->platform);
$bindingType = $type->getBindingType();
}
}
try {
return $this->stmt->bindValue($param, $value, $bindingType);
} catch (Driver\Exception $e) {
throw $this->conn->convertException($e);
}
}
/**
* Binds a parameter to a value by reference.
*
* Binding a parameter by reference does not support DBAL mapping types.
*
* @deprecated Use {@see bindValue()} instead.
*
* @param string|int $param The name or position of the parameter.
* @param mixed $variable The reference to the variable to bind.
* @param int $type The binding type.
* @param int|null $length Must be specified when using an OUT bind
* so that PHP allocates enough memory to hold the returned value.
*
* @return bool TRUE on success, FALSE on failure.
*
* @throws Exception
*/
public function bindParam($param, &$variable, $type = ParameterType::STRING, $length = null)
{
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/5563',
'%s is deprecated. Use bindValue() instead.',
__METHOD__,
);
$this->params[$param] = $variable;
$this->types[$param] = $type;
try {
if (func_num_args() > 3) {
return $this->stmt->bindParam($param, $variable, $type, $length);
}
return $this->stmt->bindParam($param, $variable, $type);
} catch (Driver\Exception $e) {
throw $this->conn->convertException($e);
}
}
/**
* Executes the statement with the currently bound parameters.
*
* @deprecated Statement::execute() is deprecated, use Statement::executeQuery() or executeStatement() instead
*
* @param mixed[]|null $params
*
* @throws Exception
*/
public function execute($params = null): Result
{
Deprecation::triggerIfCalledFromOutside(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/4580',
'%s() is deprecated, use Statement::executeQuery() or Statement::executeStatement() instead',
__METHOD__,
);
if ($params !== null) {
$this->params = $params;
}
$logger = $this->conn->getConfiguration()->getSQLLogger();
if ($logger !== null) {
$logger->startQuery($this->sql, $this->params, $this->types);
}
try {
return new Result(
$this->stmt->execute($params),
$this->conn,
);
} catch (Driver\Exception $ex) {
throw $this->conn->convertExceptionDuringQuery($ex, $this->sql, $this->params, $this->types);
} finally {
if ($logger !== null) {
$logger->stopQuery();
}
}
}
/**
* Executes the statement with the currently bound parameters and return result.
*
* @param mixed[] $params
*
* @throws Exception
*/
public function executeQuery(array $params = []): Result
{
if (func_num_args() > 0) {
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/5556',
'Passing $params to Statement::executeQuery() is deprecated. Bind parameters using'
. ' Statement::bindParam() or Statement::bindValue() instead.',
);
}
if ($params === []) {
$params = null; // Workaround as long execute() exists and used internally.
}
return $this->execute($params);
}
/**
* Executes the statement with the currently bound parameters and return affected rows.
*
* @param mixed[] $params
*
* @throws Exception
*/
public function executeStatement(array $params = []): int
{
if (func_num_args() > 0) {
Deprecation::trigger(
'doctrine/dbal',
'https://github.com/doctrine/dbal/pull/5556',
'Passing $params to Statement::executeStatement() is deprecated. Bind parameters using'
. ' Statement::bindParam() or Statement::bindValue() instead.',
);
}
if ($params === []) {
$params = null; // Workaround as long execute() exists and used internally.
}
return $this->execute($params)->rowCount();
}
/**
* Gets the wrapped driver statement.
*
* @return Driver\Statement
*/
public function getWrappedStatement()
{
return $this->stmt;
}
}
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